Usually, only siep future desired singals are utilized in the field of preview servo systems design. In this paper, we discuss the design problem of optimal preview servo system while the future desired signal and fut...Usually, only siep future desired singals are utilized in the field of preview servo systems design. In this paper, we discuss the design problem of optimal preview servo system while the future desired signal and future disturbance signal are polynomials or outputs of linear free systems. (1) Conditions of controllability and observability for enlarged system, (2) a design method of optimal preview servo controllers, and (3) a simple and convenient algorithm of control law are obtained.展开更多
In this paper,we present a design method for a kind of general frequency dependent digital optimal preview servo svstem which is effective to improve frequency characteristics of closed looP system.By the method,for ...In this paper,we present a design method for a kind of general frequency dependent digital optimal preview servo svstem which is effective to improve frequency characteristics of closed looP system.By the method,for any rational expression frequency dependent weight which loads on error vector,we can design an optimal preview servo system.The result is applied to an air slide linear motor in simulation and its effectivity is proved.展开更多
文摘Usually, only siep future desired singals are utilized in the field of preview servo systems design. In this paper, we discuss the design problem of optimal preview servo system while the future desired signal and future disturbance signal are polynomials or outputs of linear free systems. (1) Conditions of controllability and observability for enlarged system, (2) a design method of optimal preview servo controllers, and (3) a simple and convenient algorithm of control law are obtained.
文摘In this paper,we present a design method for a kind of general frequency dependent digital optimal preview servo svstem which is effective to improve frequency characteristics of closed looP system.By the method,for any rational expression frequency dependent weight which loads on error vector,we can design an optimal preview servo system.The result is applied to an air slide linear motor in simulation and its effectivity is proved.