The results prove that Neural-PID can solve the problem of the electro-hydraulic position servo system and it is a practical and feasible control tactic.
实践证明，神经PID控制策略能较好地解决电液位置伺服系统存在的问题，是一种实用可行的控制策略。
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Servo-drive of virtual-axis machine is always a problem in control theory and application technology because it has strong coupling.
The parameter identification of joining stiffness of rudder hydraulic servo mechanism can be done by using the direct method of characteristic equation anti problem.