Method for detecting contact position

Details Method for detecting contact position Method for detecting contact position

1998-10-30

1999-12-28

Nappi, Robert E.

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

318560, G05B 106

Patent

active

060086122

ABSTRACT:
A movable body is moved towards an object for contact, it is determined whether a representative load for driving load such as a current instruction value for a servo amplifier providing controls for movement of the movable body has exceeded a reference value or not, and when the current instruction value exceeds the reference value, positional data for the body at this point of time is written in a memory, difference between the current instruction value and the reference value at this point of time and on is accumulated, and when the accumulated difference value reaches a specified value, a position indicated by the positional data in the memory is regarded as a contact position.

REFERENCES:
patent: 4393342 (1983-07-01), Matsuoka et al.
patent: 5410226 (1995-04-01), Sekiguchi et al.
patent: 5449987 (1995-09-01), McMillan

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