Application of Hcontrol to improve the current and speed loops of switched reluctance motor drives

Research output: Contribution to journalArticle

Abstract

In this paper the H robust control technique is applied to design a switched reluctance motor drive where the rotor position sensor provides just six pulses per revolution. A control system analyzer is used to obtain the frequency responses at each design step. To reduce the effect of the inherent phase inductance variations, an H two-degree-offreedom control scheme is designed in the current-loop of the drive to achieve the demanding time-response specifications. In order to have a good load torque disturbance rejection ability, the H loop shaping procedure is employed to construct a lead-lag type controller in the speed-loop of the drive. The designed H` controllers are evaluated in real-time experiments with a digital signal processor (DSP). The results demonstrate the effectiveness of the proposed strategy in comparison with that of a conventional design.

Original languageEnglish
Pages (from-to)363-369
Number of pages7
JournalJournal of Dynamic Systems, Measurement and Control, Transactions of the ASME
Volume123
Issue number3
DOIs
Publication statusPublished - 2001 Jan 1

Fingerprint

reluctance
Reluctance motors
controllers
Controllers
Disturbance rejection
time response
Digital signal processors
Robust control
inductance
Inductance
rejection
frequency response
rotors
Frequency response
central processing units
torque
specifications
Loads (forces)
analyzers
disturbances

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Information Systems
  • Instrumentation
  • Mechanical Engineering
  • Computer Science Applications

Cite this

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abstract = "In this paper the H∞ robust control technique is applied to design a switched reluctance motor drive where the rotor position sensor provides just six pulses per revolution. A control system analyzer is used to obtain the frequency responses at each design step. To reduce the effect of the inherent phase inductance variations, an H∞ two-degree-offreedom control scheme is designed in the current-loop of the drive to achieve the demanding time-response specifications. In order to have a good load torque disturbance rejection ability, the H∞ loop shaping procedure is employed to construct a lead-lag type controller in the speed-loop of the drive. The designed H` controllers are evaluated in real-time experiments with a digital signal processor (DSP). The results demonstrate the effectiveness of the proposed strategy in comparison with that of a conventional design.",
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