| Summary: | 碩士 === 國立成功大學 === 機械工程學系碩博士班 === 97 === With the tendency to the products in domestic application, the multi-function food processors which contain the function of juicers and vegetable processors are developed in the recent years. Induction and universal motors are often used in food processors due to the low manufacturing cost. However, they have the difficulty in speed range control without drivers. In order to improve it, switched reluctance motors with drivers are applied because of the variable speed control at the same cost.
In this thesis, the specifications and control strategies are established for switched reluctance motors in food processors. A three-phase switched reluctance motor is geometrically designed to meet the specifications. Moreover, mechanical and electrical parameters of the switched reluctance motor are measured for the control strategy design. Finally, due to the time-consuming measurements of motor characteristics, this thesis proposes a method for fast calculation of the minimum advanced angle for switched reluctance motors to reduce the repeated measurements. Overall, this thesis provides a good reference for switched reluctance motors with the application in food processors.
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