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For a certain real-time task scheduling problems with characteristics of uncertain task sets, the executing time dynamic changing and the task's mutual coupling strength dynamic changing, a multi-tasking dynamic scheduling algorithm is proposed based on dynamic weight value compensation and adaptive task jumping, which solved the loads storming caused by the dynamic task scheduling as well as the...
In view of design characters of CCBII brake, a state monitor system based on multi-hierarchy evaluation architecture and fuzzy evaluation method is given. Block diagram of brake state monitor system is given, and design features and functions of each part are described, design methods of factor set, safety degree set and itpsilas criterion in multi-hierarchy evaluation system are discussed. Key points...
To achieve braking control of locomotive brake control system (LBCS) accurately and steadily under high nonlinearity various time delay condition, a locomotive brake control method based on T-S fuzzy modeling predictive control (MPC) is proposed. Firstly, the paper uses fuzzy clustering method (FCM) to initial parameters, and uses back-propagation algorithm to rectify rectified its premise parameters...
It is obviously that air pressure has the specialties of nonlinear and incertitude, and especially the tiny air pressure is so difficulty to be controlled accurately. A control method of the betterment of expert control is presented to solve these problems. The method uses groovy expert control to define the rules, uses intelligence arithmetic to achieve the dead-time of electric air value and adopts...
This paper presents a new adaptive flux observer with a constant gain for speed identification. The theory of Lyapunov stability is used to design adaptive flux observer and speed estimator. The stability of flux observer is gauranteed by a linear matrix inequality (LMI), and the constant observer gain is obtained by solving the LMI with LMI toolbox in MATLAB. The problem of unstable region which...
This paper designs a full-order adaptive observer and proposes adaptive identification laws for speed and stator resistance based on the proposed observer. By using the theory of Lyapunov stability, the gain of the observer can be obtained by solving two bilinear matrix inequalities using the LMI toolbox of MATLAB, which solves the problem of the unstable region in theory and the inaccurate estimation...
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