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This paper presents the motion simulation of an autonomous underwater helicopter (AUH), a new type of underwater vehicle proposed by Zhejiang University. In order to determine whether its controllability meets the design requirements, a singularity-free unit quaternion stable control method is used for simulating the AUH performance in MATLAB, including its force and trajectory under different types...
SDN is known as a decoupled architecture separatingthe control and data planes. The controller is in charge ofnetwork nodes through a southbound interface. However, it iscostly to impose all controllers to control each node separately. Meanwhile, the layout of controllers affects the network's abilityto respond to network events. Therefore, the controller placementis an important problem in SDN community...
Capacity proportion frequency allocation compensation parallel control strategy based on the multiple synchronous rotating reference coordinates control is proposed to overcome difficulties in the field of high power application. The zero steady-state error compensation is implemented and the overall stability of the system may be improved by the multiple synchronous rotating reference coordinates...
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