Resultant velocity control for members capable of being driven i

Details Resultant velocity control for members capable of being driven i Resultant velocity control for members capable of being driven i

1987-10-29

1988-07-26

Smith, Jerry

Boots, shoes, and leggings

299 1, 318433, 318434, 364170, 364167, G05B 1132, E21D 908, H02P 700

Patent

active

047605138

ABSTRACT:
A method of and apparatus for controlling the resultant velocity of a member is provided, the resultant velocity being derived by driving the member in two component directions, simultaneously. First sensor means derive a signal indicative of the resultant velocity, the derived signal being compared with a preselected reference signal to derive an error signal constituting a resultant velocity demand signal which is integrated to obtain a resultant amount of movement demand signal. The resultant amount of movement demand signal is selected from `look-up` reference table memory means and corresponding desired values derived for the amounts of movement of the member in the two component directions. The desired values are compared with signals derived from the first and second sensor means sensing the movement of member and error signals are obtained for controlling the driving of the member in the two component directions.

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patent: 4556830 (1985-12-01), Schwalm et al.
patent: 4581711 (1986-04-01), Hirata et al.

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