CN-115723844-B - Management method and device of steer-by-wire system, electronic equipment and storage medium

CN115723844BCN 115723844 BCN115723844 BCN 115723844BCN-115723844-B

Abstract

The application relates to a management method, a device, electronic equipment and a storage medium of a steer-by-wire system, wherein the method comprises the steps of determining a chip type of a main controller and a plurality of target sensors of the steer-by-wire system, determining a voltage parameter, a current parameter and a temperature parameter of a power supply controller in the steer-by-wire system according to a target operation action of a vehicle, determining an operation parameter and a steering motor operation parameter of each target sensor in the plurality of target sensors, and dividing the steer-by-wire system into an application layer, an environment layer, a software layer and a hardware layer according to a preset communication mode among the plurality of target sensors, the steering motor, the power supply controller and the main controller and the operation parameter, the steering motor operation parameter, the voltage parameter, the current parameter and the temperature parameter of each target sensor based on a preset AutoSar development platform. Therefore, the stability and the safety of the system are improved, and faults in the steering-by-wire system of the automatic driving vehicle are managed and positioned conveniently.

Inventors

DING KUN
LI HAIFENG
LIU KANG

Assignees

雄狮汽车科技(南京)有限公司
芜湖雄狮汽车科技有限公司
奇瑞汽车股份有限公司

Dates

Publication Date: 20260508
Application Date: 20221009

Claims (6)

1. A method of managing a steer-by-wire system, comprising the steps of: Determining a main controller chip type and a plurality of target sensors of a steer-by-wire system; Determining a voltage parameter, a current parameter, and a temperature parameter of a power supply controller in the steer-by-wire system, and an operating parameter of each of the plurality of target sensors and a steering motor operating parameter according to a target operating motion of the vehicle, and Dividing the steer-by-wire system into an application layer, an environment layer, a software layer and a hardware layer according to the preset communication mode among the plurality of target sensors, the steering motor, the power supply controller and the main controller, and the operation parameters of each target sensor, the steering motor operation parameters, the voltage parameters, the current parameters and the temperature parameters of the power supply controller; The system comprises a communication service layer, a communication hardware abstraction layer, a hardware layer and a control layer, wherein the software layer provides basic software services of the steer-by-wire system, the communication service layer comprises communication protocol modules and places fault events of a sensor and a power-assisted steering motor in a diagnosis event management and communication diagnosis module in the communication service module to realize diagnosis of the fault events; judging the current communication state of the steering-by-wire system, if the current communication state is inconsistent with the preset communication state, judging that the current communication state of the steering-by-wire system has a fault, and generating fault information; After judging that the current communication state of the steer-by-wire system has faults and generating the fault information, the method further comprises the steps of analyzing the fault information to obtain fault reasons, and positioning the fault position of the steer-by-wire system according to the fault reasons.
2. The method according to claim 1, characterized by, after determining that there is a failure in the current communication state of the steer-by-wire system and generating the failure information, further comprising: And generating alarm information according to the fault information.
3. The method of claim 1, wherein the target sensor comprises at least one of a torque sensor, a vehicle speed sensor, an angular velocity sensor, the steering motor, a front wheel steering angle sensor, and a rear wheel steering angle sensor.
4. A management apparatus of a steer-by-wire system, characterized by comprising: the first acquisition module is used for determining the chip type of a main controller of the steer-by-wire system and a plurality of target sensors; A second acquisition module for determining a voltage parameter, a current parameter, and a temperature parameter of a power supply controller in the steer-by-wire system, and an operation parameter of each of the plurality of target sensors and an operation parameter of a steering motor according to a target operation action of the vehicle, and The system comprises a power supply controller, a power supply control system, a control system and a control system, wherein the power supply controller is used for controlling a vehicle to run, the power supply control system comprises a power supply control system, a power supply control system and a control system, and is characterized by comprising a partitioning module, a development platform based on a preset AutoSar, a control system and a control system, wherein the power supply control system is used for partitioning the power supply control system into an application layer, an environment layer, a software layer and a hardware layer according to a preset communication mode among the plurality of target sensors, a steering motor, the power supply control system and the main controller and operation parameters of each target sensor, a voltage parameter, a current parameter and a temperature parameter of the power supply control system; The system comprises a communication service layer, a communication hardware abstraction layer, a hardware layer and a control layer, wherein the software layer provides basic software services of the steer-by-wire system, the communication service layer comprises communication protocol modules and places fault events of a sensor and a power-assisted steering motor in a diagnosis event management and communication diagnosis module in the communication service module to realize diagnosis of the fault events; judging the current communication state of the steering-by-wire system, if the current communication state is inconsistent with the preset communication state, judging that the current communication state of the steering-by-wire system has a fault, and generating fault information; After judging that the current communication state of the steer-by-wire system has faults and generating the fault information, the method is further used for analyzing the fault information to obtain fault reasons and positioning the fault position of the steer-by-wire system according to the fault reasons.
5. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor executing the program to implement the method of managing a steer-by-wire system of any of claims 1-3.
6. A computer-readable storage medium having stored thereon a computer program, characterized in that the program is executed by a processor for realizing the management method of the steer-by-wire system according to any one of claims 1-3.

Description

Management method and device of steer-by-wire system, electronic equipment and storage medium Technical Field The present application relates to the field of automatic driving technologies, and in particular, to a method and apparatus for managing a steer-by-wire system, an electronic device, and a storage medium. Background The stability and the safety of the steering system of the automobile play an important role in normal running of the automobile and reducing traffic accidents and guaranteeing the safety of personnel in the automobile. In recent years, the development of steer-by-wire technology is getting hotter and hotter, and the collected parameters of various sensors and steering execution motors are analyzed by a main controller of steer-by-wire to realize operations such as command control and the like of free steering of vehicles. For automatic driving, a steer-by-wire technology is indispensable, and the safety and stability of a system are critical to the stable operation of an automatic driving vehicle. The steering-by-wire technology of the related art does not involve specific architectural design and hierarchical management, because steering control in the automatic driving is quite important, and management of a large number of parameters, management and monitoring of a power supply, fault supervision, diagnosis, early warning and the like are also involved. Disclosure of Invention The application provides a management method, a device, electronic equipment and a storage medium of a steer-by-wire system, which are used for solving the problems that a specific architecture and layered management are not involved in the related technology, are convenient to manage, and can be used for rapidly positioning the problems in automatic driving. An embodiment of a first aspect of the present application provides a method for managing a steer-by-wire system, including determining a type of a main controller chip of the steer-by-wire system and a plurality of target sensors, determining a voltage parameter, a current parameter, and a temperature parameter of a power supply controller in the steer-by-wire system, and an operation parameter and a steering motor operation parameter of each of the plurality of target sensors according to a target operation action of a vehicle, and dividing the steer-by-wire system into an application layer, an environment layer, a software layer, and a hardware layer according to a preset communication mode among the plurality of target sensors, the steering motor, the power supply controller, and the main controller, and an operation parameter, a steering motor operation parameter, a voltage parameter, a current parameter, and a temperature parameter of each of the target sensors, based on a preset AutoSar (Automotive Open System Architecture, chinese is an open system architecture of the vehicle). Optionally, in some embodiments, the method for managing a steer-by-wire system further includes determining a current communication state of the steer-by-wire system, and if the current communication state is inconsistent with a preset communication state, determining that a fault exists in the current communication state of the steer-by-wire system, and generating fault information. Optionally, in some embodiments, after determining that a fault exists in the current communication state of the steer-by-wire system and generating the fault information, the method further comprises analyzing the fault information to obtain a fault reason, and positioning a fault position of the steer-by-wire system according to the fault reason. Optionally, in some embodiments, after determining that there is a fault in the current communication state of the steer-by-wire system and generating the fault information, generating alarm information according to the fault information is further included. Optionally, in some embodiments, the target sensor includes at least one of a torque sensor, a vehicle speed sensor, an angular velocity sensor, the steering motor, a front wheel steering angle sensor, and a rear wheel steering angle sensor. The embodiment of the second aspect of the application provides a management device of a steer-by-wire system, which comprises a first acquisition module, a second acquisition module and a division module, wherein the first acquisition module is used for determining a chip type of a main controller and a plurality of target sensors of the steer-by-wire system, the second acquisition module is used for determining a voltage parameter, a current parameter and a temperature parameter of a power supply controller in the steer-by-wire system, and an operation parameter and a steering motor operation parameter of each target sensor in the plurality of target sensors according to a target operation action of a vehicle, and the division module is used for dividing the steer-by-wire system into an application layer, an environment layer, a software layer and a hardwa