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一辆奇瑞星途EX7在2026年4月驶下生产线时，车轮边的制动方式已经换了一个思路：坐标系智能的EMB随车进入量产。EMB，即线控制动，取消制动液和液压管路，直接通过轮端电机产生制动力；这项技术长期由博世、大陆、采埃孚等巨头争夺，如今却由一家年营收约2000万元的中国公司率先送上量产乘用车。
When a Chery Exeed EX7 rolled off the production line in April 2026, the braking method at the wheels reflected a new approach: Zuobiaoxi Intelligent’s EMB entered mass production with the vehicle. EMB, or brake-by-wire, eliminates brake fluid and hydraulic lines and generates braking force directly through motors at the wheels. The technology has long been contested by giants such as Bosch, Continental and ZF, but it has now been brought to a mass-produced passenger vehicle by a Chinese company with annual revenue of around 20 million yuan.
底盘的变化正在成组出现。蔚来ET9已经把线控转向、后轮转向与全主动悬架集成在一起，采埃孚提供的线控转向取消了方向盘与前轮之间的机械连接；腾势Z敞篷版搭载比亚迪全栈自研线控转向，全新一代理想L9 Livis则把线控转向、后轮转向、EMB和主动悬架放进同一套底盘体系。制动负责纵向运动，转向负责横向运动，悬架负责垂向控制，过去彼此独立的三套系统，开始由电子信号和底盘域控制器协同起来。
Changes to chassis systems are now appearing in groups. The NIO ET9 has integrated steer-by-wire, rear-wheel steering and full active suspension, while ZF’s steer-by-wire system eliminates the mechanical connection between the steering wheel and the front wheels. The Denza Z convertible features BYD’s fully self-developed steer-by-wire system, while the all-new Li Auto L9 Livis places steer-by-wire, rear-wheel steering, EMB and active suspension within the same chassis system. Braking controls longitudinal motion, steering controls lateral motion and suspension controls vertical movement. Three systems that were previously independent are beginning to work together through electronic signals and a chassis domain controller.
这解释了为什么供应商纷纷跨出原来的边界。伯特利从制动延伸到电动转向、线控转向、空气悬架和高级驾驶辅助系统；保隆从胎压监测传感器进入空气悬架；格陆博从一体式制动系统做到EMB、空气悬架和底盘域控制器。汽车只是在躲开一个障碍物，背后却可能同时调用转向、制动和悬架。只掌握其中一个零件，越来越难决定车辆最终“怎么动”。
This explains why suppliers are moving beyond their traditional boundaries. Bethel Automotive has expanded from braking into electric power steering, steer-by-wire, air suspension and advanced driver-assistance systems; Baolong has moved from tire-pressure-monitoring sensors into air suspension; and GLB has progressed from integrated braking systems to EMB, air suspension and chassis domain controllers. A car may simply be avoiding an obstacle, but behind the scenes it could be calling on steering, braking and suspension simultaneously. Controlling only one component is making it increasingly difficult to determine how the vehicle ultimately “moves.”
中国市场提供了另一种加速器。根据盖世汽车研究院的高级驾驶辅助系统配置数据库，2026年上半年，中国乘用车空气悬架标配市场中，孔辉科技、拓普、保隆合计占据91.4%的市场份额。空气悬架曾主要出现在奔驰S级、宝马7系和奥迪A8等豪华车型，如今更多中国车型装车，带来订单、规模、降本和再次装车的循环，也积累了匹配、标定、可靠性与制造一致性经验。
China’s market provides another accelerator. According to Gasgoo Research Institute’s advanced driver-assistance-system fitment database, in the first half of 2026, Konghui Technology, Tuopu and Baolong together held 91.4% of China’s passenger-car air-suspension standard-equipment market. Air suspension was once found mainly on luxury models such as the Mercedes-Benz S-Class, BMW 7 Series and Audi A8. It is now being installed on more Chinese models, creating a cycle of orders, scale, cost reductions and further vehicle fitments, while building experience in matching, calibration, reliability and manufacturing consistency.
具体来说，车企获得的是更紧密的整车运动控制，供应商获得的是从执行器走向系统和域控制的机会，海外客户看到的则不再只是一张更低的报价单。但EMB、主动悬架等技术仍处于产业化早期，可靠性、成本和规模制造问题尚未完全解决。博世预计，到2032年线控制动与线控转向累计销售额将超过70亿欧元；与此同时，采埃孚中国团队主导的主动式后轮转向项目已在张家港投产，公司相关产能面向国内外市场。
Specifically, automakers gain tighter whole-vehicle motion control, suppliers gain an opportunity to move from actuators to systems and domain control, and overseas customers see more than simply a lower quotation. However, technologies such as EMB and active suspension remain in the early stages of industrialization, and questions around reliability, cost and large-scale manufacturing have not been fully resolved. Bosch expects cumulative sales of brake-by-wire and steer-by-wire systems to exceed 7 billion euros by 2032. Meanwhile, an active rear-wheel-steering project led by ZF’s Chinese team has entered production in Zhangjiagang, with the company’s related capacity serving domestic and overseas markets.