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Target Cascading Optimization of the Kinematics of a Steering System Coupled to a Double Wishbone Suspension System of a Hybrid Off-Road Vehicle
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 08, 2013 by SAE International in United States
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Target cascading methodology is applied to the optimization problem of the kinematics of a rack and pinion steering mechanism coupled to a double-wishbone suspension system of a hybrid off-road vehicle. This permits the partition of a complex problem into reduced order sub-problems in a hierarchical manner, leading to a more efficient design and optimization process.
According to the nature of the problem, it is proposed a four level hierarchy organization. The uppermost level is the general vehicle design problem. The second level consists in various system-level design problems such as frame, powertrain and the set suspension-steering. The steering system design problem is proposed in a third hierarchical level. At the lowest level are the components design problems.
The vehicle under study will work mainly under off-road condition at low speed. Hence, at the steering design problem, two main objectives are searched for optimization: steering performance according to the Ackerman criterion and the steering-suspension coupling effect. Given that these two problems are weakly coupled, it is proposed that each objective is treated as an independent geometric optimization problem, and a coordination strategy is applied in order to guarantee a final consistence of the steering general coupled problem.
The proposed methodology is applied to a design scenario and an optimal design solution is found. By this methodology, a complex kinematic problem is decomposed into simpler reduced order sub-problems. This decomposition leads to a more straightforward decision making and optimization in the design process.
CitationBlanco, J. and Munoz, L., "Target Cascading Optimization of the Kinematics of a Steering System Coupled to a Double Wishbone Suspension System of a Hybrid Off-Road Vehicle," SAE Technical Paper 2013-01-0967, 2013, https://doi.org/10.4271/2013-01-0967.
- Gillespie T.D. Fundamentals of Vehicle Dynamics Society of Automotive Engineers, Inc. Warrendale, PA 978-1560911999 1992 104271/R-114
- Abe M. Vehicle Handling Dynamics Theory and Application Amsterdam Elsevier Ltd. 2009
- Habibi H. , Shirazi K. and Shishesaz M. Roll Steer Minimization of MacPherson-Strut Suspension System Using Genetig Algorithm Method Mechanism and Machine Theory 43 57 67 2008
- Suh K.-H. , Lee Y.-K. and Yoon H.-S. Optimization of Front Bump Steer Using Design of Experiments SAE 2000 Automotive Dynamics & Stability Conference Detroit, MI 2000
- Kami , Y. and Minikawa , M. Double-Wishbone Suspension for Honda Prelude SAE Technical Paper 841186 1984 10.4271/841186
- Raghavan M. Suspension Design for linear Toe Curves: A Case Study in Mechanism Synthesis Journal of Mechanical Design 126 278 282 2004
- Simionescu P. , Smith M. and Tempea I. Synthesis and Analysis of the Two Loop Translational Input Steering Mechanism Mechanism and Machine Theory 35 927 943 2000
- Bian X. , Song B. and Becker W. The Optimisation Design of the McPherson Strut and Steering Mechanism for Automobiles Forschung im Ingenieurwesen 68 60 65 2003
- Blanco , J. and Munoz , L. Methodology for the Design of a Double-Wishbone Suspension System by means of Target Cascading: Problem Statement SAE Technical Paper 2013-01-0973 2013
- Blanco , J. and Munoz , L. Methodology for the Design of a Double-Wishbone Suspension System By Means Of Target Cascading: Model - Geometry Interactions and Case Study SAE Technical Paper 2013-01-0971 2013
- International Organization for Standarization Road vehicles - vehicles dynamics and road-holding ability - vocabulary ISO 8855 1991
- Kim H. M. Target Cascading in Optimal Design PhD Thesis Michigan University of Michigan 2001
- Dixon J. C. Suspension Geometry and Computation West Sussex John Wiley & Sons Ltd. 2009
- Allison J. T. Complex System Optimization: A Review of Analytical Target Cascading, Collaborative Optimization, and Other Formulations Master of Science Degree Thesis Michigan University of Michigan 2004