The development, simulation and laboratory testing of two-state discrete adjustable semi-active rotary dampers for heavy off-road wheeled vehicles, which is a joint venture between the South African based company Reumech Ermetek and Horstman Defence Systems from the UK is described. A brief history of semi-active damping and rotary dampers is given, after which the working principle and features of combining the two technologies is outlined. Three dimensional simulation is used to determine the ride comfort gains achievable with semi-active rotary dampers compared to the conventional translational dampers currently used in the vehicle under consideration. Simulations are performed over different terrains, including the APG track and discrete obstacles. Semi-active rotary dampers were integrated on the 6x6 GV6 Self-propelled Gun Howitzer in order to quantify the improvements in ride comfort, transient response and handling of the vehicle as indicated by the simulation results. The control system, control strategies and characterization tests, which include determination of on and off characteristics as well as the valve response times, are discussed.
Semi-active rotary damper for a heavy off-road wheeled vehicle
Journal of Terramechanics ; 36 , 1 ; 51-60
1999
10 Seiten, 9 Bilder, 5 Quellen
Article (Journal)
English
Semi-Active Rotary Damper for Heavy Off-Road Wheeled Vehicle
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