The output speed can also change high in a wide range . focusing on ultra - low speed performance , the author study motor designing , computer control technology and control strategy on the hydraulic servo system 因此,本文以连续回转伺服马达为重点研究对象和研究中心,以马达的超低速实现为突破口,兼顾高频响性能。
To the ultra - low speed 、 high - frequency and wide - speed range performance index of electro - hydraulic simulator , the paper analyze the theory and structure designing of middle hollow electrohydraulic servomotor 针对液压仿真转台提出的超低速、宽调速、高频响等性能指标,文章对中空电液伺服马达进行了理论分析和结构研究。
Author summarizes the key points in aluminum case crehsm design in the eyes of engineers . the mathematical model of electro - hydraulic position servo system with aluminum case crehsm is built in this paper 文章以铝壳连续回转伺服马达为执行元件,搭建仿真转台电液位置伺服系统模型,建立了电液位置伺服系统的数学模型。
After synthesizing a lot of related literatures , the paper brief review the studying status of the simulator position servo system , the development of the servomotor and the key technology of simulator 在查阅了大量相关文献的基础上,文章简要的回顾了仿真转台位置伺服系统研究进展及伺服马达的发展概况和仿真转台的关键技术。
Crehsm breaks through the revolving angle limit of the swing motors on turn tables and can expend application of hydraulic turn tables . the system with crehsm should be able to work at ultra - low speed and output heavy torque with high frequency response 仿真转台直接驱动用的连续回转电液伺服马达应实现超低速、高精度、宽调速、高频响等性能指标的要求。
In order to make a clear technical analysis on it , author sets out research work with it ’ s principal and derives basic formula which makes it clear why crehsm can performance ultra - low speed without velocity pause 从连续回转伺服马达的结构模型入手,分析了新型马达可以实现转速、流量和理论输出扭矩的无脉动。针对马达超低速的特性,作者提出了改善其性能的措施。
Continuous revolving electro - hydraulic servo motors ( crehsm , for short ) are key parts of the hydraulic turn tables which are semi - object simulating equipments which are always driven by swing motors and have great value in our national defense 液压仿真转台一般由摆动马达驱动。仿真转台用连续回转伺服马达克服了摆动式仿真转台马达的转角限制,可以拓宽高性能液压仿真转台的应用领域。
The paper makes a systematic study on frictional torque model for hydraulic system , after the analysis of the ultra ? low speed principle of closed - loop system , it can be concluded that the existence of the difference between static frictional and dynamic frictional torque , and the periodic saltation of the dynamic frictional torque , are the main reasons of the low speed stick - skip to the electrohydraulic position servo system 针对伺服马达的低速性能,进行了低速实验研究,并兼顾快速性能进行了阶跃响应和正弦响应实验研究,对实验结果进行了分析,得出了一些有价值的结论,提出下一阶段进行实验的建议。
The paper regards the middle hollow electrohydraulic servomotor as studying object and build the mathematical model , the stability and the frequency response of opened - loop and closed - loop system are analyzed . this paper discusses the influences of steady error and static error on system precision in detail 文章以中空电液伺服马达为研究对象,建立了电液位置伺服系统数学模型,分析了系统的稳定性、开环和闭环的频率特性,详细探讨了系统的稳态误差和静态误差对系统精度的影响。
Its perfomance indexs directly relate to the fidelity of simulation results . with the present increasingly austere international situation and the development of modern military techniques in china , the demands for technical level , applying range and request for simulator become higher and higher . based on this background , middle hollow electrohydraulic servomotor directly driving simulator and its control system are studied in the article 随着当前国际形势的日益严峻和我国现代军事技术的不断发展,对仿真转台的技术水平、应用范围和使用要求不断提高,在此背景下,本文进行了仿真转台直接驱动式中空电液伺服马达及其控制系统的研究。
