Title :
Disturbance observer based digitally controlled PWM inverter for UPS application
Author :
Yokoyama, Tomoki ; Kawamura, Atsuo
Author_Institution :
Dept. of Electr. & Comput. Eng., Yokohama Nat. Univ., Japan
Abstract :
A new approach to the digital feedback control of a PWM inverter is proposed, in which output dead beat control is achieved with a disturbance observer. In this scheme, the state observer and disturbance observer are used, and pole placement of these two observers are chosen separately. From the point of view of UPS applications, the advantages and disadvantages are discussed through simulations and experiments.<>
Keywords :
control system synthesis; digital control; invertors; poles and zeros; pulse width modulation; state estimation; uninterruptible power supplies; voltage control; PWM inverter; applications; control system synthesis; dead beat control; digital feedback control; disturbance observer; pole placement; state estimation; state observer; voltage control; Application software; Automatic control; Capacitors; Control systems; Digital control; Pulse width modulation inverters; State feedback; Transient response; Uninterruptible power systems; Voltage;
Conference_Titel :
Power Conversion Conference, 1993. Yokohama 1993., Conference Record of the
Conference_Location :
Yokohama, Japan
Print_ISBN :
0-7803-0471-3
DOI :
10.1109/PCCON.1993.264221
