摘要
由于直流电机控制器是电动车中的核心部件,又是故障率最高的部件,其损坏的主要原因是车辆持续重载运行时控制器功耗过大,而控制器通常又都安装在较密闭的空间里,通风不良,散热条件差,若功耗大就会造成温度快速升高,容易发生过热损坏。针对当前直流电机控制器续流损耗大、效率低的问题,提出了基于同步续流的直流电机控制系统设计方案,通过Matlab建立系统仿真模型,进行相关仿真研究来验证方案的可行性,大量的仿真研究结果证明了设计方案的正确性。
Although DC motor controller is the core component in EV（Electric Vehicle）,it has the highest breakdown rate.It’s because that controller’s power dissipation is very high when EV receives heavy load continuously and controller is fixed in airtight space with poor ventilation and heat exchange.If power dissipation is high,controller would achieve a faster temperature increase and cause controller burn down.In the face of high freewheeling power dissipation and low efficiency,DC motor controller based on synchronous freewheeling project is proposed.Simulation model and research result through Matlab verifies the feasibility of project.
出处
《自动化技术与应用》
2010年第10期27-31,共5页
Techniques of Automation and Applications
关键词
电机控制器
同步续流
功耗
MATLAB
仿真模型
motor controller
synchronous freewheeling
power dissipation
matlab
simulation model
