摘要
基于目前双联液压马达/泵的工作方式提出一种新型的泵、马达双用工作方式,以模拟火炮随动系统在实际不同运行过程中的各种负载情况。建立了泵、马达工作状态的数学模型,研究了基于干扰观测器和非线性PID控制器的电液模拟加载控制方法,有效地抑制了干扰力矩,提高了系统的跟踪性能。仿真结果表明:泵、马达双用控制策略能够有效地模拟各种力矩,且在观测器补偿与PID控制器并用控制时能够取得较好的载荷谱跟踪性能。
A new type of dual-uses of pump and motor work was put forward based on the double-hydraulic motor/pump to simulate different varieties of loads of gun servo system with the actual operation of gun servo system,and the mathematical models of two work states of pump and motor were established.The electro-hydraulic load control method based on the interference observers and a non-linear PID was studied,which the disturbing torque was inhibited effectively and the tracking performance of the system was improved.Simulation results show that the control strategy of dual-uses of pump and motor can simulate varieties of torque effectively,and achieve preferably tracking performance of the load spectrum owing to the uses of observer compensation and PID controller.
出处
《中国机械工程》
EI
CAS
CSCD
北大核心
2010年第9期1040-1045,共6页
China Mechanical Engineering
