Two induction motor (IM) control concepts will be presented: a concept based on DC link current measurement only (voltage control scheme) and a sophisticated current control scheme. The first one is aimed for smaller low cost drives. The control algorithm is relatively simple and can be implemented with inexpensive microcontrollers. The second one is based on a discretized current controller. Motor torque is directly proportional to its current and therefore a very good current control is preferable. Requirements of the vehicle drive controllers are different from other drive control requirements. Smooth acceleration is as important as very good speed reference following for the conventional drives. Some other important control and protection functions also will be presented. Several prototypes have been built and tested in various electric vehicles.
Robust induction motor control for electric vehicles
Robuste Induktionsmotorsteuerung für Elektrofahrzeuge
EVS, International Electric Vehicle Symposium, 12 ; 1 ; 467-476
1994
10 Seiten, 6 Bilder, 6 Quellen
Conference paper
English
Robust Induction Motor Control for Electric Vehicles
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