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Model predictive control (MPC) strategy is a typical optimization predictive control method. MPC can achieve satisfying control performance with lower model parameter dependency, and it has been widely applied in process control systems. To improve the system reliability and reduce the hardware cost, extended Kalman filter (EKF) was introduced to achieve sensorless operation. A novel speed sensorless...
To the requirements that SOC equalization system for real-time data acquisition and accuracy of voltage, temperature and current of each single battery, using the special battery test chips- LTC6804-1 made in the company of Linear which have been cascaded and combining microprocessors of Freescale KEA128 series can complete the data collection to a large number of cells in a relatively short period...
This paper presents a memory and computation efficient three dimensional simulation system for the ultraviolet (UV) lithography process of thick SU-8. The simulation system is developed based on a novel fast marching method based on full hash table. To investigate the simulation system, some simulations under different lithography conditions have been conducted by this system, using various simulation...
The chattering is inevitable in using Variable Structure Controller (VSC) to control two-wheeled unstable vehicle. Although the traditional methods which are improved the reaching law and the switching surface effectively impair the chattering, they impair the anti-interfering of VSC at same time. To solve this problem, the dynamic pseudo sliding mode control with disturbance compensation term is...
A general formula for the probability of SRLG-based sequential dual-failure is derived. Based on this, connection availability of SRLG-based shared path protection is calculated in WDM mesh networks. Comparing with existing method, its accuracy is proved better through simulation.
This paper applies a neural-network-based approximate dynamic programming (ADP) method, namely, heuristic dynamic programming (HDP), to an industrial sucrose crystallization optimal control problem. The industrial sucrose crystallization is a nonlinear and slow time-varying process. It is quite difficult to establish a precise mechanism model of the crystallization, because of complex internal mechanism...
In order to solve the problems of missile's safety and arming device identifying missile's overloading, that is the phenomena of "arming movement accumulating" of the untuned runaway escapement in collision experiments, and tooth breaking in impulsion experiments, when adopting setback arming device driven by single mass slider. This paper brings forward a principle of untuned runaway escapement...
Aiming at the shortage of traditional seasonal variation model, the combination of gray model with self-memory model was proposed for improving traditional seasonal variation model. The application of gray model used to dig out the long time trend and self-memory model to solve problem of non-linearity of the model's seasonal fluctuation. The case study showed that the proposed model has higher precision...
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