双闭环转速控制系统超调小、过渡时间短，性能要好于单闭环系统。
Double closed loop system has a little overshoot and short transition time, whose performance is better than single closed loop system.
仿真结果表明，通过实施优化控制，能够使产品牌号切换过程的过渡时间和过渡料数量降低60％以上。
Simulation results show that through implementation of optimal control, the transition time and off-spec product can be reduced over 60% in the polypropylene grade transition.
基于部分反馈线性化与LQR方法结合的控制策略摇起时间短，控制器之间过渡平稳，但它有成功率不高、参数难调的缺点。
To solve the problems in pendubot strategy based on partial feedback linearization and LQR, another control strategy based on fuzzy control and LQR is proposed.
结果表明用这种方法设计的控制器具有较强的稳态性能和负载鲁棒性，其过渡过程的时间响应有待进一步提高。
Satisfied steady state performance and load robustness are shown in the simulation results and the transitional time response should be improved in further study.
酸性腐蚀与生锈是由机油成分所控制的，而磨料磨损是由空气、机油过渡与机油更换间隔时间所控制的。
Acidic corrosion and rusting are controlled by formulation of the oil while the abrasive wear is controlled by air and oil filtration and oil drain intervals.
酸性腐蚀与生锈是由机油成分所控制的，而磨料磨损是由空气、机油过渡与机油更换间隔时间所控制的。
Acidic corrosion and rusting are controlled by formulation of the oil while the abrasive wear is controlled by air and oil filtration and oil drain intervals.
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