1A1-F01 Energy saving by synchronous and contouring control of machine tools and experimental verification(Manufacturing System and Manufacturing Machinery Mechatronics)

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  • 1A1-F01 工作機械送り駆動系の輪郭制御による省エネルギー効果の実験的検証(生産システム・生産機器メカトロニクス)

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In multi-axis machine tools, each drive system is generally controlled to suppress the tracking error along the drive axis. For precision machining, contouring error of workpiece should be considered in controller design. The contouring error is defined as a normal error component to workpiece surface. Because it is difficult to calculate actual contouring error in real time, we use the approximated a contouring error obtained by coordinate transformation. In this paper, we propose a method of using the contouring control for energy saving of machine tools by modifying the reference to improve the approximation of contouring error. Experimental results demonstrate the effectiveness of the proposed method.

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