摘要
从操控性和能耗的角度说明了提高商用车转向系统性能的重要性,分析了当前商用车上液压助力转向(HPS)、电控液压转向(ECHPS)、电动液压助力转向(EHPS)和电动助力转向(EPS)等转向系统的技术特点和能耗情况;通过计算重型商用车原地转向的阻力矩,指出了重型商用车对转向系统的功率要求;展望了商用车转向系统的发展方向,即高电压系统下的大功率电动助力转向,或在HPS的转向泵与发动机之间增加控制装置,实现"按需"输出转向功率,既保证转向操纵安全性和稳定性,又降低商用车转向系统的能耗。
The importance of improving the performance of commercial vehicle steering system was demonstrated in terms of maneuverability and energy consumption.The technical features and situation of energy consumption of various commercial vehi-cle steering systems were contrastively analyzed, including hydraulic power steering ( HPS) , electronically controlled hydraulic steering ( ECHPS) , electric hydraulic power steering ( EHPS) , electric power steering ( EPS) and so on.Through the calcula-tion of steering resisting torque of heavy-duty commercial vehicles, the steering system power requirement on heavy commercial vehicle was presented.Based on the above analysis, the future development of commercial vehicle steering system was concluded that it is high-power EPS actuated by high voltage electric system or a newly steering system equipped with adjusting device be-tween the engine and the hydraulic power steering pump transmitting power as needed, which both ensures steering safety and sta-bility, and reduces energy consumption of commercial vehicle steering system.
出处
《武汉理工大学学报(信息与管理工程版)》
CAS
2015年第5期580-584,共5页
Journal of Wuhan University of Technology:Information & Management Engineering
基金
国家自然科学基金资助项目(51275211)
江苏省第4期"333工程"科研基金资助项目(BRA2013217)
江苏省高校自然科学基金资助项目(14KJB580003)
江苏大学高级人才科研启动基金资助项目(15JDG093)
关键词
商用车
转向系统
操控性
能耗分析
commercial vehicle
steering system
maneuverability
energy consumption