Abstract
In order to solve the traditional design mode of the device with high cost, long cycle and poor quality problems, by using the digital design method, some researches on the design, virtual prototype and function analysis, control strategy of key technology for servo device and their applications, are carried out. According to the demand analysis, the preliminary design of servo device is made; application of optimization algorithm to optimize the layout of pitch drive system is made. After optimization, the optimized electric cylinder maximum force decreases 28%; the minimum transmission angle is increased by 30%. A servo device virtual prototype model is built to achieve the goal of displacement, design of the control system. Through the simulation of virtual prototype and the physical prototype servo control test, the correctness of the virtual prototype model and the feasibility of the function are verified. The results show that the scheme of the system optimization technology, virtual prototype technology, modern control methods of complex mechanical system digital design technology, can realize the process of new product design digital, shorten the product development cycle and improve product performance.
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