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The Mechanical Design of a Suspension Parameter Identification and Evaluation Rig (SPIdER) for Wheeled Military Vehicles

Wagner, Timothy Paul

Abstract Details

2011, Master of Science, Ohio State University, Mechanical Engineering.
This thesis discusses the design of selected components for a Suspension Parameter Identification and Evaluation Rig (SPIdER) for wheeled military vehicles specified by the Tank Automotive Research, Development and Engineering Center (TARDEC) of the U.S. Army. Suspension evaluation rigs have been used to effectively and efficiently determine suspension parameters. These parameters can then be used to accurately simulate vehicle behavior during driving maneuvers and aiding in suspension design and evaluation. Several components have been designed and analyzed according to the specifications given by the TARDEC of the U.S. Army and are described in detail in this thesis. First, is a discussion and analysis of two measurement systems used to measure wheel center motion with the intent of replacing a previous design using linear transducers and potentiometers. After analysis, it was decided to use one MicroSribe digitizing arm per wheel. This decision was based on the ability to obtain accurate wheel center motion measurements. Secondly, the detailed design of the custom wheel pads was discussed. The wheel pads allow motion in the x and y axes during kinematic testing and can be adapted apply road plane forces during compliance testing. They incorporate custom scales used to determine the wheel force and the center of the tire contact patch. Stress and deflections of various wheel pad components were calculated for maximum loads occurring during kinematic and compliance testing with a maximum load of vehicles with a maximum weight of 100,000 lbs (45,359 kg) per axle (50,000 lbs (22,680 kg) per wheel). Finally, the roll constraint for the bounce and roll frame is discussed. An overview of the design is presented along with calculations of the contact stresses caused during compliance testing.
Dennis A. Guenther, Ph.D (Advisor)
Gary J. Heydinger, Ph.D (Committee Member)
94 p.

Recommended Citations

Citations

  • Wagner, T. P. (2011). The Mechanical Design of a Suspension Parameter Identification and Evaluation Rig (SPIdER) for Wheeled Military Vehicles [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1322502477

    APA Style (7th edition)

  • Wagner, Timothy. The Mechanical Design of a Suspension Parameter Identification and Evaluation Rig (SPIdER) for Wheeled Military Vehicles. 2011. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1322502477.

    MLA Style (8th edition)

  • Wagner, Timothy. "The Mechanical Design of a Suspension Parameter Identification and Evaluation Rig (SPIdER) for Wheeled Military Vehicles." Master's thesis, Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1322502477

    Chicago Manual of Style (17th edition)