【摘要】 在阐述了电动助力转向系统(EPS)及其控制器(ECU)结构和工作原理的基础上,设计了基于ARM S3C44B0X单片机电动助力转向系统。通过方向控制电路、H桥电机驱动电路和PWM脉宽调制技术实现对电机的控制。研制的硬件控制器通过了有关的电气性能测试,对所设计的硬件系统进行了台架试验,试验结果证明了硬件系统设计的正确性。更多还原

【Abstract】 An embedded EPS system was designed,with a ARM chip as the core of the system.Electric power steering is a new power steering technology for vehicles.The power condition of a motor in an automobile EPS system can be adjusted according to road condition and automobile condition.Experimental results indicate that the essential functions of EPS can be optimally with the proposed control system.and meets the request of electric power steering.更多还原