CN102081402A - Vehicle-mounted control and diagnosis system for medium-low speed maglev train - Google Patents

Abstract

Translated fromChinese

一种中低速磁浮列车用车载控制与诊断系统，包括：通信组件，包括列车总线、车辆总线、列车控制线和车辆控制线，用于传递控制指令、控制参数、检测状态和数据；控制开关组件，包括司机钥匙、操纵手柄和控制开关，用于人员的操作；显示组件，包括状态屏、信号屏、指示灯和模拟表，用于显示列车设备的状态和数据；控制对象组件，包括低压柜、高压柜、AD110电源、DD280电源、辅助逆变器、悬浮控制器、牵引逆变器、制动系统、车门以及空气调节器；控制器，通过通信组件与上述各部件相连并用来完成信息监测、信息处理、控制指令生成、故障诊断、数据存储功能。本发明具有结构简单、自动化程度高、适用范围广、功能集成度高、工作稳定、可靠性强等优点。

An on-board control and diagnosis system for medium and low-speed maglev trains, including: a communication component, including a train bus, a vehicle bus, a train control line and a vehicle control line, for transmitting control instructions, control parameters, detection status and data; a control switch component , including driver keys, joysticks and control switches, for personnel operations; display components, including status screens, signal screens, indicator lights and analog meters, for displaying the status and data of train equipment; control object components, including low-voltage cabinets , high voltage cabinet, AD110 power supply, DD280 power supply, auxiliary inverter, suspension controller, traction inverter, braking system, car door and air conditioner; the controller is connected with the above components through the communication module and used to complete information monitoring , information processing, control command generation, fault diagnosis, data storage functions. The invention has the advantages of simple structure, high degree of automation, wide application range, high function integration, stable work, strong reliability and the like.

Description

Middle low-speed maglev train vehicle-mounted control and diagnostic system

Technical field

The present invention is mainly concerned with the opertaing device field of magnetic-levitation train, refers in particular to the control system that a kind of middle low-speed maglev train is used.

Background technology

In the prior art, the vehicle control syetem of middle low-speed maglev train utilizes computer network to realize the control and the diagnosis of train based on network control mode; Be the reliability that further improves train control system in addition, generally control the emergency operating control that realizes train by the rigid line relay.Wherein, major control and logic determines under network schemer, network unlock mode and the ATC pattern are carried out by microcomputer, part important or relate to safe logic determines and comprehensively except that microcomputer is inner carry out, still adopt hardware logic electric circuit in the control circuit.

Summary of the invention

The technical problem to be solved in the present invention just is: at the technical matters that prior art exists, the invention provides a kind of simple and compact for structure, automaticity is high, applied widely, functional integration is high, the middle low-speed maglev train of working stability, good reliability is with vehicle-mounted control and diagnostic system.

For solving the problems of the technologies described above, the present invention by the following technical solutions:

Low-speed maglev train vehicle-mounted control and diagnostic system in a kind of is characterized in that comprising:

Communications component comprises train bus-line, vehicle bus, train line and vehicle control line, is used to transmit steering order, controlled variable, detected state and data;

The gauge tap assembly comprises driver's key, control crank and gauge tap, is used for driver or maintainer's operation;

Display module comprises state screen, signal screen, pilot lamp and simulation table, is used for the state and the data of display column vehicle device;

The controlling object assembly comprises low-voltage cabinet, high-voltage board, AD110 power supply, DD280 power supply, subordinate inverter, suspension controller, traction invertor, brake system, car door and air governor;

Controller links to each other with above-mentioned each parts and is used for finishing information monitoring, information processing, steering order generation, fault diagnosis, data storage function by communications component.

As a further improvement on the present invention:

Described controller is provided with three kinds of control models:

Network control mode, the control model when normally moving for train adopts the distributed PC real-time control system, and each system connects together with the bus communication mode, realizes control, diagnosis, protection and the supervision of full train at cab;

Network release control model is the control model of train stable operation, under the situation of train individual networks system unit fault, by the network system parts of driver by gauge tap shield components fault;

Emergent control model, the pattern of operation when the Train Control complete network is paralysed.

Described controller is provided with three kinds of driving models: pilot steering pattern, pilot steering pattern under automatic driving mode, the ATP monitoring.

Described train bus-line connects all row of train, and vehicle bus is this unit vehicle bus.

Compared with prior art, the invention has the advantages that:

1, low-speed maglev train vehicle-mounted control and diagnostic system among the present invention, simple and compact for structure, automaticity is high, applied widely, functional integration is high, working stability, good reliability, be characterized in adopting three kinds of redundant each other control models, be network control mode, release control model and rigid line control model, and Redundancy Design has also been carried out in system control model inside, according to selected driving model, can round-the-clockly satisfy the requirement of train operation.Therefore, low-speed maglev train traction ﹠amp during the present invention can high-qualityly finish; The security of operation and the high-quality riding quality of magnetic-levitation train are guaranteed in the control and the diagnosis of braking, suspend guiding and backup system, and the present invention also has magnetic-levitation train according to the volume of the flow of passengers advantage of marshalling flexibly;

2, the present invention utilizes computer network to realize the control and the diagnosis of train based on network control mode; Be the reliability that further improves train control system in addition, control the emergency operating control that realizes train by the rigid line relay;

3, three kinds of control models all can normally be moved design according to train among the present invention, do not influence the runnability of train, and these three kinds of control models have all adopted Redundancy Design, can guarantee train running on scheduled time, stable operation fully.

Description of drawings

Fig. 1 is the structural framing synoptic diagram of system of the present invention;

Fig. 2 is the functional framework synoptic diagram of system of the present invention;

Fig. 3 is the construction framework figure of the whole control model of the present invention;

Flow process framework synoptic diagram when Fig. 4 is system of the present invention execution.

Embodiment

Below with reference to Figure of description and specific embodiment the present invention is described in further details.

Middle low-speed maglev train vehicle-mounted control and diagnostic system, comprise controller (CCU/VCU), controlling object assembly, gauge tap assembly, display module and communications component, wherein, controller (CCU/VCU) is used for finishing functions such as information monitoring, information processing, steering order generation, fault diagnosis, data storage; The controlling object assembly comprises equipment such as low-voltage cabinet, high-voltage board, AD110 power supply, DD280 power supply, subordinate inverter, suspension controller, traction invertor, brake system, car door, air governor; The gauge tap assembly comprises driver's key, control crank and gauge tap, is used for driver or maintainer's operation; Display module comprises state screen, signal screen, pilot lamp and simulation table, is used for the state and the data of display column vehicle device; Communications component comprises train bus-line (WTB), vehicle bus (MVB), train line and vehicle control line, is used to transmit steering order, controlled variable, detected state and data.

As shown in Figure 2, the present invention mainly comprises four basic functions: network control comprises functions such as train bus-line management, vehicle bus management, data recording and remote transmission; Control of authority comprises control of authority, changes functions such as end control and pattern control; Device control comprises functions such as electrical control, braking control, vehicle arrangement control, cab equipment control, detection, demonstration and logic be chain; System diagnostics comprises train diagnostic system and vehicle diagnosing system.

By using system of the present invention, in instantiation, adopt network (normally) control model, network release control model and emergent three kinds of (rigid line) patterns of controlling in the basic control mode of train, its control model construction framework specifies as follows as shown in Figure 3:

Network control mode: full train is provided with train bus-line (WTB) and MVB (MVB), and WTB connects full row, and MVB is this unit vehicle bus.Train Control is the distributed PC real-time control system, and train four big systems connect together with the bus communication mode, realizes control, diagnosis, protection and the supervision of full train at cab, so that the train Based Intelligent Control.Train adopts this kind control model when normally moving.

Network release control model: under the situation of train individual networks system unit fault, be to realize train stable operation, by the driver by behind the network system parts of gauge tap shield components fault, the control model of train stable operation.

Emergent control (rigid line) pattern: when the Train Control complete network is paralysed, for realizing that train is stable, the control model of running on time.This control model protection system function does not have network control system perfect.

By using system of the present invention, in instantiation, the basic driving model of train is divided into pilot steering pattern, the pilot steering pattern under automatic driving mode, the ATP monitoring, is respectively described below:

Automatic driving mode: by the driving model that ATP+ATO+ATS forms, the operation of train is controlled by the ground control centre substantially and is finished train operation, is the driving model of the normal operation of middle low-speed maglev train.

ATP monitoring pilot steering pattern down: equipment such as ATO breaks down in the ATC system, train under the ATP monitoring, the driving model that train is controlled by the driver.

The pilot steering pattern: under the situation of the ATP system and the ATO system failure, by the driving model of driver control train, this driving model is applied under the emergency rating fully.

Low-speed maglev train safety loop wire mainly is made up of brake hard loop wire, integrity of train loop wire, train vehicle door status loop wire, train suspended state loop wire and train activation loop wire 5 parts among the present invention.

By using system of the present invention, in instantiation, as shown in Figure 4, overall control flow of the present invention is mainly used to be achieved as follows 26 sport control function: the train mobilizing function; The train driving mode capabilities; Determine that the train Enable Pin determines function; The train operation control model is determined function; Train DC110V battery pack drops into integrality and judges; The train net is pressed measuring ability; Vehicle-mounted auxiliary power start; Vehicle-mounted accessory power supply cuts out; The accessory power supply control that resets; The control of train floating; Train landing control; The closed permission of high-speed circuit breaker controlled; The high-speed circuit breaker failure judgment; The direction logic control; The train indication of dispatching a car; Train traction control; Train braking control; Train adapts to prominent disconnected, the figure throwing control of ground power supply system; Train brake hard control; Train ramp start-up control; Train changes end control; Train speed limit control; Vehicle-mounted ATP Control for Speed Limitation function; The automatic car controlling function of vehicle-mounted ATO; Train receives the control function of safe loop wire; Train shows and diagnostic function.

Below will be with concrete application example, the operation of system of the present invention is elaborated.

1, the present invention is in the embodiment of normal operation;

Train activates: the train activator switch is got to ON position control power connection, each module power-on self-test of network control system in the communications component, each unit MVB network, RS485 network, the self check of CAN network, two redundant each other CCU of car selected at random one as MVB master, simultaneously WTB is initialized as from node.

Driver's key is determined the train operation end: master control is handled cab and is enabled; When driver's key of a cab placed operation position (ON), this cab was made as master control and handles cab.That is, master control is handled cab driver key and is got to the ON position and connect DXM signal wire input high level, and this high level signal determines that local terminal has makes the local terminal relay get electronic work for the time being, output train control of authority power supply; Simultaneously, this high level signal will cause far-end (non-manipulatable end) relay to get electronic work, guarantee that the signal wire of local terminal (manipulatable end) connection DXM module is input as low level; Finishing the local terminal cab is that cab mandate (being that local terminal is had the right) is handled in master control.

The CCU program should be carried out following operation according to driver's key: if do not have WTB master in the WTB bus, it is main by force that the MVB master CCU that then has the right to hold will upgrade to WTB; If do not have WTB master in the WTB bus, it is weak main that the standby chief commander of MVB who then has the right to hold upgrades to WTB; Network system begins to receive and can carry out other input/output control command of driver's desk; If network system receives that local terminal is had the right and far-end is had the right signal is effective simultaneously or non-to change under the end operating mode that local terminal is had the right and far-end is had the right simultaneously invalid, then network system output brake hard and carry out corresponding operating according to power-down logic.

The train operation control model is determined: the train operation control model is determined that by master control manipulatable end control model switch position CCU carries out corresponding logical process and control according to the operation control model to train operation control; If only connected that the normal mode signal of DXM is input as high level train for normal operation control model, normally move under the control model, network system is carried out complete logic control and supervision to train operation control; Be input as high level if connect the unlock mode signal of DXM, then train is a release operation control model, release operation control model lower network system controls train operation, but all peripheral controlled conditions of network system bypass are directly controlled train and monitored according to input signal; Be input as high level if only connect the contingency mode signal of DXM, then train is the emergency operating control model, and emergency operating control model lower network system only monitors to train operation that network system shields all control function;

The train net is pressed and is detected, and no matter which kind of operation control model train is under, and network system is all compressed into row to the train net of voltage sensor collection in the high-voltage board and detected in real time: the low net of train is pressed, and train net pressure value continues 100ms and is lower than 1000 volts; Train net positive pressure is normal, and train net pressure value continues 100ms greater than 1000 volts and less than 1950 volts; The high net of train is pressed, and train net pressure value continues 100ms greater than 1950 volts; The networked control system of the train system compresses into row according to the train net and judges generation " line voltage overvoltage ", and " line voltage is under-voltage " failure message also shows by driver's display, breaks, cancels the backup system enabled instruction with the time-division master.

Vehicle-mounted accessory power supply control: the train handling platform is provided with train auxiliary power supply gauge tap, place when closing when master control manipulatable end auxiliary power supply gauge tap under normal operation control model and the release operation control model, network system is carried out corresponding control according to the logic that powers on of correspondence, the startup of finishing vehicle-mounted accessory power supply automatically with close;

Train floating control: train normally moves control model and release operation control model lower network system and realizes control that train is suspended according to the output of Suspension Control logic control train floating instruction.

Train landing control: train normally moves control model and release moves cancel the control that realization to train land of control model lower network system according to the instruction of Suspension Control logic control train floating.

Lead control: when a cab is enabled, the lead of train must manually be provided with by " reversing lever ".Reversing lever is provided with three above the folds, F, 0 and R, respectively correspondence forward, 0 and backward.

(1), from changing into backward forward, or, must satisfy following condition for validity from changing into backward forward in order to change train directions:

Staticly surpass 3 seconds;

Braking instruction is electric brake hard;

Dispose ready;

A cab is enabled;

When cab was abandoned, two unit were made as lead on the contrary, and the direction signalization will be reseted.

(2) following condition is satisfied could change lead

Direction is provided with effectively;

Once be made as forward;

Train steady at least 1 second;

Satisfy if change the condition of lead, when switch changes " R " into from " F ", direction will be made as the position at switch place, and vice versa.

(3) when the train traction direction is effective, correct lead is delivered to the traction convertor of each motor-car.If the train traction direction is made as oppositely, the lead of delivering to the traction convertor of each motor-car also will change.Only in zero-speed, and do not have tractive effort command to send, for example during the urgent position of driver's handle or brake handle electricity, the lead of traction convertor could change.

Traction control a: traction handle is arranged on each cab driving position.The traction handle manual operation is given computer system with tractive force or speed command.When conversion between instruction of hand traction power and auto-speed pattern, use the speed control button.

(1) tractive force, speed and coasting signal are the simulating signals of being sent by the potentiometer in the traction handle, and these signals are delivered to AXM (analog input output interface) unit in the cab.

Tractive effort mode: tractive effort command and traction handle position are corresponding.In the coasting position, tractive force/damping force power instruction is made as zero.

Velocity mode: A:, increase or reduce speed by the pushing away forward or pulling back of traction handle.The grade that increases/reduce and the level of traction handle are corresponding.B: if handle is placed on the constant speed position, train will keep same speed, increase or reduce speed up to the position that changes traction handle.

(2) pulling to own reverse direction and move the position at the end to when driver's handle, is exactly the position of the electric brake hard on the handle.The electricity brake hard is sent by a contact in the handle, and contact is opened during brake hard.

(3) when train during with the failure operation mode operation, rate signal provides pulse signal by the pwm pulse generator of a car to traction convertor, keeps train operation.

Braking control a: brake handle is arranged on the driving position in each cab.The brake handle manual operation is delivered to computer system with the brake handle instruction.

Brake handle has an above the fold (electric brake hard), and in application position, handle is variable.

Brake handle instructs by driver operation, or is provided with automatically by different situations, and all the other are mechanical braking for electric braking in most of braking, and composite braking is finished by brake system.

Brake signal is a simulating signal, is sent by the potentiometer in the brake handle, and signal is given the AXM in the cab unit.

When driver's handle pulls to own reverse direction and moves the position at the end to, be exactly the position of the electric brake hard on the handle.The electricity brake hard is sent by a contact in the handle, and contact is opened during brake hard.

2, the present invention is in the embodiment of fault handling;

1), Train Control pattern fault:

The control model of middle low velocity magnetic-levitation train is divided into network (normally) control model, network release control model and emergent three kinds of (rigid line) patterns of controlling.

When the network control mode fault, adopt network release control model;

When network (normally) control model and the whole fault of network release control model, adopt emergent (rigid line) control model

Illustrate: these three kinds of control models all can normally be moved design according to train, do not influence the runnability of train, and these three kinds of control models have all adopted Redundancy Design, can guarantee train running on scheduled time, stable operation fully.

2), train driving pattern fault:

In low velocity magnetic-levitation train driving model be divided into three kinds of pilot steering pattern, pilot steering patterns under automatic driving mode, the ATP monitoring.

When the automatic driving mode fault, adopt the pilot steering pattern under the ATP monitoring;

When the whole fault of pilot steering pattern under automatic driving mode and the ATP monitoring, adopt the pilot steering pattern.

Illustrate: when adopting the pilot steering pattern, note situations such as speed limit, closing of the door; These three kinds of driving models have all adopted Redundancy Design when design.

3), trailer system, brake system, auxiliary power supply system and suspension system fault:

When the network control mode fault, adopt network release control model;

When network (normally) control model and the whole fault of network release control model, adopt emergent (rigid line) control model

Illustrate: these three kinds of control models all can normally be moved design according to train, do not influence the runnability of train, and these three kinds of control models have all adopted Redundancy Design, can guarantee train running on scheduled time, stable operation fully.

3, the present invention is in the embodiment of safe loop wire:

In low-speed maglev train safety loop wire be the basic guarantee of guaranteeing train safe, stable, reliability service, amounting to design according to the form of train control system has 5 safe loop wires, is respectively:

The brake hard loop wire;

The integrity of train loop wire;

Train vehicle door status loop wire;

Train suspended state loop wire;

Train Control activates loop wire;

4, the embodiment of diagnostic system of the present invention:

Train control system also is responsible for the monitoring and the diagnosis of the important peripherals of vehicle except finishing the monitoring and diagnosis to control system; And send into any of control unit for vehicle and unusually all can make following processing:

Storage: store fault and relevant data thereof such as time, license number into central diagnostic memory, utilize PC or card reader to can read these data.

Classification: the importance of whole vehicle functions is divided into four fault ranks with it according to fault:

The A level: vehicle can not move and maybe must stop to handle, and can only drag away;

The B level: conditional operation and control, can drive to the next stop, the back empty wagons that all discharges passengers sails the maintenance station into;

The C level: runnability descends, and enters the maintenance station after operation finishes and repairs;

The D level: runnability descends, and repair message is stored, but display screen does not show more indicating fault.

Show:, can cause driver's attention by sound and light signal (hummer, LED malfunction indicator lamp) immediately if this information is relevant with trailer system; Simple and clear text message is presented on the display screen, with the driver instructor car controlling.

Below only be preferred implementation of the present invention, protection scope of the present invention also not only is confined to the foregoing description, and all technical schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art the some improvements and modifications not breaking away under the principle of the invention prerequisite should be considered as protection scope of the present invention.

Claims (4)

Translated fromChinese

1. 一种中低速磁浮列车用车载控制与诊断系统，其特征在于包括：1. A vehicle-mounted control and diagnosis system for a medium-low speed maglev train, characterized in that it comprises:通信组件，包括列车总线、车辆总线、列车控制线和车辆控制线，用于传递控制指令、控制参数、检测状态和数据；Communication components, including train bus, vehicle bus, train control line and vehicle control line, used to transmit control instructions, control parameters, detection status and data;控制开关组件，包括司机钥匙、操纵手柄和控制开关，用于司机或维护人员的操作；Control switch assembly, including the driver's key, joystick and control switch, used for the operation of the driver or maintenance personnel;显示组件，包括状态屏、信号屏、指示灯和模拟表，用于显示列车设备的状态和数据；Display components, including status screens, signal screens, indicator lights and analog meters, are used to display the status and data of train equipment;控制对象组件，包括低压柜、高压柜、AD110电源、DD280电源、辅助逆变器、悬浮控制器、牵引逆变器、制动系统、车门以及空气调节器；Control object components, including low-voltage cabinets, high-voltage cabinets, AD110 power supplies, DD280 power supplies, auxiliary inverters, suspension controllers, traction inverters, braking systems, doors and air conditioners;控制器，通过通信组件与上述各部件相连并用来完成信息监测、信息处理、控制指令生成、故障诊断、数据存储功能。The controller is connected with the above-mentioned components through the communication component and is used to complete the functions of information monitoring, information processing, control command generation, fault diagnosis and data storage.2. 根据权利要求1所述的中低速磁浮列车用车载控制与诊断系统，其特征在，所述控制器设置有三种控制模式：2. The vehicle-mounted control and diagnostic system for medium and low-speed maglev trains according to claim 1, wherein the controller is provided with three control modes:网络控制模式，为列车正常运行时的控制模式，采用分布式微机实时控制系统，各系统用总线通信方式连在一起，在司机室实现全列车的控制、诊断、保护及监视；The network control mode is the control mode when the train is in normal operation. It adopts a distributed microcomputer real-time control system, and all systems are connected together by bus communication, so that the control, diagnosis, protection and monitoring of the whole train can be realized in the driver's cab;网络解锁控制模式，为列车稳定运行的控制模式，在列车个别网络系统部件故障的情况下，由司机通过控制开关组件屏蔽故障的网络系统部件；The network unlocking control mode is a control mode for the stable operation of the train. In the case of failure of individual network system components of the train, the driver shields the faulty network system components through the control switch assembly;应急控制模式，当列车控制网络完全瘫痪时运行的模式。Emergency control mode, which operates when the train control network is completely paralyzed.3. 根据权利要求1所述的中低速磁浮列车用车载控制与诊断系统，其特征在于，所述控制器设置有三种驾驶模式：自动驾驶模式、ATP监控下的人工驾驶模式、人工驾驶模式。3. The vehicle-mounted control and diagnostic system for medium and low-speed maglev trains according to claim 1, wherein the controller is provided with three driving modes: automatic driving mode, manual driving mode under ATP monitoring, and manual driving mode.4. 根据权利要求1或2或3所述的中低速磁浮列车用车载控制与诊断系统，其特征在于：所述列车总线贯通列车的所有列，车辆总线为本单元车辆总线。4. The vehicle-mounted control and diagnosis system for medium-low speed maglev trains according to claim 1, 2 or 3, characterized in that: the train bus runs through all train rows, and the vehicle bus is the vehicle bus of the unit.

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