Vehicle Dynamics Electric Control Systems for （车辆动力学电气控制系统）.pdf

Vehicle Dynamics Electric Control Systems for Safe Driving 222 Vehicle Dynamics Electric Control Systems for Safe Driving Nobuyuki Ueki OVERVIEW: Vehicle dynamics control systems are roughly divided into three Jun Kubo categories: brake, steering and suspension. The more sophisticated and specialized each category gets, the fewer manufacturers are capable of Toshio Takayama developing these systems comprehensively. Automotive Systems Group- Issei Kanari centered Hitachi, Ltd., utilizes vehicle dynamics control actuation Masaaki Uchiyama technologies, and is working to develop x-by-wire technologies, to improve the fundamental vehicle functions of driving, cornering and braking. INTRODUCTION SBW (steer-by-wire) will be central to future ELECTRIC brake control technologies are being technologies. steadily developed and applied in stability control Regarding suspension systems, semi-active systems and brake-by-wire based on the ABS (anti- suspension systems and active suspension systems lock braking systems), and Hitachi, Ltd. has been have already been used in practical applications at the working to develop electromechanical brake systems, early stage to improve driving stability and ride quality. in terms of future brake-by-wire, to the practical For the future, we focus on developing vehicle roll application phase.