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Using Decision Making Tools in Optimum Selection of an Electromechanical System Design Parameters

Roohnavazfar, Mina | 2013

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 44729 (01)
  4. University: Sharif University of Technology
  5. Department: Industrial Engineering
  6. Advisor(s): Houshmand, Mahmoud
  7. Abstract:
  8. The brushless DC Limited-Angle Torque Motor (LATM) has been widely used in area of aerospace equipment, robot drives, optical scanning systems and any drive systems that require limited motion, ranging from the simple ON-OFF servo valves to the accurate tracking of a reference signal. This paper presents the optimum design procedures of a brushless direct current limited-angle torque motor. According to a request from industry, a two-pole torque motor with a toroidal armature winding was designed based on analysis of magnetic equivalent circuit of motor structure, and using selected ferromagnetic material and rare-earth permanent magnets (PM). To select the best design solution and optimize the design procedure, the decision making tools called Analytical Hierarchy Process (AHP) and Axiomatic Design (AD) methodologies are employed, respectively. Considering the industrial requirements, axiomatic design methodology is proposed to minimize the effect of expert’s judgments and pursuing the simple design procedure. Comparison of the AD and AHP methodologies shows that the AD has more confirmation with the industrial design ranges. It requires the minimum experts’ interventions and reduces the design computation time
  9. Keywords:
  10. Limited-Angle Torque Motor (LATM) ; Decision Making Methods ; Analytical Hierarchy Process (AHP) ; Axiomatic Design

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