PERSHING Hydropak Model.
ARMY MISSILE RESEARCH DEVELOPMENT AND ENGINEERING LAB REDSTONE ARSENAL ALA GUIDANCE AND CONTROL DIRECTORATE
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This report presents the detailed math model of the PERSHING Unitized Hydraulic Actuator System or Hydropak. The governing equations are derived, a simplified analog simulation is used to check the model, and a detailed digital simulation model is presented as well as response data from seven depot stock hydropaks. Sensitivity and parameter identification techniques are utilized to match the model to the actual hydropak response data.