Results 121 to 130 of about 168 (145)
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Tribology of Coatings for Use in Oil-Less Swashplate Compressors
Volume 3: Design; Tribology; Education, 2008Increasing efficiency through the use of tighter tolerances and more extreme conditions is becoming more prevalent in current compressor design. In an effort to enable oil-less operation, greater protection is sought through the application of hard protective coatings. Unlubricated unidirectional experiments were performed with a pin-on-disk tribometer
Timothy A. Solzak, Andreas A. Polycarpou
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Predicting the Behavior of Slipper Pads in Swashplate-Type Axial Piston Pumps
Journal of Dynamic Systems, Measurement, and Control, 1996This paper describes a dynamic model for slipper-pads that allows lift and tilt behavior to be predicted, including the effects of possible contact with the swashplate or slipper retaining plate. This model has been incorporated in the Bathfp simulation package and used to examine the dynamic stability of slipper-pads over the pumping cycle, and to ...
Harris, R. M. +2 more
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A Performance Prediction Method for Axial Piston Pumps of the Swashplate Type
SAE Technical Paper Series, 1982<div class="htmlview paragraph">A system for transmitting power to the wheels of a ground vehicle must be able to meet all the possible torque and speed requirements likely to be encountered in normal use The hydrostatic system offers a stepless transmission of power with a high response rate, and can cater for a wide range of torque and speed ...
W. J. Beswarick, F. S. Bhinder
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The second wind-tunnel test of DLR’s multiple swashplate system
CEAS Aeronautical Journal, 2018After proving its individual blade control (IBC) capabilities on a four-bladed rotor system in the wind tunnel, the DLR’s multiple swashplate system and its control software were developed further to allow IBC operation on a five-bladed rotor system.
P. M. Küfmann +5 more
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Helicopter Swashplate Design and Analysis Using Semi Compliant Mechanism
Volume 3: Modeling and Validation; Multi-Agent and Networked Systems; Path Planning and Motion Control; Tracking Control Systems; Unmanned Aerial Vehicles (UAVs) and Application; Unmanned Ground and Aerial Vehicles; Vibration in Mechanical Systems; Vibrations and Control of Systems; Vibrations: Modeling, Analysis, and Control, 2018The swashplate of a model helicopter consists of stationary and rotating plates separated by ball bearings. This mechanism enables the swashplate to tilt in all directions and move vertically as one unit. The lower stationary plate is mounted on the main rotor mast and connected to the cyclic and collective controls by a series of pushrods.
Ayse Tekes +3 more
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The Dynamics of the Swashplate Mechanism of a VTOL Unmanned Aerial Vehicle
Multibody System Dynamics, 2001Lange, C. +3 more
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Fabrication of Boron‐Hybrid Swashplates
Journal of the American Helicopter Society, 1975openaire +1 more source