CN113602053A - Control method and control system of active seat belt based on air suspension - Google Patents

Abstract

Translated fromChinese

本申请实施例公开了一种基于空气悬架的主动安全带的控制方法和控制系统，涉及车辆控制的技术领域，包括以下步骤：根据车辆的不同工况同步控制车辆的主动安全带松紧、各个车轮的空气悬架升降，其中，所有的空气悬架的升降均独立控制；也公开了一种基于空气悬架的主动安全带的控制系统，包括控制器、主动安全带、多个空气悬架，所述控制器用于执行实现如上述的基于空气悬架的主动安全带的控制方法的步骤。本申请实施例充分发挥空气悬架的作用，在控制主动安全带松紧同时还独立控制各个空气悬架的升降，即主动安全带与空气悬架协同配合，提升乘员在驾驶过程中的行驶稳定性和安全性，能够给乘员带来更佳的使用体验。

The embodiments of the present application disclose a control method and control system for an active seat belt based on an air suspension, which relate to the technical field of vehicle control, and include the following steps: synchronously controlling the active seat belt tension of the vehicle according to different working conditions of the vehicle, each The lifting and lowering of the air suspension of the wheel, wherein the lifting and lowering of all the air suspensions are independently controlled; an active seat belt control system based on the air suspension is also disclosed, including a controller, an active seat belt, a plurality of air suspensions , the controller is configured to execute the steps of implementing the above-mentioned control method of the active seat belt based on the air suspension. The embodiments of the present application give full play to the role of the air suspension, and independently control the lifting and lowering of each air suspension while controlling the tension of the active seat belt, that is, the active seat belt and the air suspension cooperate to improve the driving stability of the occupants during driving. And safety, can bring a better user experience to the occupants.

Description

Control method and control system of active safety belt based on air suspension

Technical Field

The application relates to the technical field of vehicle control, in particular to a control method and a control system of an active safety belt based on an air suspension.

Background

Under the specific working condition of the automobile, if the automobile has the situations of sudden braking, emergency steering and the like, the passengers of the automobile can easily slide away from the original comfortable position in the seat, so that the passengers can feel uncomfortable and even the passengers can collide dangerously.

In order to ensure the safety of the passenger in the seat, an air bag and a safety belt are used in the market, however, the air bag is generally inflated after the vehicle is collided, the response time is limited, and the hysteresis of the scheme is easy to cause secondary injury to the passenger.

A related art discloses a control device for a vehicle and a car seat belt, the control device including: the communication module is used for receiving first running information of target vehicles around the vehicle and receiving first collision early warning information between the target vehicles around the road side equipment, wherein the first collision early warning information is sent by the road side equipment; and the control module is connected with the communication module and used for generating second collision early warning information between the target vehicles around the vehicle according to the first running information, generating third collision early warning information between the vehicle and the target vehicles around the vehicle according to the first running information and the second running information of the vehicle, and determining whether to start the safety belt for protection according to the first collision early warning information, the second collision early warning information and the third collision early warning information. Therefore, vehicle collision early warning is carried out according to the first collision early warning information, the second collision early warning information and the third collision early warning information, and the safety belt is started to protect before danger is possible.

Therefore, in the related art, there is also an early warning control logic scheme using an active safety belt, and most of the output signals are signals for individually controlling the actions of the safety belt, and the passengers cannot be effectively protected.

Disclosure of Invention

The embodiment of the application provides a control method and a control system of an active safety belt based on an air suspension, so as to solve the problem of safety of passengers caused by independent control of the active safety belt in the related art.

The embodiment of the application provides a control method of an active safety belt based on an air suspension, which comprises the following steps:

the tightness of an active safety belt of the vehicle and the lifting of the air suspension of each wheel are synchronously controlled according to different working conditions of the vehicle, wherein the lifting of all the air suspensions is independently controlled.

In some embodiments, the operating conditions include a vehicle body motion state, and the synchronously controlling the active belt tightness of the vehicle and the air suspension lifting of each wheel according to the vehicle operating conditions specifically includes:

and if the working condition is in a vehicle body motion state, controlling the air suspension of at least one rear wheel to descend and controlling the safety belt to loosen.

In some embodiments, the vehicle body motion state includes a high-speed overbending state, and the synchronously controlling active belt tightness of the vehicle and air suspension lifting of each wheel according to the vehicle working condition specifically includes:

and if the working condition is in a high-speed over-bending state, controlling the air suspension of the outer side wheel to rise, controlling the air suspension of the inner side wheel to fall and controlling the active safety belt to loosen.

In some embodiments, the vehicle body motion state includes a downhill driving state, and the synchronously controlling the tightness of an active safety belt of the vehicle and the lifting of the air suspension of each wheel according to the vehicle operating condition specifically includes:

and if the working condition is in a downhill driving state, controlling the air suspension of the front-end wheel to rise, controlling the air suspension of the rear-end wheel to fall, and controlling the active safety belt to loosen.

In some embodiments, the operating condition includes a collision tendency state, and the synchronously controlling the active belt tightness of the vehicle and the air suspension lifting of each wheel according to the operating condition of the vehicle specifically includes:

if the working condition is in a collision trend state, controlling the air suspension of at least one rear wheel to rise, and controlling the active safety belt to tighten; or

And if the working condition is in a collision trend state, controlling the air suspension of all rear wheels to fall, and controlling the active safety belt to tighten.

In some embodiments, the collision trend state includes a front collision trend state, and the synchronously controlling the tightness of the active safety belt of the vehicle and the lifting and lowering of the air suspension of each wheel according to the vehicle working condition specifically includes:

and if the working condition is in a front collision trend state, controlling the air suspension of the front-end wheel to rise, controlling the air suspension of the rear-end wheel to fall, and controlling the active safety belt to loosen.

In some embodiments, the collision trend state includes a lateral collision trend state, and the synchronously controlling the tightness of the active safety belt of the vehicle and the lifting and lowering of the air suspension of each wheel according to the vehicle working condition specifically includes:

and if the working condition is in a side collision trend state, controlling the air suspension of the wheel close to the collision side to ascend, controlling the air suspension of the wheel far away from the collision side to descend, and controlling the active safety belt to tighten.

In some embodiments, the collision trend state includes a rear collision trend state, and the synchronously controlling the tightness of the active safety belt of the vehicle and the lifting and lowering of the air suspension of each wheel according to the vehicle working condition specifically includes:

and if the working condition is a rear collision trend state, controlling the air suspension of the front-end wheel to fall, controlling the air suspension of the rear-end wheel to rise, and controlling the active safety belt to tighten.

In some embodiments, further comprising the step of:

presetting priorities of different working conditions;

and synchronously controlling the tightness of an active safety belt of the vehicle and the lifting of an air suspension of each wheel according to each working condition of the vehicle and the working condition with the highest priority.

In a second aspect, a control system of an active safety belt based on an air suspension is further provided, which comprises a controller, the active safety belt and a plurality of air suspensions, wherein the controller is used for executing the steps of implementing the control method of the active safety belt based on the air suspension.

In a third aspect, a vehicle is also provided, on which an active seat belt control system based on an air suspension as described above is mounted.

The beneficial effect that technical scheme that this application provided brought includes: the action of the air suspension is coordinated to optimize the comfort experience and safety of the active harness to the occupant.

Compared with the conventional mode of directly controlling the active safety belt according to the working condition of the vehicle, the active safety belt control method based on the air suspension also considers a plurality of working conditions in the real driving process, and after the current working condition of the vehicle is determined, the tightness of the active safety belt of the vehicle and the lifting of the air suspension of each wheel are synchronously controlled according to the determined working condition; the effect of full play air suspension, each air suspension's of independent control lift is still simultaneously in control initiative safety belt elasticity, and initiative safety belt cooperates with air suspension promptly, promotes passenger's stability and security of traveling at the driving in-process, can bring better use for the passenger and experience.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a block flow diagram of a control method of an active seat belt based on an air suspension according to an embodiment of the present application;

fig. 2 is a block diagram of a control system of an active seat belt based on an air suspension according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a control method of initiative safety belt based on air suspension, and the effect of full play air suspension still independently controls the lift of each air suspension simultaneously in control initiative safety belt elasticity, and initiative safety belt and air suspension cooperate promptly, promote passenger's stability and security of traveling in the driving process, can bring better use experience for the passenger.

As shown in fig. 1, an embodiment of the present application provides a method for controlling an active seat belt based on an air suspension, including the following steps:

s1: the tightness of an active safety belt of the vehicle and the lifting of the air suspension of each wheel are synchronously controlled according to different working conditions of the vehicle, wherein the lifting of all the air suspensions is independently controlled.

Compared with the conventional form of directly controlling the active safety belt according to the working condition of the vehicle, the active safety belt control method and the active safety belt control system further consider a plurality of working conditions in the real driving process, and after the current working condition of the vehicle is determined, the tightness of the active safety belt of the vehicle and the lifting of the air suspension of each wheel are synchronously controlled according to the determined working condition.

The effect of full play air suspension, when control initiative safety belt elasticity, the lift of each air suspension of independent control still, initiative safety belt and air suspension cooperate promptly, can enough use initiative safety belt to restrict the passenger and remove by original comfortable position, also can keep vehicle balance nature through the lift of each air suspension to promote passenger's stability and security of traveling in driving process, can bring better use experience for the passenger.

Specifically, the working conditions comprise a vehicle body motion state and a collision tendency state; the vehicle body motion states comprise a high-speed overbending state and a downhill driving state, and the collision tendency states comprise a front collision tendency state, a side collision tendency state and a rear collision tendency state.

In the embodiment of the present application, the working conditions are obtained by calculating the sensing and surrounding environment acquisition related data in the Driving process of the vehicle by using various sensors (such as a laser radar, a millimeter wave radar, a camera, a satellite navigation system, and the like) installed on the vehicle by using an advanced Driving Assistance system adas (advanced Driving Assistance system), and the determination of the working conditions can be determined by using any one of the prior art, so that detailed description is omitted.

It is emphasized that according to our investigations and experiences, no prior art solution for active motor warning control of safety belts using air suspensions has been found, and air suspensions are often used for control regulation in driving balance, which can be regarded as a waste of resources to some extent. According to the embodiment of the application, extra hardware facilities are not needed, the capacity of protecting passengers by the active safety belt can be optimized by analyzing the lifting of the air suspension and the movement of the passengers in the vehicle moving process, the comfort of the passengers in the vehicle moving process can be improved, the design of the vehicle is better in quality, and the close relevance between the control block of the active safety belt and the vehicle moving state at present is perfected.

And the vehicles mentioned in the embodiment of the application are all four-wheel independent air suspension automobiles.

Preferably, the operating condition includes a vehicle body motion state, and the synchronous control of the tightness of the active safety belt of the vehicle and the lifting of the air suspension of each wheel according to the vehicle operating condition specifically includes:

and if the working condition is in a vehicle body motion state, controlling the air suspension of at least one rear wheel to descend and controlling the safety belt to loosen.

Further, the automobile body motion state includes the high-speed state of bending, the active safety belt elasticity of vehicle, the air suspension of each wheel lift specifically includes according to vehicle operating mode synchronous control:

and if the working condition is in a high-speed over-bending state, controlling the air suspension of the outer side wheel to rise, controlling the air suspension of the inner side wheel to fall and controlling the active safety belt to loosen.

Further, the vehicle body motion state includes a downhill driving state, and the synchronous control of the tightness of the active safety belt of the vehicle and the lifting of the air suspension of each wheel according to the vehicle working condition specifically includes:

and if the working condition is in a downhill driving state, controlling the air suspension of the front-end wheel to rise, controlling the air suspension of the rear-end wheel to fall, and controlling the active safety belt to loosen.

Preferably, the operating conditions include a collision tendency state, and the synchronously controlling the tightness of an active safety belt of the vehicle and the lifting of the air suspension of each wheel according to the operating conditions of the vehicle specifically includes:

if the working condition is in a collision trend state, controlling the air suspension of at least one rear wheel to rise, and controlling the active safety belt to tighten; or

And if the working condition is in a collision trend state, controlling the air suspension of all rear wheels to fall, and controlling the active safety belt to tighten.

Further, the collision trend state includes a front collision trend state, and the synchronous control of the tightness of the active safety belt of the vehicle and the lifting of the air suspension of each wheel according to the vehicle working condition specifically includes:

and if the working condition is in a front collision trend state, controlling the air suspension of the front-end wheel to rise, controlling the air suspension of the rear-end wheel to fall, and controlling the active safety belt to loosen.

Further, the collision trend state includes a lateral collision trend state, and the synchronous control of the tightness of the active safety belt of the vehicle and the lifting of the air suspension of each wheel according to the vehicle working condition specifically includes:

and if the working condition is in a side collision trend state, controlling the air suspension of the wheel close to the collision side to ascend, controlling the air suspension of the wheel far away from the collision side to descend, and controlling the active safety belt to tighten.

Further, the collision trend state includes a rear collision trend state, and the synchronous control of the tightness of the active safety belt of the vehicle and the lifting of the air suspension of each wheel according to the vehicle working condition specifically includes:

and if the working condition is a rear collision trend state, controlling the air suspension of the front-end wheel to fall, controlling the air suspension of the rear-end wheel to rise, and controlling the active safety belt to tighten.

In the embodiment of the present application, the method specifically includes the steps of:

determining the current working condition of the vehicle, wherein the working condition comprises a vehicle body motion state and a collision trend state;

if the working condition is in a vehicle body motion state, controlling the air suspension of at least one rear wheel to descend, and controlling the safety belt to be loose;

if the working condition is in a collision trend state, controlling the air suspension of at least one rear wheel to rise, and controlling the active safety belt to tighten; or if the working condition is in a collision trend state, controlling the air suspension of all rear wheels to fall, and controlling the active safety belt to tighten.

Further, if the operating condition is in a high speed overbending state, the air suspension of the outer wheel is controlled to rise, the air suspension of the inner wheel is controlled to fall, and the active safety belt is controlled to loosen.

And if the working condition is in a downhill driving state, controlling the air suspension of the front-end wheel to rise, controlling the air suspension of the rear-end wheel to fall, and controlling the active safety belt to loosen.

In a specific embodiment, when the working condition is a high-speed overbending state, the working condition has two conditions of turning right and turning left, but in any case, the active safety belt loosening is controlled. When the vehicle turns right, the air suspension of the left front wheel is controlled to ascend, the air suspension of the right front wheel is controlled to descend, the air suspension of the left rear wheel is controlled to ascend, and the air suspension of the right rear wheel is controlled to descend. When the vehicle turns to the right at a high speed, the turning center is on the right, the centripetal force is on the right, the centrifugal force is on the left, and the vehicle body tends to turn left. When the air suspensions of the left front wheel and the left rear wheel are controlled to be lifted upwards quickly, the air suspensions of the right front wheel and the right rear wheel are controlled to be descended downwards quickly, and therefore overturning can be avoided, and stability of the vehicle is kept.

When the vehicle turns left, the air suspension of the left front wheel is controlled to descend, the air suspension of the right front wheel is controlled to ascend, the air suspension of the left rear wheel is controlled to descend, and the air suspension of the right rear wheel is controlled to ascend.

And when the working condition is a downhill driving state, controlling the air suspension of the left front wheel to ascend, controlling the air suspension of the right front wheel to ascend, controlling the air suspension of the left rear wheel to descend, controlling the air suspension of the right rear wheel, and controlling the loosening of the active safety belt. This is because the vehicle body tends to roll forward as the vehicle travels down the incline. When the air suspensions of the left front wheel and the right front wheel are controlled to be lifted upwards quickly, the air suspensions of the left rear wheel and the right rear wheel are controlled to be descended downwards quickly, and therefore overturning can be avoided, and stability of the vehicle is kept.

In the actual process, the trend of forward rollover can also occur when the vehicle is braked vigorously, so that the air suspension of the left front wheel can be controlled to rise, the air suspension of the right front wheel can be controlled to rise, the air suspension of the left rear wheel can be controlled to fall, the air suspension of the right rear wheel can be controlled to fall, and the active safety belt can be controlled to be loosened, so that rollover can be avoided, and the stability of the vehicle can be kept.

And further, when the working condition is a front collision trend state, controlling the air suspension of the front-end wheel to rise, controlling the air suspension of the rear-end wheel to fall, and controlling the active safety belt to loosen. When the advanced driving assistance system ADAS monitors that the front area of the vehicle has a tendency to collide, the air suspensions of the left front wheel and the right front wheel need to be quickly lifted upwards, and the air suspensions of the left rear wheel and the right rear wheel need to be descended downwards, so that the front bumper of the vehicle can meet the collision of the front side in the largest area, and the stability of the vehicle is further kept.

And when the working condition is a side collision trend state, controlling the air suspension of the wheel close to the side of the collision to ascend, controlling the air suspension of the wheel far away from the side of the collision to descend, and sending a control command to the active safety belt to be 'active safety belt fastening'.

If left side collision is about to occur, the air suspensions on the left front wheel and the left rear wheel are both lifted upwards quickly, and the air suspensions on the right front wheel and the right rear wheel are both lowered downwards quickly, so that the vehicle threshold on the left side is in head-on contact with the left side collision, and the stability of the vehicle is further kept; meanwhile, the tensioning force of the active safety belt is enhanced, and the side inclination of the passenger is restrained. If a right-side collision is about to occur, the operation can be carried out according to the reverse control strategy.

And when the working condition is a rear collision trend state, controlling the air suspension of the front-end wheel to fall, controlling the air suspension of the rear-end wheel to rise, and controlling the active safety belt to tighten. When the advanced driving assistance system ADAS monitors that the rear area of the vehicle has a tendency to collide, the air suspensions of the left rear wheel and the right rear wheel need to be quickly lifted upwards, and the air suspensions of the left front wheel and the right front wheel need to be descended downwards, so that the rear bumper can meet the collision of the front side in the largest area, the stability of the vehicle is further kept, meanwhile, the tension of the active safety belt is enhanced, and the forward tilting of a passenger is inhibited.

Preferably, the method further comprises the steps of:

presetting priorities of different working conditions;

and synchronously controlling the tightness of an active safety belt of the vehicle and the lifting of an air suspension of each wheel according to each working condition of the vehicle and the working condition with the highest priority.

In the actual vehicle driving process, the vehicle may have a plurality of working conditions at the same time, and the vehicle is more likely to turn over due to direct collision, so that by setting priorities for the working conditions, when the working conditions coexist, the execution strategy of the working condition corresponding to the highest priority is executed.

In the embodiment of the application, the active safety belt and the air suspension are used as the final execution main body and are applied to the vehicle together with the received control command, so that the safety of a passenger and the comfort of the passenger in the driving process are guaranteed, and the passenger can have better use experience.

As shown in fig. 2, the present application further provides a control system for an active seat belt based on an air suspension, which includes a controller, an active seat belt, and a plurality of air suspensions, wherein the controller is configured to execute the steps of implementing the control method for the active seat belt based on an air suspension as described above.

The tightness of an active safety belt of the vehicle and the lifting of the air suspension of each wheel are synchronously controlled according to different working conditions of the vehicle, wherein the lifting of all the air suspensions is independently controlled.

Compared with the conventional form of directly controlling the active safety belt according to the working condition of the vehicle, the active safety belt control method and the active safety belt control system further consider a plurality of working conditions in the real driving process, and after the current working condition of the vehicle is determined, the tightness of the active safety belt of the vehicle and the lifting of the air suspension of each wheel are synchronously controlled according to the determined working condition.

The effect of full play air suspension, when control initiative safety belt elasticity, the lift of each air suspension of independent control still, initiative safety belt and air suspension cooperate promptly, can enough use initiative safety belt to restrict the passenger and remove by original comfortable position, also can keep vehicle balance nature through the lift of each air suspension to promote passenger's stability and security of traveling in driving process, can bring better use experience for the passenger.

Specifically, the working conditions comprise a vehicle body motion state and a collision tendency state; the vehicle body motion states comprise a high-speed overbending state and a downhill driving state, and the collision tendency states comprise a front collision tendency state, a side collision tendency state and a rear collision tendency state.

In the embodiment of the present application, the working conditions are obtained by calculating the sensing and surrounding environment acquisition related data in the Driving process of the vehicle by using various sensors (such as a laser radar, a millimeter wave radar, a camera, a satellite navigation system, and the like) installed on the vehicle by using an advanced Driving Assistance system adas (advanced Driving Assistance system), and the determination of the working conditions can be determined by using any one of the prior art, so that detailed description is omitted.

It is emphasized that according to our investigations and experiences, no prior art solution for active motor warning control of safety belts using air suspensions has been found, and air suspensions are often used for control regulation in driving balance, which can be regarded as a waste of resources to some extent. According to the embodiment of the application, extra hardware facilities are not needed, the capacity of protecting passengers by the active safety belt can be optimized by analyzing the lifting of the air suspension and the movement of the passengers in the vehicle moving process, the comfort of the passengers in the vehicle moving process can be improved, the design of the vehicle is better in quality, and the close relevance between the control block of the active safety belt and the vehicle moving state at present is perfected.

And the vehicles mentioned in the embodiment of the application are all four-wheel independent air suspension automobiles.

In the embodiment of the present application, the method specifically includes the steps of:

determining the current working condition of the vehicle, wherein the working condition comprises a vehicle body motion state and a collision trend state;

if the working condition is in a vehicle body motion state, controlling the air suspension of at least one rear wheel to descend, and controlling the safety belt to be loose;

if the working condition is in a collision trend state, controlling the air suspension of at least one rear wheel to rise, and controlling the active safety belt to tighten; or if the working condition is in a collision trend state, controlling the air suspension of all rear wheels to fall, and controlling the active safety belt to tighten.

Further, if the operating condition is in a high speed overbending state, the air suspension of the outer wheel is controlled to rise, the air suspension of the inner wheel is controlled to fall, and the active safety belt is controlled to loosen.

And if the working condition is in a downhill driving state, controlling the air suspension of the front-end wheel to rise, controlling the air suspension of the rear-end wheel to fall, and controlling the active safety belt to loosen.

In a specific embodiment, when the working condition is a high-speed overbending state, the working condition has two conditions of turning right and turning left, but in any case, the active safety belt loosening is controlled. When the vehicle turns right, the air suspension of the left front wheel is controlled to ascend, the air suspension of the right front wheel is controlled to descend, the air suspension of the left rear wheel is controlled to ascend, and the air suspension of the right rear wheel is controlled to descend. When the vehicle turns to the right at a high speed, the turning center is on the right, the centripetal force is on the right, the centrifugal force is on the left, and the vehicle body tends to turn left. When the air suspensions of the left front wheel and the left rear wheel are controlled to be lifted upwards quickly, the air suspensions of the right front wheel and the right rear wheel are controlled to be descended downwards quickly, and therefore overturning can be avoided, and stability of the vehicle is kept.

When the vehicle turns left, the air suspension of the left front wheel is controlled to descend, the air suspension of the right front wheel is controlled to ascend, the air suspension of the left rear wheel is controlled to descend, and the air suspension of the right rear wheel is controlled to ascend.

And when the working condition is a downhill driving state, controlling the air suspension of the left front wheel to ascend, controlling the air suspension of the right front wheel to ascend, controlling the air suspension of the left rear wheel to descend, controlling the air suspension of the right rear wheel, and controlling the loosening of the active safety belt. This is because the vehicle body tends to roll forward as the vehicle travels down the incline. When the air suspensions of the left front wheel and the right front wheel are controlled to be lifted upwards quickly, the air suspensions of the left rear wheel and the right rear wheel are controlled to be descended downwards quickly, and therefore overturning can be avoided, and stability of the vehicle is kept.

In the actual process, the trend of forward rollover can also occur when the vehicle is braked vigorously, so that the air suspension of the left front wheel can be controlled to rise, the air suspension of the right front wheel can be controlled to rise, the air suspension of the left rear wheel can be controlled to fall, the air suspension of the right rear wheel can be controlled to fall, and the active safety belt can be controlled to be loosened, so that rollover can be avoided, and the stability of the vehicle can be kept.

And further, when the working condition is a front collision trend state, controlling the air suspension of the front-end wheel to rise, controlling the air suspension of the rear-end wheel to fall, and controlling the active safety belt to loosen. When the advanced driving assistance system ADAS monitors that the front area of the vehicle has a tendency to collide, the air suspensions of the left front wheel and the right front wheel need to be quickly lifted upwards, and the air suspensions of the left rear wheel and the right rear wheel need to be descended downwards, so that the front bumper of the vehicle can meet the collision of the front side in the largest area, and the stability of the vehicle is further kept.

And when the working condition is a side collision trend state, controlling the air suspension of the wheel close to the side of the collision to ascend, controlling the air suspension of the wheel far away from the side of the collision to descend, and sending a control command to the active safety belt to be 'active safety belt fastening'.

If left side collision is about to occur, the air suspensions on the left front wheel and the left rear wheel are both lifted upwards quickly, and the air suspensions on the right front wheel and the right rear wheel are both lowered downwards quickly, so that the vehicle threshold on the left side is in head-on contact with the left side collision, and the stability of the vehicle is further kept; meanwhile, the tensioning force of the active safety belt is enhanced, and the side inclination of the passenger is restrained. If a right-side collision is about to occur, the operation can be carried out according to the reverse control strategy.

And when the working condition is a rear collision trend state, controlling the air suspension of the front-end wheel to fall, controlling the air suspension of the rear-end wheel to rise, and controlling the active safety belt to tighten. When the advanced driving assistance system ADAS monitors that the rear area of the vehicle has a tendency to collide, the air suspensions of the left rear wheel and the right rear wheel need to be quickly lifted upwards, and the air suspensions of the left front wheel and the right front wheel need to be descended downwards, so that the rear bumper can meet the collision of the front side in the largest area, the stability of the vehicle is further kept, meanwhile, the tension of the active safety belt is enhanced, and the forward tilting of a passenger is inhibited.

Preferably, the method further comprises the steps of:

presetting priorities of different working conditions;

and synchronously controlling the tightness of an active safety belt of the vehicle and the lifting of an air suspension of each wheel according to each working condition of the vehicle and the working condition with the highest priority.

In the actual vehicle driving process, the vehicle may have a plurality of working conditions at the same time, and the vehicle is more likely to turn over due to direct collision, so that by setting priorities for the working conditions, when the working conditions coexist, the execution strategy of the working condition corresponding to the highest priority is executed.

In the embodiment of the application, the active safety belt and the air suspension are used as the final execution main body and are applied to the vehicle together with the received control command, so that the safety of a passenger and the comfort of the passenger in the driving process are guaranteed, and the passenger can have better use experience.

The embodiment of the application also discloses a vehicle, wherein the control system of the active safety belt based on the air suspension is installed on the vehicle.

The specific embodiments of the vehicle provided in the embodiments of the present application have been described in detail in the specific embodiments of the control system, and are not described herein again.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

Translated fromChinese

1.一种基于空气悬架的主动安全带的控制方法，其特征在于，包括以下步骤：1. a control method based on the active seat belt of air suspension, is characterized in that, comprises the following steps:根据车辆的不同工况同步控制车辆的主动安全带松紧、各个车轮的空气悬架升降，其中，所有的空气悬架的升降均独立控制。According to different working conditions of the vehicle, the active seat belt tightening and the lifting and lowering of the air suspension of each wheel are controlled synchronously, wherein the lifting and lowering of all air suspensions are independently controlled.2.如权利要求1所述的基于空气悬架的主动安全带的控制方法，其特征在于，所述工况包括车身运动状态，所述根据车辆工况同步控制车辆的主动安全带松紧、各个车轮的空气悬架升降具体包括：2 . The method for controlling an active seat belt based on an air suspension according to claim 1 , wherein the operating conditions include a vehicle body motion state, and the active seat belt tightening, each The air suspension lift of the wheel specifically includes:若所述工况处于车身运动状态，则至少控制一个后轮的空气悬架降，并控制所述安全带松。If the working condition is in a vehicle body motion state, the air suspension of at least one rear wheel is controlled to be lowered, and the seat belt is controlled to be loosened.3.如权利要求2所述的基于空气悬架的主动安全带的控制方法，其特征在于，所述车身运动状态包括高速过弯状态，所述根据车辆工况同步控制车辆的主动安全带松紧、各个车轮的空气悬架升降具体包括：3 . The control method of an active seat belt based on an air suspension according to claim 2 , wherein the vehicle body motion state includes a high-speed cornering state, and the active seat belt tightening of the vehicle is synchronously controlled according to vehicle operating conditions. 4 . . The air suspension lift of each wheel includes:若所述工况处于高速过弯状态，则控制外侧车轮的空气悬架升，控制内侧车轮的空气悬架降，以及控制主动安全带松。If the working condition is in a high-speed cornering state, the air suspension of the outer wheel is controlled to rise, the air suspension of the inner wheel is controlled to be lowered, and the active seat belt is controlled to be loosened.4.如权利要求2所述的基于空气悬架的主动安全带的控制方法，其特征在于，所述车身运动状态包括下坡行驶状态，所述根据车辆工况同步控制车辆的主动安全带松紧、各个车轮的空气悬架升降具体包括：4 . The method for controlling an active seat belt based on an air suspension according to claim 2 , wherein the vehicle body motion state includes a downhill driving state, and the active seat belt tightening of the vehicle is synchronously controlled according to vehicle operating conditions. 5 . . The air suspension lift of each wheel includes:若所述工况处于下坡行驶状态，则控制前端车轮的空气悬架升，控制后端车轮的空气悬架降，以及控制主动安全带松。If the working condition is in a downhill driving state, the air suspension of the front wheel is controlled to rise, the air suspension of the rear wheel is controlled to be lowered, and the active seat belt is controlled to be loosened.5.如权利要求1所述的基于空气悬架的主动安全带的控制方法，其特征在于，所述工况包括碰撞趋势状态，所述根据车辆工况同步控制车辆的主动安全带松紧、各个车轮的空气悬架升降具体包括：5 . The method for controlling an active seat belt based on an air suspension according to claim 1 , wherein the operating conditions include a collision trend state, and the active seat belt tension and each The air suspension lift of the wheel specifically includes:若所述工况处于碰撞趋势状态，则至少控制一个后轮的空气悬架升，并控制所述主动安全带紧；或者If the working condition is in a state of collision tendency, control the air suspension of at least one rear wheel to lift, and control the active seat belt to tighten; or若所述工况处于碰撞趋势状态，则控制所有后轮的空气悬架降，并控制所述主动安全带紧。If the working condition is in a collision tendency state, the air suspensions of all rear wheels are controlled to be lowered, and the active seat belts are controlled to be tightened.6.如权利要求5所述的基于空气悬架的主动安全带的控制方法，其特征在于，所述碰撞趋势状态包括前碰撞趋势状态，所述根据车辆工况同步控制车辆的主动安全带松紧、各个车轮的空气悬架升降具体包括：6 . The air suspension-based active seat belt control method according to claim 5 , wherein the collision trend state includes a front collision trend state, and the active seat belt tension of the vehicle is synchronously controlled according to vehicle operating conditions. 7 . . The air suspension lift of each wheel includes:若所述工况处于前碰撞趋势状态，控制前端车轮的空气悬架升，控制后端车轮的空气悬架降，以及控制所述主动安全带松。If the working condition is in a forward collision tendency state, the air suspension of the front wheel is controlled to rise, the air suspension of the rear wheel is controlled to be lowered, and the active seat belt is controlled to be loosened.7.如权利要求5所述的基于空气悬架的主动安全带的控制方法，其特征在于，所述碰撞趋势状态包括侧向碰撞趋势状态，所述根据车辆工况同步控制车辆的主动安全带松紧、各个车轮的空气悬架升降具体包括：7 . The method for controlling an active seat belt based on an air suspension according to claim 5 , wherein the collision trend state includes a side collision trend state, and the active seat belt of the vehicle is synchronously controlled according to vehicle operating conditions. 8 . The air suspension lift of the elastic and each wheel includes:若所述工况处于侧向碰撞趋势状态，控制靠近碰撞的一侧车轮的空气悬架升，控制远离碰撞的一侧车轮的空气悬架降，以及控制所述主动安全带紧。If the working condition is in a side collision tendency state, the air suspension of the wheel on the side close to the collision is controlled to rise, the air suspension of the wheel on the side away from the collision is controlled to be lowered, and the active seat belt is controlled to tighten.8.如权利要求5所述的基于空气悬架的主动安全带的控制方法，其特征在于，所述碰撞趋势状态包括后碰撞趋势状态，所述根据车辆工况同步控制车辆的主动安全带松紧、各个车轮的空气悬架升降具体包括：8 . The method for controlling an active seat belt based on an air suspension according to claim 5 , wherein the collision trend state includes a rear-collision trend state, and the active seat belt tightening of the vehicle is synchronously controlled according to vehicle operating conditions. 9 . . The air suspension lift of each wheel includes:若所述工况为后碰撞趋势状态，控制前端车轮的空气悬架降，控制后端车轮的空气悬架升，以及控制所述主动安全带紧。If the working condition is a rear-collision tendency state, the air suspension of the front wheel is controlled to be lowered, the air suspension of the rear wheel is controlled to be raised, and the active seat belt is controlled to be tightened.9.如权利要求1所述的基于空气悬架的主动安全带的控制方法，其特征在于，包括步骤：9. The control method for an active seat belt based on an air suspension as claimed in claim 1, characterized in that it comprises the steps of:预先设置不同工况的优先级；Pre-set priorities for different working conditions;根据车辆处于的各个工况，按照优先级最高的工况同步控制车辆的主动安全带松紧、各个车轮的空气悬架升降。According to each working condition of the vehicle, the active seat belt tension of the vehicle and the air suspension of each wheel are controlled synchronously according to the working condition with the highest priority.10.一种基于空气悬架的主动安全带的控制系统，其特征在于，包括控制器、主动安全带、多个空气悬架，所述控制器用于执行实现如权利要求1至9中任一项所述的基于空气悬架的主动安全带的控制方法的步骤。10. A control system for an active seat belt based on an air suspension, characterized in that it comprises a controller, an active seat belt, and a plurality of air suspensions, and the controller is used to implement any one of claims 1 to 9. The steps of the control method of the active seat belt based on the air suspension described in item.

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