为线控转向划定安全边界 汽车转向强制性国标发布

Core Viewpoint - The approval and implementation of the mandatory national standard "Basic Requirements for Automotive Steering Systems" by the State Administration for Market Regulation (SAMR) is significant for defining technical requirements and testing methods for automotive steering systems, particularly for steer-by-wire technology, which enhances safety and guides the development of steering systems in China [1][2]. Group 1: Safety Enhancements - The standard emphasizes safety by detailing failure provisions for steer-by-wire systems, including strategies for different failure scenarios such as power source failure and control transmission failure, ensuring driving safety [2]. - It includes mechanisms for alerting users about the aging state and performance deficiencies of the steer-by-wire power supply, mitigating potential risks and ensuring long-term safe operation of the system [2]. Group 2: Reliability and Execution - The standard addresses the increasing reliance on electronic control systems in steering systems, particularly for steer-by-wire systems, by specifying functional safety requirements to prevent unreasonable risks due to electrical or electronic system failures [2]. - To enhance the enforceability of the standard, revisions have been made to the functional safety verification testing requirements, clarifying typical test cases to provide technical basis for inspection and testing organizations [2].