Modularized unmanned driving fault diagnosis system based on domain controller

Abstract

The invention discloses a modular unmanned driving fault diagnosis system based on a domain controller, which comprises a microcontroller, the microcontroller belongs to one part of the domain controller and is suitable for interacting fault diagnosis information with other parts of the domain controller, and the fault diagnosis information at least comprises sensor fault diagnosis information; a software architecture of the microcontroller comprises an application layer and a base layer, the application layer comprises a fault diagnosis unit and a regulation and control unit, and the regulation and control unit is suitable for performing fault response according to fault level information provided by the fault diagnosis unit and making a decision on whether to suppress ADAS related functions. The running state of the pilotless automobile can be monitored in real time, fault reasons are positioned in time and fault response is carried out after the automobile breaks down, and the safety of the automobile and personnel is guaranteed.

Description

technical field [0001] The invention relates to a domain controller-based modular unmanned driving fault diagnosis system, which belongs to the technical field of automatic driving. Background technique [0002] An unmanned vehicle is an intelligent vehicle that is based on a traditional vehicle and integrates multiple sensors, such as lidar, millimeter-wave radar, and cameras. With the increase in the number of sensors and control units on the vehicle, although more and more intelligent driving functions can be realized, the body weight, wiring harness length and complexity, and the complexity of the vehicle structure will also increase sharply, which not only affects the vehicle dynamics And economy, will inevitably bring many uncertain potential risks. [0003] Autonomous vehicle sensors are used to detect obstacles, help the vehicle perceive its surroundings, and have a major impact on fusion, planning, and control functions. At present, most unmanned vehicles have not...

AI Technical Summary

Problems solved by technology

At present, most unmanned vehicles have not yet carried out diagnosis and testing of each sensor, and cannot obtain the working status of the sensor. When the sensor fails, it cannot make the correct decision, which makes the automatic driving of the vehicle very risky, and cannot be quickly located in the after-sales stage. Failure problems, affecting the maintenance efficiency of vehicles

Even if some unmanned vehicles have diagnostic designs for sensors, they are only scattered in each control chip without overall diagnostic design. In the actual development process, problems such as missing diagnostic items and chaotic fault response management are likely to occur, which eventually lead to decision-making. mistake

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