This paper presents vibration control of a tracked vehicle installed with electro-rheological suspension units (ERSU). As a first step, a double-rod type ERSU is designed on the basis of the Bingham model of commercially available ER fluid, and its spring and damping characteristics are evaluated with respect to the intensity of electric fields. Subsequently, a 16 degree-of-freedom model for a tracked vehicle featuring the ERSU is established followed by the formulation of a new sky-ground hook controller. This controller takes account for both ride quality and steering stability by adopting a weighting parameter between two performance requirements. The parameter is appropriately determined by employing a fuzzy algorithm associated with two fuzzy variables: the vertical speed of the body and the rotational angular speed of the wheel. Control performances to isolate the vibration from bump and random road excitations are evaluated through computer simulations.
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March 2002
Technical Papers
Fuzzy Sky-Ground Hook Control of a Tracked Vehicle Featuring Semi-Active Electrorheological Suspension Units
Seung-Bok Choi, Professor,,
Seung-Bok Choi, Professor,
Department of Mechanical Engineering, Smart Structures and Systems Laboratory, Inha University, Incheon 402-751, Korea
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Dong-Won Park, Graduate Assistant,,
Dong-Won Park, Graduate Assistant,
Department of Mechanical Engineering, Smart Structures and Systems Laboratory, Inha University, Incheon 402-751, Korea
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Moon-Suk Suh, Senior Researcher,
Moon-Suk Suh, Senior Researcher,
Intelligent Control Suspension Division, Agency for Defense Development, Taejon 305-600, Korea
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Seung-Bok Choi, Professor,
Department of Mechanical Engineering, Smart Structures and Systems Laboratory, Inha University, Incheon 402-751, Korea
Dong-Won Park, Graduate Assistant,
Department of Mechanical Engineering, Smart Structures and Systems Laboratory, Inha University, Incheon 402-751, Korea
Moon-Suk Suh, Senior Researcher,
Intelligent Control Suspension Division, Agency for Defense Development, Taejon 305-600, Korea
Contributed by the Dynamic Systems and Control Division for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received by the Dynamic Systems and Control Division March 3, 1999. Associate Editor: R. Finn.
J. Dyn. Sys., Meas., Control. Mar 2002, 124(1): 150-157 (8 pages)
Published Online: March 3, 1999
Article history
Received:
March 3, 1999
Citation
Choi, S., Park, D., and Suh, M. (March 3, 1999). "Fuzzy Sky-Ground Hook Control of a Tracked Vehicle Featuring Semi-Active Electrorheological Suspension Units ." ASME. J. Dyn. Sys., Meas., Control. March 2002; 124(1): 150–157. https://doi.org/10.1115/1.1434266
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