Abstract
The purpose of this study is to present an integrated simulation model for small cranes based on a multiphysics coupling approach that combines an electrohydraulic control circuit model, rigid body dynamics model and a flexible-rigid multibody dynamics model. The proposed model is able to evaluate the dynamic response characteristics of the intelligent hydraulic automation system operation according to the on/off signals of the electrical control and predict the dynamic stiffness of each link member during crane operation. Therefore, this simulation approach is expected to significantly reduce development costs and time by minimizing physical prototyping in the development of new products for small cranes.
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