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This work focuses on the development of a method to multiple-fault diagnosis of a mobile robot system in the presence of hide effect. The faults under consideration include parametric faults, sensor faults as well as fault modes. Multiple faults can happen at different time instances, and fault signature of the earlier fault can hide fault signature of the latter one which adds to difficulty of the...
Study of low frequency, small size transducers was an important aspect for development of underwater acoustic transducers. Flex-tensional transducers of Class ? are typical low frequency, high-power and small size transducers. For reducing the resonance frequency, a new kind of flex-tensional transducers with excitation from folded actuators was put forward. The transducer was designed with finite...
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