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An instantaneous torque control scheme of switched reluctance machines for four-quadrant operation at low speed based on co-energy considerations is presented. The co-energy is estimated online with a co-energy estimator, which only requires easily obtainable parameters such as the machine terminal quantities and the machine characteristics at low current. By regulating the co-energy while tracking...
With the ever-increasing requirement of safety for vehicle, the adaptive headlamp concept is put forward. The cost and maturity level for adaptive headlamp still are the most important matter. In this research, a new senseless dual closed loop stepper motor control algorithm is presented to solve the velocity, torque, cost and position precision issues in adaptive headlamp system, which includes the...
This paper first introduces the topology of three-phase PWM voltage source rectifier (VSR). Then the mathematical models in three-phase static and two-phase rotary coordinate system are built. Based on that theory and the voltage-oriented vector control's idea, the paper introduces a dual-channel closed-loop control strategy with current-inner-loop and voltage-outer-loop. Active power channel is aim...
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