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Autopilot is a very important part of the control system, which is used to control the rudder and keep the ship running in a correct direction. The performance detection platform of autopilot is built to test the performance of autopilot in the land-based condition, and we need to simulate the ship motion. According to the Maneuvering Modeling Group (MMG), we establish a mathematical model of ship...
The accuracy of flight path angle is significant in carrier landing, thus the control of flight path angle is studied in this paper. A flight control system is designed via higher-order sliding mode which is bounded, continuously time-dependent, and provides higher accuracy than standard sliding mode. The robust exact differentiator is used to calculate the higher-order derivatives of sliding mode...
Zoeppritz's equation is a set of equations that describe the relationship between the displacement amplitude of the reflection and refraction waves and the one of the incident plane wave at the interface of two media, from which the partitioning of wave energy at the interface can be inferred. The echo signal energy is directly affected by the value of the incident angle when oblique incidence of...
In view of the operation characteristics of pump application, pump system should have high efficiency and energy saving during the whole operating process. A novel efficiency-optimization control strategy is presented to meet the demand of high efficiency of variable speed high efficiency PMSM. The core of this strategy is the excellent integration of mended maximum torque to current control algorithm,...
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