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Control of BLDC drives in four-quadrant operation has been an area of active interest. One of the main challenges in generating mode applications is to allow a wide operating range for shaft speeds. This paper proposes a digital control strategy for BLDC generators that offers low maintenance costs, requires no additional hardware and is simple enough to allow implementation on an FPGA device instead...
Brushless DC (BLDC) motor drives are continually gaining popularity in motion control applications. Therefore, it is necessary to have a low cost, but effective BLDC motor speed/torque regulator. This paper introduces a novel concept for digital control of trapezoidal BLDC motors. The digital controller was implemented via two different methods, namely conduction-angle control and current-mode control...
This paper introduces a novel digital control for trapezoidal back-emf brushless DC (BLDC) motor drives. First, the over all concept is outlined followed by the steady state analysis and design procedure that is derived from Newton's 2nd law of motion. Second, transient operation is presented, which makes use of a state observer. The state observer is used to estimate the load torque, which is necessary...
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