Based on the hardware structure and operation principle of the missile rudder electric loading system , the causation , mathematic model and test method of surplus torque are analyzed 基于实时性要求极高的导弹尾翼电动加载系统的硬件结构和控制原理，研究了多余力的产生原因、理论计算和消除方法。
The elimination of plus torque in electric loading system is resolved well by this method , and it has referenced value to thorough research in electric loading system 在某飞行器模拟加载系统中，使用此方法进行转动惯量的测量和多余力的消除，取得了较为理想的结果，对电动加载系统的进一步研究具有参考价值。
Some effective methods are presented to eliminate the extra force in this dissertation , such as integral detached pid control , position synchronous compensation , and velocity feedback 为了达到用户要求的指标，文章中采取了一些方法有效地减小了多余力。比如积分分离的pid控制、位置同步补偿和速度补偿的方法。
The conclusions are : internal feedback has superior performance to a conventional feedforward control in master - slave system force tracking electro - hydraulic loading to reduce disturbance force and improve the dynamic behavior 仿真结果表明，内部反馈在主从电液跟踪加载控制中能减小多余力的影响，系统特性的改善优于传统的前馈方法。
It is the major task that how to take the advantage of digital control technology and use control algorithm to eliminate the surplus force as could as possible , and enhance the loading characteristics 如何利用计算机数字控制的优点和特点，结合控制算法的研究成果，最大限度的消除多余力，提高加载性能是本文进行课题研究的重点内容。
The technical noduses of the harmony loading system , such as multi - channel signal synchroniza - tion , signal phase modulating and frequency excursion control are discussed . the key steps and actualization details are also provided 同时，论文探讨了协调加载控制系统的主要技术问题，如多余力、多通道相位协调和频率漂移的控制等，并给出了系统实现的细节。
Because fin stabilizer loading system is a typical passive loading system , the large surplus force caused by the fin stabilizer displacement seriously affects the static and dynamic of digital performances of the loading system 电液加载系统是典型的被动式电液力伺服系统，由于受到减摇鳍鳍角的强干扰引起很大的多余力，多余力严重地影响加载系统的静、动态特性。
The analysis indicates that the large variation of the object parameters , redundant force , deformation of the specimen and the disturbance caused by the frictional moment are four major factors affecting the degree of control accuracy 对系统的分析表明：被控对象参数的大范围变化、多余力、试件扭转变形对负载流量的干扰以及摩擦力矩干扰是影响控制精度的四个主要因素。
After reading numerous literatures and reference materials related at domestic and overseas , the research achievement about surplus force is summarized . research direction and content are decided by analyzing the merit and shortcoming of related products and control methods 本文在查阅大量国内外资料的基础上,概述了国内外学者克服多余力的研究成果,分析了它们的优缺点,确定了本文的研究内容和方向。
Redundant force , which is produced through position disturbance , is the most important problem facing aerodynamic loading system . so how to minish the redundant force by selecting proper control strategy is a main aspect discussed in this paper 加载系统最为关键、也是最难解决的问题就是如何减小多余力，这也是评价加载系统品质的一个重要的指标，因此，如何通过控制策略来减小多余力是本文主要考虑的问题。
