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Hysteretic Characteristics of Leaf Springs in Commercial Vehicles  

Moon, Won-Ki (Department of Mechanical Engineering, Gyeongsang National University)
Song, Chul-Ki (School of Mechanica and Aerospace Engineering, ERI, Gyeongsang National University)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.16, no.2, 2008 , pp. 99-105 More about this Journal
Abstract
Multi-leaf springs are widely used for a major suspension component in many commercial vehicles. The modeling technique of multi-leaf springs is one of the most difficult problems in suspension modeling as the elements have complicated nonlinear characteristics such as a hysteresis behavior due to the friction. In this paper, hysteretic characteristics with the static and dynamic test are modeled and are simulated with three links and joints in MSC.ADAMS. Simulation results showed good agreements with test results. Using this methodology, it is expected that dynamic characteristics of suspension system with multi-leaf spring can be more accurately evaluated in vehicle dynamics.
Keywords
Multi-leaf spring; Dynamic spring rate; Hysteretic characteristics; MSC.ADAMS; MATLAB;
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