By using lyapunov method , the state of the closed - loop control system is proved to be bounded , with tracking error converging to zero 运用李亚普诺夫第二方法,先证明了闭环模糊控制系统全状态有界,再证明了跟踪误差收敛到零。
We mainly research on fault detection of closed - loop control systems and adaptive reconfiguration control based on fault detection and its application on flight control systems 本文主要研究了闭环控制系统的故障检测和基于故障检测的自适应重构控制在飞行控制系统中的应用。
Piezo - electrical ultrasonic motors were used to drive the linear slideways supported by the cross roller bearings , position information was fed back by the optical encoders , the total closed - loop control system was constituted 伺服机构采用压电超声电机直接驱动由滚柱导轨支承的直线工作台,通过高精度光栅尺构成全闭环反馈。
The design schemes of the control system are important parts of the paper . first the writer designs an open - loop and close - loop control system by mc33035 and mc33039 . the control system is applied for low - power motor 电机控制系统设计是本文论述的重点,作者首先采用专用集成芯片mc33035和mc33039设计出一个电机开环-闭环控制系统,这是一个适合小功率电机的控制系统。
A supervisory controller is used to ensure the state of the closed - loop control system bounded , and then genetic algorithm is used to adjust the parameters of the fuzzy system so that they can converge to the best values in probability meaning 在加入监督控制项保证闭环控制系统状态有界的前提下,应用遗传算法调节模糊控制器参数,使得控制器参数在概率意义上收敛到最优值。
The simulation model of pmsm close - loop control system is presented based on pwm inverter model and switching vector table model set up by the author and pmsm model in matlab . the model is proved correct from the simulation result 然后在自行构造逆变器,开关电压矢量表等模块的基础上,利用matlab中的永磁同步电机模型,实现了永磁同步电机闭环控制系统的仿真模型,仿真结果验证了方案的正确性。
Abstract this is a part of the major scientific research sub - project in the ninth five - year plan . the software of shape meter computer automatic control system plays very important role in development of the shape meter closed - loop control system 课题来源于“九五”国家重点科技公关项目子专题“冷轧板机板形控制系统研制” ,工业控制计算机板形控制软件的开发对完成板形闭环控制系统起重要作用。
The schemes presented can guarantee the global stable of the closed - loop control systems with tracking errors converging to zero , while the modeling errors exist . they can improve the performance of the closed - loop control systems and their robustness 提出的模糊控制器设计方案在建模误差存在的情况下,能够保证闭环系统全局稳定,且系统跟踪误差收敛到零;能够改善控制系统的性能,提高控制系统的鲁棒性。
( 3 ) considering that lots of fault detection methods are based on observers , we combine the new methods with the observer - based fault detection of closed - loop control systems . and its simulation confirmation is done on a simplified flight control model ( 3 )基于很多系统的故障检测方法都是基于观测器的考虑,将新方法与基于观测器的闭环系统故障检测方法相结合,并在一个简化的飞行控制模型中,对该方法进行了仿真验证。
This system take the industry computer and the programmable controller as a control core , step - motor , the frequency changer and the ac machine does for the execution , matches by the sensor and its the periphery connection electric circuit , formed a pair the closed - loop control system 本系统以工业计算机和可编程控制器为核心,步进电机、变频器与交流电机做为执行器,配以传感器及其外围接口电路,构成双闭环控制系统。