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Since vessel dynamics could vary during maneuvering because of load changes, speed changing, environmental disturbances, aging of mechanism, etc., the performance of model‐based path following control may be degraded if the controller uses the same motion model all the time. This article proposes an adaptive path following control method based on least squares support vector machines (LS‐SVM) to deal...
Aims and objectives
To compare persistence and outcomes of non‐vitamin K antagonist oral anticoagulants (NOACs) versus warfarin in Chinese patients with non‐valvular atrial fibrillation (AF).
Background
Given the unpredictable warfarin response and the costliness of NOACs, more research is needed to clarify which drug enjoys better persistence and outcomes, helping to provide personalised care...
The unmanned surface vessel (USV) can provide effective means for ocean exploration and traffic regulation, and has become a research hotspot in the field of marine shipping because of its low cost, high efficiency and other advantages. To realize the accurate control of USV movement can provide technical guarantee for the realization of USV autonomous navigation. The research of USV course control...
In this paper, a composite method based on least squares support machine (LS-SVM) and backstepping is proposed for the ship heading control. In the method, the control object is set up as the response model, which could consider the delay of the ship's steering gear. Firstly, a feedback controller is designed by backstepping, and a feedforward inverse controller is trained by LS-SVM. Then the backstepping...
This paper analyzes the drivers of television media asset management outsourcing in China, establishes a decision model for outsourcing in television media asset management from three dimensions - strategic position, heterogeneous resource and media capability, and constructs four outsourcing modes, which are learning-oriented mode, cooperation-oriented mode, entrustment-oriented mode, and transfer-oriented...
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