电液负载仿真台多余力矩的理论分析及其克服方法的探讨

The theoretical analysis of the disturbance torque in electrohydraulic simulator and the study of methods to overcome it

本文针对电液负载仿真台加载系统中存在多余力矩的特殊问题，从理论上深入地分析了多余力矩产生机理，并阐明控制系统的静态和动态特性与多余力矩的关系。基于理论分析的结论，给出了克服多余力矩的有效方法。

Considering the special problem of disturbance torque existing in the loading system of electrohydraulic load simulator, this paper analyzes the cause of the disturbance torque occurring and indicates the relations of disturbance torque to the static and dynamic performances of the control system. Based on theoretical analysis, the effective methods to overcome the disturbance torque are put forward.