基于参数对比的凸轮转子伺服马达优化设计

中国机械工程 ›› 2014, Vol. 25 ›› Issue (18): 2421-2426.

基于参数对比的凸轮转子伺服马达优化设计

徐川辉1;王旭永1;张文俊1;苗中华2

1.上海交通大学,上海,200240
2.上海大学,上海,200072

出版日期:2014-09-25 发布日期:2014-09-26
基金资助:
国家自然科学基金资助项目(51275288,51375293);上海市科研创新资助项目(12YZ010)

Optimal Design Theory of Cam-rotor Servomotor Based on Parameter Comparisons

Xu Chuanhui1;Wang Xuyong1;Zhang Wenjun1;Miao Zhonghua2

1.Shanghai Jiaotong University,Shanghai,200240;;
2.Shanghai University,Shanghai,200072

Online:2014-09-25 Published:2014-09-26
Supported by:
National Natural Science Foundation of China（No. 51275288,51375293）

摘要/Abstract

摘要：

针对目前用于连续回转伺服驱动的液压马达品种类型不多的特点，对一种新型的凸轮转子叶片马达进行了研究，提出了基于参数对比的伺服马达优化设计方法。通过对过渡曲线压力角、马达排量公式、马达瞬时流量脉动率以及凸轮正压力的解析式推导及分析，得出了压力角与凸轮大小半径、马达排量与凸轮轴向长度、流量脉动率与叶片厚度以及凸轮正压力与叶片径向长度之间的关系。通过仿真时的参数对比，得到了马达最关键的两个零件即凸轮转子和叶片的优化参数。基于该优化参数设计的液压凸轮转子叶片马达被成功地应用到连续回转电液伺服系统中,并得到了良好的伺服精度，从而证明了马达参数优化设计的可行性和有效性。

关键词: 凸轮转子, 叶片马达, 过渡曲线, 流量脉动, 伺服马达

Abstract:

Because the type of hydraulic motor using for continuous revolving servo drive is not so much, research on a novel cam-rotor vane motor was carried out and an optimal design theory based on parameter comparisons was proposed herein. The relationships among the press angle and the cam radius, the motor displacement and the axial length of cam, the flow fluctuation rate and vane thickness, the positive pressure of the motor's cam and the radial length of vane were obtained based on the analytical derivation and analyses of pressure angle of transition curve, motor's displacement formula, motor's instantaneous flow fluctuation rate and positive pressure of the motor's cam. Optimized parameters of cam-rotor and vane which were the most important parts of the motor were obtained from the simulation comparisons of different parameters. The hydraulic servo cam rotor vane motor designed with the optimized parameters is successfully applied to the continuous revolving electro-hydraulic servo system and shows a very good servo precision, proves the feasibility and effectiveness of the optimal design theory herein.

Key words: cam-rotor, vane motor, transition curve, flow fluctuation, servo motor

中图分类号:

TH122

徐川辉, 王旭永, 张文俊, 苗中华. 基于参数对比的凸轮转子伺服马达优化设计[J]. 中国机械工程, 2014, 25(18): 2421-2426.

Xu Chuanhui, Wang Xuyong, Zhang Wenjun, Miao Zhonghua. Optimal Design Theory of Cam-rotor Servomotor Based on Parameter Comparisons[J]. China Mechanical Engineering, 2014, 25(18): 2421-2426.

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