Boots – shoes – and leggings
Patent
1995-11-29
1997-11-25
Voeltz, Emanuel T.
Boots, shoes, and leggings
91361, 91196, 91170R, 91171, F01B 1500, F01B 2504, F15B 1316
Patent
active
056918941
ABSTRACT:
A cylinder positioning control apparatus designed to effect positioning of a cylinder by learning control that uses not only an overrun distance but also a cylinder speed as input data for control. The apparatus has a device for taking in a displacement x and speed V of a cylinder, a device for calculating a predicted overrun distance y.sub.i for the present drive from a predicted overrun distance y.sub.i-1 in the preceding drive, a cylinder speed V.sub.i-1 at the time of outputting a braking signal during the preceding drive, and a speed V.sub.i of the cylinder being driven, a device for judging whether or not a condition to be satisfied to output a braking signal is satisfied, and for outputting a braking signal when the condition is satisfied, a device for taking in a displacement x.sub.bp and speed V.sub.bp of the cylinder when the braking signal is output, a device for taking in a displacement x.sub.stop of the cylinder when it has stopped, and a device for calculating a predicted overrun distance y.sub.1-1 and a cylinder speed V.sub.i-1 at the time of outputting a braking signal, which are to be used in calculation for the subsequent drive, from the displacement x.sub.bp and speed V.sub.bp of the cylinder when the braking signal was output, and the displacement x.sub.stop of the cylinder stopped.
REFERENCES:
patent: 4779513 (1988-10-01), Kimura
patent: 4804913 (1988-10-01), Shimizu
patent: 4826255 (1989-05-01), Volz
patent: 4932311 (1990-06-01), Mibu et al.
patent: 5275085 (1994-01-01), Hur
Fujiwara Nobuhiro
Fukushima Kenji
Shimono Hiroyuki
Yamamoto Hitoshi
SMC Corporation
Smith Demetra R.
Voeltz Emanuel T.
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