| Summary: | 碩士 === 龍華科技大學 === 工程技術研究所 === 94 === The paper proposes the application of adaptive algorithm to Z axis position controller of rapid prototyping system with permanent magnet motor, and accomplishes the automatic control system of the rapid prototyping cooperated with the operation of YAG laser machine. In the control rule of position feedback loop, design with modified models reference adaptive system (MMRAS). In the plant rule of position feedback loop, use the permanent magnet synchronous motor to replace usually used stepper motor of tradition rapid prototyping control system and reach servo control of permanent magnet synchronous motor. With above improvements, expect to improve Z axis moving precision and control performance effectively. And then, combine paving layer system, laser system, and Soft PLC integrated control interfaces to achieve the automatic control system of the rapid prototyping machine. Simulation of position control system programs with the Matlab®. Results show the effective improvement of Z axis moving precision and control performance, and so does the experiment results. Through the designed software interface and the hardware system, precede the experiment to test and verify the paving layer system, laser system and Soft PLC integrated control interfaces. And then, Realize Soft PLC sequential control system and finished the automatic control system of rapid prototyping machine.
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