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A fast adaptive fault estimation algorithm is proposed to enhance the performance of fault estimation in linear time invariant system with unmatched unknown input. An algebraic method based on the unknown input observer for perfect decoupling of unknown input and estimation, is implementable if matching condition is satisfied. Matching condition limits the practical application of these methods. In...
Teleoperation systems in the medical usage, allows a surgeon to perform a remote distance operation with or without magnification. There is an increasing need to provide telerobots with the ability to interact with unknown and hybrid environments to detect the abnormalities and also performing the diagnostic procedures. In such environments it is challenging to guarantee the whole system stability...
In synchroes and resolvers, brushes and slip-rings produce a lot of noise in the output signal. Compared to encoders, the application of such position sensors in precision control systems are restricted because of their lower accuracy. In this research, a novel scheme of a brushless synchro is introduced. In this scheme, the secondary windings are mounted on the stator and the stator magnetic flux...
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