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This paper presents an overview of the development and application of a simulation model used for the study of tractor-semitrailer ride dynamics. The model incorporates system excitation from road roughness, nonlinear leaf spring characteristics, dynamic spring rate characteristics of air springs, and a first-order analysis model of frame flexure.

In the trucking industry, if one can both reduce operating cost and offer more value to the customers, any increase in initial price will be offset in the long term by reduced operating cost, added comfort, and added safety. Electronics is a technology that represents an opportunity for trucking companies to maintain and perhaps increase market share. In order for truck manufacturers to be successful with electronics, they need to know what electronic devices are available, what the devices can do for the customer, and how to integrate them into a complete system.