Computer-aided control in nonround process

Guangjie Fu; Shenghua Huang

doi:10.1117/12.227215

21 November 1995 Computer-aided control in nonround process

Guangjie Fu, Shenghua Huang

Proceedings Volume 2596, Modeling, Simulation, and Control Technologies for Manufacturing; (1995) https://doi.org/10.1117/12.227215
Event: Photonics East '95, 1995, Philadelphia, PA, United States

Abstract

Currently, un-round process (such as piston in internal-combustion engine etc.) is mainly realized by hard contact turning and ellipse milling. This paper introduces the computer-aided control in non-round process, using a high speed voice coil motor which can move to and fro in straight line to drive the cutting tool directly and so as to realize the un-round process under the control of computer. The precision can reach 1 micrometer. It exemplifies the process on convex varying elliptical piston. The best process curve is deduced. Double-CPUs are adopted to realize high speed detection and curve imitation in on-line process. IGBT is selected to drive the motor, optics grid decoder with the resolution of 0.25 micrometer for position detection. The self-adaptive control and feed forward control of sliding model on varying structure assures the request on system's dynamic response and stability. The simulation results reach the expected goal of system design.

Citation Download Citation

Guangjie Fu and Shenghua Huang "Computer-aided control in nonround process", Proc. SPIE 2596, Modeling, Simulation, and Control Technologies for Manufacturing, (21 November 1995); https://doi.org/10.1117/12.227215

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