针对发动机振动主动控制系统设计了一种高性能电磁反力作动器。
A high performance electromagnetic counter-force actuator is designed for engine active vibration control system.
通过对该控制系统简化分析，从理论上探讨结构声自适应主动控制系统鲁棒性能及其最优实现问题。
The results show that main progress has been made towards controlling structurally radiated noise by adaptive active means applied directly to the vibrating structure.
由各种情况的闭环输出曲线和控制量变化曲线分析比较可知，模型算法控制应用与半主动控制系统有着良好的控制性能。
Many simulation curves are given after analyzing those curves we can draw a conclusion that Model algorithm control algorithm can improve the control property of system greatly.
同时，研究表明：主、被动控制技术相结合的控制系统的性能比只有主动控制或者只有被动控制的控制系统要好。
Meanwhile, the research also shows that a system with the active control combined with passive control is better than those systems with only active or passive control.
同时，研究表明：主、被动控制技术相结合的控制系统的性能比只有主动控制或者只有被动控制的控制系统要好。
Meanwhile, the research also shows that a system with the active control combined with passive control is better than those systems with only active or passive control.
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