The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 11, 1995
Filed:
Apr. 29, 1993
James E York, Endicott, NY (US);
Universal Instruments Corporation, Binghamton, NY (US);
Abstract
An electronic damping system is disclosed which dampens mechanical resonant vibrations of a gantry beam end. The system includes a secondary velocity feedback loop in addition to the main servo motor-tach velocity loop. The resonant velocity of the beam is sensed from the movement of the end of the beam. The velocity feedback signal is summed as negative feedback with the velocity command signal from the position controller. The resultant sum of the signals are combined to form the velocity reference input command signal to a servo power amplifier. The servo power amplifier is connected to a main servo motor which controls the movement of the gantry beam in the Y-direction relative to printed circuit board.