Title :
Evaluation of methods of speed estimation of asynchronous motor based on direct torque control (DTC)
Author :
Adamidis, G. ; Leibadaras, M.
Author_Institution :
Dept. of Electr. & Comput. Eng., Democritus Univ. of Thrace, Xanthi, Greece
Abstract :
In this paper two methods of speed estimation of a three phase induction motor system are analyzed. The method of direct torque control with no sensors was used to control the motor system. The mathematical models of the above mentioned methods are analyzed for every case. Following the estimation method analysis of open and closed loop the observation method of closed loop is expanded with the use of deterministic sets. The simulation on the computer of the whole motor system is carried out based on the mathematic models with Matlab/Simulink software. The results of the simulation bring forward the advantages of the expanded method in nonlinear systems.
Keywords :
angular velocity control; closed loop systems; induction motors; machine control; nonlinear control systems; open loop systems; torque control; Matlab-Simulink software; asynchronous motor; closed loop analysis; closed loop observation method; deterministic sets; direct torque control method; mathematic models; motor control system; nonlinear systems; open loop analysis; speed estimation evaluation method; three phase induction motor system; Computational modeling; Computer simulation; Control systems; Induction motors; Mathematical model; Mathematics; Open loop systems; Phase estimation; Sensor systems; Torque control; Asynchronous rotating machines; Direct Torque Control; nonlinear systems; speed estimation;
Conference_Titel :
Power Electronics Electrical Drives Automation and Motion (SPEEDAM), 2010 International Symposium on
Conference_Location :
Pisa
Print_ISBN :
978-1-4244-4986-6
Electronic_ISBN :
978-1-4244-7919-1
DOI :
10.1109/SPEEDAM.2010.5544967
