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Differential uncertainty is involved in actual system inevitably. That brings great inconvenience for the controller design. In this paper we treat the differential uncertainty as a separate item, and use the robust control theory to analyze the robust performance. Considering the impact of parameter variations, un-model dynamics and external disturbances, we design robust H2/H8 controller. We use...
Many MEMS devices such as accelerators, gyroscopes, un-cooled infrared sensors, etc. require vacuum packaging. The vacuum maintaining lifetime directly determines the vacuum packaging reliability. This research presented a quantitatively analysis of the relationship between the leak rate and the vacuum maintaining lifetime, and demonstrated the leak rate measurement plays great importance. This paper...
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