CAM CURVE GENERATING DEVICE, CAM CURVE GENERATING METHOD, AND PROGRAM

WIPO Patent Application WO/2022/118707

A1

The objective of the present invention is to generate a cam curve with which variations in the speed of a driven shaft and the acceleration of the driven shaft are suppressed, while being connected smoothly to an out-of-sector cam curve. A cam curve generating device (100) is provided with: a sector dividing unit (60) for dividing an application sector into a plurality of sub-sectors in such a way as to satisfy division conditions; and a cam curve generating unit (70) for generating a cam curve for the application sector in such a way as to satisfy boundary conditions. Each of the plurality of sub-sectors is classified as either a sub-sector in which the acceleration of the driven shaft increases monotonically, a sub-sector in which the acceleration of the driven shaft decreases monotonically, or a sub-sector in which the acceleration of the driven shaft does not change. The division conditions include the length and the classification of each of the plurality of sub-sectors. The boundary conditions include the position of the driven shaft, the speed of the driven shaft and the acceleration of the driven shaft at the beginning and the end of the application sector. The cam curve generating unit (70) generates the cam curve in such a way that the position of the driven shaft, the speed of the driven shaft and the acceleration of the driven shaft are continuous at each boundary between the plurality of sub-sectors.

SASAKI RYUTA
EMI SUSUMU

PCT/JP2021/042976

June 09, 2022

November 24, 2021

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PANASONIC IP MAN CO LTD (JP)

G05B19/18; B23Q15/00; G05B19/416

JP6501994B1	2019-04-17
JP5143318B1	2013-02-13
JP2015122077A	2015-07-02
JP2006172438A	2006-06-29

KAMATA Kenji et al. (JP)

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