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Title: Non-minimum phase linear controller for hydraulic mechanisms

Abstract: The disclosure relates to a non-minimum phase linear controller which uses positive servomechanism rate feedback to control hydraulic mechanisms. The disclosure also relates to a controller comprising, in combination, a conventional linear controller and a non-minimum phase linear controller, the outputs of the combined controllers being weighted in a predetermined ratio to provide a single output control signal.


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Other info:


Inventors: Cleveland, Dixon (Annandale, VA, US)
Derrick, Milford R. (Falls Church, VA, US)

Application Number: 462901
Filing Date: 1974-04-22
Publication_date: 1976-01-27
Assignee: Adaptronics, Inc. (McLean, VA)
Primary Class(es): 318/609 318/610, 318/616, 318/618, 318/635, 700/68
Other Classes:
US Patent Ref:
2946943Jul, 1960Nye et al.318/610.
3510737May, 1970Brown et al.318/635.
3523193Aug, 1970Hutcheon318/609.
3533236Oct, 1970Cottington318/609.

Other Refs:
Primary Examiner: Scott, James R.
Assistant Examiner:
Attorney: Cantor; Jay M.