EPS monitoring system

A technology of monitoring system and monitoring module, which is applied in the direction of steering mechanism, electric steering mechanism, power steering mechanism, etc. It can solve the difficulty of controller fault troubleshooting, does not contain fault management function, and the safety level does not meet the requirements of ASIL-D level, etc. question

Pending Publication Date: 2021-12-31
LIANCHUANG AUTOMOBILE ELECTRONICS
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 2. The application layer (APPL) in the traditional software architecture does not contain fault management functions, which will cause the controller (ECU) to fail and it is very difficult to troubleshoot the fault
[0009] 3. In the pr

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • EPS monitoring system
  • EPS monitoring system
  • EPS monitoring system

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example ；

[0058] The present invention provides a feasible embodiment of an EPS monitoring system, including:

[0059] ECU function module, which is used to execute ECU functions, including but not limited to torque control, ECU component monitoring and verification, which only interacts with the function monitoring module for safety data;

[0060] Function monitoring module, which performs fault monitoring and fault management on safety-related data and programs in ECU function modules according to internally defined algorithms;

[0061] The controller monitoring module performs fault management and fault monitoring on the ECU function module and the function monitoring module based on hardware.

[0062] The software architecture of the EPS monitoring system provided by the present invention is divided into: function application layer (ECU function module), function monitoring layer (function monitoring module) and controller monitoring layer (controller monitoring module, can satisfy ...

no. 2 example ；

[0064] Based on the general design system of the present invention, a feasible embodiment of the EPS monitoring system is provided, and the software architecture refers to figure 2 As shown, the system structure reference image 3 shown, including:

[0065] The ECU function module is the application component 1, as the first layer of the architecture, exemplary includes: torque angle sensor, torque ring, application interface, communication management; figure 2 In the AUTOSAR real-time operating environment, the RTE transmission is used for the torque sensor and the torque loop. The data of the torque sensor and the torque loop are used to perform torque control, and they are not used as safety data. Therefore, the ECU function module is the application component 1 Only perform security data interaction with the function monitoring module, that is, the application security component 2;

[0066] Application component 1 is on the top layer of the entire monitoring system, real...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses an EPS monitoring system, and the system comprises: an ECU function module which is used for executing ECU functions, including but not limited to torque control and ECU assembly monitoring and verification, and only carries out the safety data interaction with a function monitoring module; a function monitoring module which performs fault monitoring and fault management on safety-related data and programs in the ECU function module according to an internal definition algorithm; and a controller monitoring module which performs fault management and fault monitoring on the ECU function module and the function monitoring module based on hardware. According to the invention, in the aspect of function safety, the ASIL-D level function safety requirement of the ISO6262 standard can be met, the product requirement of a steering system is met, the safety is enhanced, and the life and property damage caused by vehicle faults to people is also reduced. The highest requirements of the AUTOSAR specification and the E-GAS specification are met at the same time in the aspect of software architecture. Therefore, the safety requirement of the controller can be improved, and the risk caused by software failure of the steering system is reduced.

Description

technical field [0001] The invention relates to the field of automobiles, in particular to an EPS (electric power steering system) monitoring system. Background technique [0002] In the field of automotive controllers, there are more and more functions in the car, and the number of control units in the vehicle is increasing rapidly. The connection with functional safety is closer, and the safety risk of electronic failure in the car is also increasing. The development of electronic control systems is facing With more and more challenges. In the development process of the control unit ECU, the software part is relatively dependent on the hardware and system configuration, and the fine-tuning of the hardware may lead to software rewriting or a large number of modifications. [0003] AUTOSAR, the full name is Automotive Open System Architecture, which is the automotive open system architecture. It is a cooperative development framework for automotive electronic systems that ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): B62D5/04
CPCB62D5/0481
Inventor 陈祎泓牛占占李兵李振鹏罗毅张小乐
Owner LIANCHUANG AUTOMOBILE ELECTRONICS
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap