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Based on a decentralised control structure, two fast nonlinear model predictive control (FNMPC) algorithms — a gradient-based FNMPC and a Newton-Raphson-based FNMPC — are investigated and compared for the tracking control of the motor angular velocity of a hydrostatic drive train, which is commercially used in working machines. A flatness-based approach is employed for the tracking control of the...
In order to improve the system accuracy of fault diagnosis, this paper proposes the integrated fault diagnosis method based on multi-SVM classifiers. MultiBoost integrated learning method using the AdaBoost algorithm and Wagging algorithm composed of multiple integrated with a combination of base classifiers to improve the classification accuracy of the system. The simulation results show that the...
A comparison of two control strategies using extended linearisation - with and without an integral part - is presented in this paper for the tracking control of a hydrostatic transmission. An unknown leakage volume flow and a resulting load torque are taken into account as lumped disturbances. These disturbances and two unmeasurable state variables - the normalised swashplate angle and the normalised...
This paper focuses on the numerical investigation of arc plasma behavior in a certain type molded circuit breaker. A 3-D simulation model based on the magneto-hydrodynamics theory is built and calculated. The basic arc parameters are described by the coupled equations of gas dynamics and electromagnetic field. By adopting a thin layer of nonlinear resistance elements to represent the voltage drop...
A sliding-mode approach with disturbance compensation is proposed in this paper for the tracking control of a hydrostatic drive train, which is commonly used in off-road vehicles. A control-oriented modelling results in a system of four nonlinear differential equations which are subject to uncertain actuator dynamics with saturation effects and unknown disturbances — a leakage volume flow and a disturbance...
The rasterization stage in a graphics processing unit (GPU), which consists of triangle setup, rasterization, and parameter interpolation with plane equations, always requires huge operations and is usually the bottleneck of the performance. For real-time applications, a universal rasterizer (UR) with edge equations and a tile-scan triangle traversal algorithm are proposed for low cost graphics rendering...
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