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In real-world applications, cranes usually suffer from parametric uncertainties, such as unknown friction, cart mass, load mass, and wire length. Moreover, existing crane control methods cannot guarantee the motion scope of the cart, since merely asymptotic results, at best, can be obtained due to the underactuated nature. Due to unexpected overshoots, existing methods, if not well tuned, may drive...
It is the focus of the research on the bearingless motors to suspend the rotor stably by controlling rotor radial displacement. Without studying the relationship between the radial suspension force and rotor radial displacement, traditional control method for rotor radial displacement has some drawbacks such as the complexity of computation and the time-consuming tuning. In order to overcome these...
The magnetic surface acoustic wave (MSAW) devices developed in recent years are a class of tunable surface acoustic wave devices (such as filters, tuners, oscillators, etc.) which are important parts of radar, sonar, TV, computers and other modern communication systems. Giant magnetostrictive thin films (RGMFs) have high energy, large magnetic response, and high elastic modulus as well as the function...
Series compensation technology is an effective method of improving stability limit and transfer capability. However, the high fault current and over voltage caused by its specific transient process will make system equipment working in bad condition and threat the running of system. The article takes Jindongnan - Nanyang - Jingmen UHV AC transmission demonstration project as example, uses electromagnetic...
This paper presents the mathematical models and computer simulation for the power system of Yantai-Dalian train ferry. Firstly the system configuration is illustrated and then the mathematical models of main components are presented. Finally three typical dynamic operating scenarios are investigated through the computer simulations with Simulink. From the simulations, it is found that the machines...
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