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:
Jan. 18, 1983
Filed:
Sep. 02, 1980
Applicant:
Inventors:
James A Turner, Binghamton, NY (US);
John C Stubbart, Ashland, MA (US);
Assignee:
The Singer Company, Binghamton, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G05B / ;
U.S. Cl.
CPC ...
318561 ; 318618 ;
Abstract
Servo Control System (24) for positioning a load (35). A velocity drive signal (50), derived from a positional error signal, is provided by the outer loop (28) as the input to a velocity servo inner loop (26). The velocity drive signal is non-linear (48) and of the form V=.sqroot.2AD where A is the acceleration of the load and D is positional error (46).