开源证券：法规松绑助力线控量产落地 EMB/SBW有望加速普及

Core Insights - The report from Kaiyuan Securities indicates that the braking system can be divided into control, power supply, transmission, and braking devices, with the upgrade process based on the electronicization of structural components [1][3] - The market for braking systems in China is expected to reach a scale of 50 billion by 2030, with the electronic mechanical brake (EMB) market projected at 16.4 billion [3] - The domestic production rhythm of local manufacturers is expected to be close to that of international giants like Bosch, allowing for competitive positioning [3] Summary by Category Braking Systems - The braking system is categorized into control, power supply, transmission, and braking devices, with the electronicization process being crucial for upgrades [1][3] - EMB is expected to benefit from regulatory relaxations starting in 2025, allowing for domestic mass production and potential overseas expansion [3] - The anticipated mass release of EMB-equipped vehicles is expected by the end of this year or early next year [3] Market Size and Dynamics - The domestic braking market is projected to reach 50 billion by 2030, with the EMB segment alone expected to be 16.4 billion [3] - Considering overseas markets and Robotaxi, the overall market size is likely to expand further [3] - The domestic market for line control chassis is expected to exceed 100 billion by 2030, with significant opportunities for local suppliers [1] Line Control Steering - Line control steering is crucial for enhancing driving experience and ensuring safety in advanced driving scenarios [2] - The SBW (Steer-by-Wire) system is seen as essential for L4/L5 autonomous driving, with potential benefits in cabin space and maneuverability [4] - The market for steering systems is expected to reach 50 billion by 2030, with SBW projected at 21.5 billion [4] Future Trends - The next generation of intelligent chassis is expected to break traditional system boundaries, integrating braking, driving, and steering through "corner modules" [6] - This integration aims to address issues such as control lag and pitch effects seen in early smart vehicles [6] Investment Opportunities - Companies with comprehensive platform capabilities in chassis systems and upstream motor/lead screw technologies are recommended for investment, including companies like Nissin Brake (01316), Zhejiang Shibao (01057), and others [7]