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There are a total of 6 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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Comparison of force and tactile feedback for grasp force control in telemanipulation
Author(s): Wiker, Steven F.; Duffie, Neil A.; Yen, Thomas Y.; Gale, Karen L.
Abstract: The comparative efficacy of using direct force feedback or a simple vibrotactile display to convey changes in the intensity of remote grasp force relayed from a robotic end effector is examined. The findings show that a ...
NASA Center: NASA (non Center Specific)
Publication Year: 1991
Added to NTRS: 2008-05-31
Accession Number: 91N20655; Document ID: 19910011342
Impact of inertia, friction, and backlash upon force control in telemanipulation
Author(s): Duffie, Neil A.; Zik, John J.; Wiker, Steven F.; Gale, Karen L.
Abstract: The mechanical behavior of master controllers of telemanipulators has been a concern of both designers and implementors of telerobotic systems. In general, the literature recommends that telemanipulator systems be ...
NASA Center: NASA (non Center Specific)
Publication Year: 1991
Added to NTRS: 2008-05-31
Accession Number: 91N20648; Document ID: 19910011335
Teleoperator comfort and psychometric stability: Criteria for limiting master-controller forces of operation and feedback during telemanipulation
Author(s): Wiker, Steven F.; Hershkowitz, Elaine; Zik, John
Abstract: The following question is addressed: How much force should operators exert, or experience, when operating a telemanipulator master-controller for sustained periods without encountering significant fatigue and discomfort, and ...
NASA Center: NASA (non Center Specific)
Publication Year: 1989
Added to NTRS: 2008-05-31
Accession Number: 90N29009; Document ID: 19900019693
Test bed experiments for various telerobotic system characteristics and configurations
Author(s): Duffie, Neil A.; Wiker, Steven F.; Zik, John J.
Abstract: Dexterous manipulation and grasping in telerobotic systems depends on the integration of high-performance sensors, displays, actuators and controls into systems in which careful consideration has been given to human ...
NASA Center: NASA (non Center Specific)
Publication Year: 1990
Added to NTRS: 2008-05-31
Accession Number: 90N25572; Document ID: 19900016256
Grasp force control in telemanipulation
Author(s): Wiker, Steven F.; Duffie, Neil A.
Abstract: This paper presents two experiments which focus upon the issue of grasp force control in telemanipulation. The first experiment examines the ability to control and stabilize master-controller grasp force during a 30-s ...
NASA Center: NASA (non Center Specific)
Publication Year: 1992
Added to NTRS: 2004-11-03
Accession Number: 92A38581; Document ID: 19920055957; Report Number: AIAA PAPER 92-1453
Importance of numerosity and distribution of articulations within the digits, wrists, and arms of telemanipulators confronted with dextrous assembly tasks
Author(s): Wiker, Steven F.; Duffie, Nell; Yen, Thomas
Abstract: This study was conducted to evaluate the impact of successive exclusion of degrees-of-freedom within digits (thumb and index finger) and wrist when performing tasks demanding varying degrees of end effector kinematic ...
NASA Center: NASA (non Center Specific)
Publication Year: 1992
Added to NTRS: 2004-11-03
Accession Number: 93N11967; Document ID: 19930002779
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