Intellectual Property Design and Implementation of FPGA-Based Vector-Controlled Induction Motors

• Main Authors: Pei-Yao Chen, 陳培堯
• Other Authors: Yeong-Hwa Chang
• Format: Others
• Language: zh-TW
• Published: 2004
• Online Access: http://ndltd.ncl.edu.tw/handle/02837344372088534187

碩士 === 長庚大學 === 電機工程研究所 === 92 === In this thesis, the intellectual property design of FPGA-based vector-controlled induction motors is presented. The developed intellectual-property modules include coordinate transformation, PWM module, flux detector, rotor angle detector, slip calculator, A/D data acquisition, decoder circuit, and four PI controllers. Integrating with peripheral circuits, vector-controlled induction motor can be implemented with a single chip. The errors owing to the finite word length in fixed point are discussed, where how to improve the precision is addressed. By using the hierarchical and modular realization strategy, the designed circuits have the merit of less complexity. Fully digital design can avoid the aging problem of analog devices, and deal with sensitivity caused by temperature. To evaluate the control performance, the whole circuit is developed by VHDL, and implemented with FPGA chip.