CN110920935A - A plug-and-play intelligent core system - Google Patents

Abstract

Translated fromChinese

一种即插即用智能核心系统，解决了现有卫星产品的集成速度慢的问题，属于卫星设计领域。本发明包括中心计算机、可重构模块、非标准接口模块、可重构模块、标准接口模块和测控模块：中心计算机，用于实现卫星的星务管理、姿轨控、电源管理、热控管理和协议驱动；可重构模块，同时连接中心计算机和非标准接口模块，用于将非标准接口模块的数据协议重构为标准总线协议，进而通过通用总线与中心计算机连接，从而实现非标准接口模块的即插即用；非标准接口模块，用于连接非标准接口的单机部件；标准接口模块，通过通用总线与中心计算机连接，用于连接非标准接口的单机部件；测控模块，与中心计算机连接，用于实现整星遥测遥控功能。

A plug-and-play intelligent core system solves the problem of slow integration of existing satellite products, and belongs to the field of satellite design. The present invention includes a central computer, a reconfigurable module, a non-standard interface module, a reconfigurable module, a standard interface module and a measurement and control module: the central computer is used to realize satellite management, attitude and orbit control, power management and thermal control management. and protocol driver; the reconfigurable module is connected to the central computer and the non-standard interface module at the same time, which is used to reconstruct the data protocol of the non-standard interface module into a standard bus protocol, and then connect to the central computer through the universal bus, so as to realize the non-standard interface Plug and play of modules; non-standard interface modules, used to connect stand-alone components with non-standard interfaces; standard interface modules, connected to the central computer through a universal bus, used to connect stand-alone components with non-standard interfaces; measurement and control modules, connected to the central computer Connection, used to realize the whole satellite telemetry and remote control function.

Description

Plug-and-play intelligent core system

Technical Field

The invention relates to an integrated system, in particular to a high-integration plug-and-play intelligent core system, and belongs to the field of satellite design.

Background

With the development trend of satellite microminiaturization, higher requirements are put forward on the integration level of the satellite. The microsatellite is limited in aspects of quality, power consumption and the like, so that the platform quality is reduced, the platform power consumption is reduced, and the method is very important for improving the loading capacity of the microsatellite. In addition, with the development of aerospace commercialization, higher requirements are put on the integration speed of satellites. Commercial aerospace adopts more COTS devices, and often does not have a uniform communication protocol, so that the integration speed of satellite products is restricted.

Disclosure of Invention

Aiming at the problem of low integration speed of the existing satellite product, the invention provides a high-integration plug-and-play intelligent core system.

The invention relates to a plug-and-play intelligent core system, which comprises a central computer, a reconfigurable module, a nonstandard interface module, a reconfigurable module, a standard interface module and a measurement and control module, wherein the central computer comprises a central computer, the reconfigurable module comprises a plurality of modules, the central computer comprises a plurality of modules, and the central computer comprises:

the central computer is used for realizing satellite affair management, attitude and orbit control, power management, thermal control management and protocol driving of the satellite;

the reconfigurable module is simultaneously connected with the central computer and the non-standard interface module and is used for reconfiguring the data protocol of the non-standard interface module into a standard bus protocol and further connecting the standard bus protocol with the central computer through a universal bus, so that the plug and play of the non-standard interface module are realized;

the non-standard interface module is used for connecting a single machine component of the non-standard interface;

the standard interface module is connected with the central computer through a universal bus and is used for connecting a single machine component of a non-standard interface;

and the measurement and control module is connected with the central computer and is used for realizing the functions of remote measurement and control of the whole satellite.

Preferably, the central computer is configured to receive telemetry data of each stand-alone component through a general bus, complete framing of whole satellite telemetry, and download the framing to the measurement and control module, and is further configured to receive a remote injection instruction forwarded by the measurement and control module, perform instruction analysis, and forward the analyzed instruction to other stand-alone components through the general bus.

Preferably, the central computer implements satellite affair management of the satellite, including data management, task management and time management.

Preferably, the central computer implements attitude and orbit control of the satellite, including attitude determination, attitude calculation, attitude control, orbit calculation, and orbit control of the satellite.

Preferably, the central computer implements power management of the satellite, including implementing whole-satellite power distribution management, ampere-hour meter calculation and single battery balancing.

Preferably, the central computer implements thermal control management of the satellite, including implementing an active thermal control function of the whole satellite.

Preferably, the system further comprises a power supply and distribution module which is used for converting the primary bus voltage of the whole satellite into the voltage required by the central computer, the measurement and control module and the reconfigurable module.

The plug-and-play intelligent core system with high integration level integrates a satellite system, attitude and orbit control, power management and other systems, greatly simplifies satellite hardware configuration, reduces satellite weight and lowers satellite cost. Meanwhile, the intelligent core system realizes plug and play of different interface devices by using the reconfigurable unit, and the integration speed of satellite products is increased.

Drawings

Fig. 1 is a schematic diagram of the principle of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.

The plug-and-play intelligent core system of the embodiment comprises a central computer, a reconfigurable module, a nonstandard interface module, a reconfigurable module, a standard interface module and a measurement and control module:

the central computer is used for realizing satellite affair management, attitude and orbit control, power management, thermal control management and protocol driving of the satellite;

the reconfigurable module is simultaneously connected with the central computer and the non-standard interface module and is used for reconfiguring the data protocol of the non-standard interface module into a standard bus protocol and further connecting the standard bus protocol with the central computer through a universal bus, so that the plug and play of the non-standard interface module are realized;

the non-standard interface module is used for connecting a single machine component of the non-standard interface;

the standard interface module is connected with the central computer through a universal bus and is used for connecting a single machine component of a non-standard interface;

and the measurement and control module is connected with the central computer and is used for realizing the functions of remote measurement and control of the whole satellite.

In the existing satellite design, a housekeeping system, an attitude and orbit control system, a power supply management system and a thermal control management system are all provided with independent computer systems, and all the systems are connected through a hardware bus. The intelligent core system provided by the embodiment integrates the housekeeping management, the attitude and orbit control, the power supply management and the thermal control management into one computer system, realizes the independent operation of each functional module in a thread mode, and reduces 3 computer units and corresponding cable and shell structures without considering the backup condition. The central computer of the embodiment integrates the central computer, the measurement and control module, the reconfigurable module and the power supply and distribution module into one case, and adopts the connectors between boards to perform data communication, thereby reducing communication cables between systems and simultaneously reducing independent shell structures. The intelligent core system of the embodiment realizes the plug and play of the standard interface module by using the equipment identification protocol, realizes the plug and play of the nonstandard interface module by using the reconfigurable module, and greatly improves the system integration speed.

The central computer of the embodiment receives the telemetering data of each single machine component through the general bus, completes the framing of the whole satellite telemetering, and transmits the framing to the measurement and control module through the PCM interface. The central computer receives the remote control injection instruction forwarded by the measurement and control module through the PCM interface, analyzes the instruction, and forwards the analyzed instruction to other single machine components through the general bus or directly executes the instruction related to the central computer.

The protocol driver of the embodiment is used for realizing the autonomous recognition function of the universal bus and realizing the plug and play of the standard interface module. The method specifically comprises the following steps: and dynamically allocating ID to the standard module according to the unique equipment identification code of the standard module, and realizing the autonomous identification of the central machine and the single machine component, thereby realizing the rapid access of the standard module.

The central computer of the embodiment realizes the satellite affair management of the satellite, including data management, task management and time management.

The central computer of the embodiment realizes attitude and orbit control of the satellite, including attitude determination, attitude calculation, attitude control, orbit calculation and orbit control of the satellite. The method specifically comprises the following steps: determining the current attitude and orbit by acquiring the attitude and orbit information of the sensor and the actuating mechanism after the star management processing; and calculating attitude control and track control parameters according to the current control mode or instruction, and driving the actuating mechanism.

The central computer of the embodiment implements power management of the satellite, including implementing whole-satellite power distribution management, ampere-hour meter calculation and single battery balancing. The method specifically comprises the following steps: according to task execution or instructions, directly driving the OC chip to control the on-off of each single machine component; directly acquiring information such as bus voltage, bus current, load current, solar array current and the like through an ADC chip, and carrying out ampere-hour meter calculation; and directly acquiring the voltage of each single battery through an ADC chip, and carrying out balance calculation on the single batteries.

The central computer of the embodiment realizes the thermal control management of the satellite, including the active thermal control function of the whole satellite. The method specifically comprises the following steps: the temperature information of each active temperature control point is directly acquired through the ADC chip, and the output and the turn-off of the heating sheet are directly driven according to the threshold of the active temperature control switch.

The system of the embodiment further comprises a power supply and distribution module which is used for converting the primary bus voltage of the whole satellite into various voltages such as 1.2V, 3.3V, 5V and 12V required by the central computer, the measurement and control module and the reconfigurable module, and ensuring the normal operation of each functional module. The intelligent core system of the embodiment uses the common power distribution module to provide power distribution for the central computer, the measurement and control module and the reconfigurable module, and 2 power supply and distribution modules are saved.

Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims (7)

Translated fromChinese

1.一种即插即用智能核心系统，其特征在于，所述系统包括中心计算机、可重构模块、非标准接口模块、可重构模块、标准接口模块和测控模块：1. a plug-and-play intelligent core system, characterized in that, the system comprises a central computer, a reconfigurable module, a non-standard interface module, a reconfigurable module, a standard interface module and a measurement and control module:中心计算机，用于实现卫星的星务管理、姿轨控、电源管理、热控管理和协议驱动；The central computer is used to realize satellite management, attitude and orbit control, power management, thermal control management and protocol driving;可重构模块，同时连接中心计算机和非标准接口模块，用于将非标准接口模块的数据协议重构为标准总线协议，进而通过通用总线与中心计算机连接，从而实现非标准接口模块的即插即用；The reconfigurable module is connected to the central computer and the non-standard interface module at the same time, which is used to reconstruct the data protocol of the non-standard interface module into a standard bus protocol, and then connect to the central computer through the universal bus, so as to realize the plug-in of the non-standard interface module. ready to use;非标准接口模块，用于连接非标准接口的单机部件；Non-standard interface modules, used to connect stand-alone components with non-standard interfaces;标准接口模块，通过通用总线与中心计算机连接，用于连接非标准接口的单机部件；The standard interface module is connected to the central computer through the universal bus, and is used to connect the stand-alone components of the non-standard interface;测控模块，与中心计算机连接，用于实现整星遥测遥控功能。The measurement and control module is connected with the central computer to realize the remote measurement and remote control function of the whole satellite.2.根据权利要求1所述的一种即插即用智能核心系统，其特征在于，所述中心计算机用于通过通用总线接收各个单机部件的遥测数据，并完成整星遥测的组帧，下传至测控模块，还用于接收测控模块转发的遥控注入指令，并进行指令解析，将解析后的指令通过通用总线转发至其他单机部件。2. a kind of plug-and-play intelligent core system according to claim 1, is characterized in that, described central computer is used for receiving the telemetry data of each stand-alone component through the universal bus, and completes the framing of whole satellite telemetry, down It is transmitted to the measurement and control module, and is also used to receive the remote control injection command forwarded by the measurement and control module, and to parse the command, and forward the parsed command to other stand-alone components through the universal bus.3.根据权利要求1所述的一种即插即用智能核心系统，其特征在于，所述中心计算机实现卫星的星务管理，包括数据管理、任务管理、时间管理。3 . The plug-and-play intelligent core system according to claim 1 , wherein the central computer realizes the satellite service management, including data management, task management, and time management. 4 .4.根据权利要求1所述的一种即插即用智能核心系统，其特征在于，所述中心计算机实现卫星的姿轨控，包括实现卫星的姿态确定、姿态计算、姿态控制、轨道计算与轨道控制。4. a kind of plug-and-play intelligent core system according to claim 1, is characterized in that, described central computer realizes the attitude and orbit control of satellite, comprises and realizes attitude determination of satellite, attitude calculation, attitude control, orbit calculation and Track Control.5.根据权利要求1所述的一种即插即用智能核心系统，其特征在于，所述中心计算机实现卫星的电源管理，包括实现整星配电管理、安时计计算和单体电池的均衡。5. A plug-and-play intelligent core system according to claim 1, wherein the central computer realizes the power management of the satellite, including the realization of the power distribution management of the whole satellite, the calculation of the ampere meter and the power supply of the single battery. balanced.6.根据权利要求1所述的一种即插即用智能核心系统，其特征在于，所述中心计算机实现卫星的热控管理，包括实现整星主动热控功能。6 . The plug-and-play intelligent core system according to claim 1 , wherein the central computer realizes the thermal control management of the satellite, including realizing the active thermal control function of the whole satellite. 7 .7.根据权利要求1所述的一种即插即用智能核心系统，其特征在于，所述系统还包括供配电模块，用于将整星的一次母线电压转换为中心计算机、测控模块、可重构模块所需的电压。7. A plug-and-play intelligent core system according to claim 1, wherein the system further comprises a power supply and distribution module for converting the primary bus voltage of the whole star into a central computer, a measurement and control module, The voltage required by the reconfigurable module.

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