ADVANCED DISTURBANCE OBSERVER-BASED ACTIVE FLUX ESTIMATION FOR SENSORLESS CONTROL OF IPMSM

2021 ◽  
Author(s):  
A. T. Woldegiorgis ◽  
X. Ge ◽  
M. Hassan
Keyword(s):  
Disturbance Observer ◽  
Sensorless Control ◽  
Flux Estimation ◽  
Active Flux

“Active Flux” DTFC-SVM Sensorless Control of IPMSM

2009 ◽  
Vol 24 (2) ◽  
pp. 314-322 ◽  
Author(s):  
Ion Boldea ◽  
Mihaela Codruta Paicu ◽  
Gheorghe-Daniel Andreescu ◽  
Frede Blaabjerg
Keyword(s):  
Sensorless Control ◽  
Active Flux

scholarly journals Active Q Flux Concept for Sensorless Control of Synchronous Reluctance Machines

2021 ◽  
Author(s):  
zhendong zhang ◽  
Jacob M. Lamb
Keyword(s):  
High Frequency ◽  
High Speed ◽  
Sensorless Control ◽  
Control Performance ◽  
Unstable Region ◽  
Low Speed ◽  
Salient Pole ◽  
Seamless Transition ◽  
Active Flux

<p>This paper proposes a new scheme to use active flux on q-axis for sensorless control of synchronous reluctance machines (SynRM). Conventionally, “Active Flux” on d-axis is adopted to convert a salient pole machine into a fictitious non-salient pole machine. However, the injected d-axis flux can deteriorate high frequency injection (HFI) sensorless control performance or even run the system into unstable region at low speed. This paper demonstrates active flux on q-axis can support back-EMF sensorless control at high speed and improve low speed HFI performance substantially. A seamless transition from HFI sensorless method to back-EMF voltage method is attained after adopting the proposed active q flux. Experiment results are used to validate the proposed method.</p>

Disturbance-Observer-Based Sensorless Control of PMSM Using Integral State Feedback Controller

2020 ◽  
Vol 35 (6) ◽  
pp. 6082-6090 ◽  
Author(s):  
Aishwarya Apte ◽  
Vrunda A. Joshi ◽  
Hrishikesh Mehta ◽  
Rahee Walambe
Keyword(s):  
Disturbance Observer ◽  
State Feedback ◽  
Sensorless Control ◽  
Feedback Controller ◽  
State Feedback Controller
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