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As one of the key characteristics of virtualization, live virtual machine (VM) migration provides great benefits for load balancing, power management, fault tolerance and other system maintenance issues in modern clusters and data centers. Although Pre-Copy is a widespread used migration algorithm, it does transfer a lot of duplicated memory image data from source to destination, which results in...
Display driver is a basic driver of a system, in order to port WINCE to the platform based on e-paper, we developed a E-paper driver for WINCE. This paper analyzed display characteristics of e-paper in detail and compared the Apollo controller with others. Considering the e-paper's refresh rate is too slow, we put forward a specific solution - a passive-refresh display strategy for the display controller-...
Angular acceleration feedback will help improve dynamic transparency and reduce non-linear behavior of flight motion simulator axes motions. FIR and Kalman angular acceleration estimator design method are investigated in this paper. A detailed performance comparison is proposed and the results indicate the angular acceleration estimators present an effective routine to produce the high fidelity flight...
Control system architecture will help eliminate or reduce non-linear behavior of flight motion simulator axes motions. This elimination and reduction will help improve dynamic transparency in HWIL simulations. The control strategy proposed in this paper combines the sliding mode control and the angular acceleration feedback to suppress the influence of payload variation, nonlinear friction and external...
In this paper, we discuss the use of acceleration feedback control (AFC) to improve the tracking performance and robustness of controllers for mechatronic systems. It is shown that acceleration feedback loop can resist the effects of uncertainty such as the inertia changes and dynamic disturbances; furthermore, it can compensate the existing structural resonances. To mainly investigate the ability...
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