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Position dependent rate dampening in any active hand controllerA control system for an active hand controller, for example, uses a control stick connected to and controlled by a motor. Electronics are provided to control the motor to eliminate oscillations due to motor torque and high gain due to breakout at the control stick when the control stick is at about its null position. Both hardware as well as software implementations can provide position dependent dampening to the control sticks such that when the control stick is located about a null position, a higher rate of dampening is provided than when the control stick is located outside the null position, when a lower rate of dampening is provided. The system provides a stable active hand controller control stick without degraded force and feel characteristics of the system.
Document ID
20080012405
Acquisition Source
Johnson Space Center
Document Type
Other - Patent
Authors
Gregory, William W.
Kauffman, James W.
Date Acquired
August 24, 2013
Publication Date
September 13, 1994
Subject Category
Electronics And Electrical Engineering
Report/Patent Number
Patent Application Number: US-PATENT-APPL-SN-957427
Patent Number: US-PATENT-5,347,204
Funding Number(s)
CONTRACT_GRANT: NAS9-18200
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-PATENT-5,347,204
Patent Application
US-PATENT-APPL-SN-957427
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