方向控制阀 directing-control valve; directioal control valve; direction control valve; direction-control valve; directional control valves; directional controls
Alter unidirectional controll into bidirecional controll 改闭路电视单向控制为双向控制
While owing to the right control theory established by our country we had also set up a kind of pure control process in the operation of the administrative power , which is rather different from the one in the western countries 他完全不同于我们东方国家在管理论这种行政法理论基础模式之上建立的那种行政权单向控制机制,后者是从行政主体的角度出发,对行政相对人进行严格的控制。
Abstract : according to the characterestic of resistance furnace temperature control , temperature rising one - way control , large time delay and time - variation of parameter , using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler . in order to increase control system precision , it gives a fuzzy variable k , and sets parameter self - adjusting fuzzy control system . this system can on line self - adjusting controller parameters according to the error and variations of the error . it makes the system steady precision improved 文摘:根据电阻炉温控制的特点,即只有升温单向控制、滞后较大且具有参数时变性,利用模糊推理合成法建立模糊模型并进行模糊控制器设计,为提高模糊控制的精度,引入模糊变量k ,构成参数自调整模糊控制系统.该系统可根据误差和误差变化在线自动调整控制器参数,使系统的稳态精度得到改善
According to the characterestic of resistance furnace temperature control , temperature rising one - way control , large time delay and time - variation of parameter , using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler . in order to increase control system precision , it gives a fuzzy variable k , and sets parameter self - adjusting fuzzy control system . this system can on line self - adjusting controller parameters according to the error and variations of the error . it makes the system steady precision improved 根据电阻炉温控制的特点,即只有升温单向控制、滞后较大且具有参数时变性,利用模糊推理合成法建立模糊模型并进行模糊控制器设计,为提高模糊控制的精度,引入模糊变量k ,构成参数自调整模糊控制系统.该系统可根据误差和误差变化在线自动调整控制器参数,使系统的稳态精度得到改善