The Research On Performance Optimization And The Visualization Of Movement Of Servo Regulator For Ship's Rudder

In order to overcome the blindness of analogy used in designing parameters of spring and test-method used in the process of adjusting the start-up current and the limit location current of electro-hydraulic servo regulator (following short title as regulator), this paper aims at found a way based on theory to expand the linear scope of both spool's and piston's displacement to improve the performance of servo regulators.By comparing and analysis the trial data of the original prototype and self-made prototypes, the factors impacted the start-up current and the limit location current were found, which the method of optimizing the parameters based on. And then the mobile-spool servo valve model was founded based on kinetic theory. On in-depth analysis the principle of regulator, using AMESim as a platform and its HCD library, an electro-hydraulic servo regulator model with its testing platform was established. The NLPQL algorithm included in the exploring and design tools of AMESim was used to optimize the parameters of springs. Then, the simulation of optimized servo regulator was done. The results of comparing the simulation results and experimental confirms that the performance of optimized regulators has significant improved comparing with the self-made. Finally, the movement animation of servo regulator made based on ADAMS vividly demonstrate the movement process of regulators.It was confirmed that the method used in the process was effective by comparing and analysis the simulation results of optimized regulator and experimental data. At the same time, the process and the means of analysis and performance improvement of regulator and its 3D visualized animation has reference value to carry out the similar electronic-hydraulic system optimization and simulation. And the 3D visualized animation based on ADAMS overcomes the disadvantage of plane projection view relied on the imaginative space to establishment the three-dimensional graphics. Further more, the animation can real time show the displacement value of both spool and piston. This is useful in understanding and analysis their dynamic characteristics. .