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For suspension control of low-speed PEMS train, the usual strategy is to separate the maglev module into two individual single points, which neglects the coupling effect of adjacent single point. To suppress the coupling effect, this paper suggests the method of designing control law considering the whole module. The simulation result verifies the validity of the new control law, which can suppress...
Load shedding is an efficient solution to improve power system reliability when a contingency occurs. Considering loads difference has great significance in the process of load shedding. This paper proposes a new minimum load shedding calculation approach based on multi objective optimization theory. The load shedding model proposed in this paper considers the loads difference and introduces the importance...
A novel simultaneous strategy for solving dynamic optimization problems (DOPs), which obtains symbolic derivation of the original problems before discretization, is studied in this work. In this strategy, the discretized nonlinear program (NLP) can be separated into two parts, named model-part and method-part. The model-part is determined by the original DOPs, and the method-part is decided by a collocation...
To overcome the inefficiency of the traditional numerical methods that implement the anisotropic diffusion model for image denoising, a novel lattice Boltzmann model of anisotropic diffusion is presented in this paper. In the model, the diffusion rate is adapted to the image itself and independently set for each direction of diffusion. The mass accumulation is calculated through a weighted summation...
In this paper, the design variables of the contacts with two segments coil AMF for a vacuum interrupter (VI), such as the contact diameter, the coil height, the coil thickness and the slot number of the contact were taken as the main design parameters in the orthogonal experiment. And by normalization, the AMF characteristic was numerically simulated using 3D finite element analysis and taken as the...
Combining the backstepping approach with the pointwise integral mechanism, a novel adaptive repetitive learning control for high-order nonlinear systems with time-varying and time-invariant parameters is proposed. It can be applied to the time-varying parametric uncertainty systems with unknown compact set, non-vanishing, rapid time-varying, periodic and where the prior knowledge is the periodicity...
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