电源特性对电子机械制动防抱死性能的影响研究  

Effect of the Characteristics of Power Supply on the Anti-lock Braking Behaviors of a Brake-by-wire System

作　　者：赵国柱[1,2] 魏民祥[1] 

机构地区：[1]南京航空航天大学能源与动力工程学院,南京210016 [2]南京农业大学工学院,南京210031

出　　处：《机械科学与技术》2011年第1期108-111,115,共5页Mechanical Science and Technology for Aerospace Engineering

基　　金：江苏省农机基金项目(GXZ05004)资助

摘　　要：为研究电子机械制动系统(EMBS)的电源特性对其制动防抱死性能的影响,阐述了EMBS制动防抱死工作原理,建立了带有EMBS的单轮车辆动力学模型,以脉宽调制变换器的占空比为控制量,设计了基于车轮滑移率的制动防抱死滑模变结构控制器。对控制模型在Matlab/Simulink环境下进行的仿真分析结果表明:系统具有良好的稳定性,快速性与足够的鲁棒性;采用双极性脉宽调制时系统的动态性能优于采用单极性脉宽调制时的情形。To study the effect of the characteristics of power supply on anti-lock braking performances of an Electro-Mechanical Brake system（EMBS）,a single wheel vehicle dynamics model was proposed.The ABS（anti-lock brake system） controller was designed based on sliding mode variable structure control theory using duty cycle of pulse width modulation（PWM） as a controlling parameter.The simulation analysis of this system was carried out in Matlab/Simulink.The results indicate that this system has good stability,rapid response and sufficient robustness.The dynamic performance by adopting the bipolar PWM are much better than that by adopting unipolar PWM.

关 键 词：电子机械制动 脉宽调制 变结构控制 制动防抱死 仿真 

分 类 号：U463.5[机械工程—车辆工程]