Model-Based Estimation and Prediction of System Dynamics

The dynamic behavior of the forging process is crucial to fabrication of high-quality products and management of the machine’s physical condition. Estimating this dynamic behavior is difficult due to the complexity and strong nonlinearity of the forging process. In this chapter, a model-based dynamic analysis method is proposed to meet this challenge. A model of the complex forging process is first derived and a solving method is then developed to determine the model solution. Using this solution, the conditions of stable run, vibration, and creep are further derived. Experiments and simulations on a practical hydraulic driving process are finally performed to demonstrate and test the effectiveness of these analytical results.

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