Huan Qiu Wang·2025-12-09 05:04Core Viewpoint - The approval and implementation of the national standard GB17675-2025 for steer-by-wire systems in China marks a significant milestone in the automotive industry, transitioning from mechanical connections to advanced electronic steering technologies [1][5][10] Group 1: Technology Development - Steer-by-wire technology, originating from aerospace applications, has evolved over two decades to address the complexities of automotive environments, requiring a robust underlying architecture for reliability [2][5] - The new standard defines stringent safety and performance benchmarks, mandating dual redundancy in power, communication, and control systems to ensure steering functionality is maintained even in the event of a single failure [5][9] Group 2: Industry Impact - NIO's ET9 is the first mass-produced vehicle in China to utilize steer-by-wire technology, set to begin deliveries in Q1 2025, representing a critical industrial breakthrough in the smart electric vehicle era [4][10] - The establishment of the national standard is expected to streamline R&D and collaboration costs across the automotive supply chain, providing clear technical guidelines for component suppliers [9][10] Group 3: Consumer Experience - The steer-by-wire system allows for real-time adjustment of steering ratios, enhancing user experience during maneuvers such as parking, and enabling more precise control for autonomous driving algorithms [9][10] - The transition to steer-by-wire technology simplifies vehicle structure, reduces component complexity, and optimizes space and performance, paving the way for future software-defined vehicle features [9][10]