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In this paper, we address the leaderless consensus problem of multiple robotic manipulators with communication delays. Taking dynamic uncertainties of the robotic agents into consideration, we perform the distributed adaptive output feedback control scheme design for strongly connected information topology, where the communication is subject to constant and(More)
As electro-mechanical energy conversion interface of electro-hydraulic control valve, the electro-mechanical converter has a crucial influence on the performance of valve itself and thus the whole electro-hydraulic control system. In this paper the mathematical model of electro-mechanical converter using stepping motor was established and its frequency(More)
In order to investigate the effects of the temporal instability and spatial non-uniform of the sonar propagation medium on the imaging of synthetic aperture sonar (SAS), the dynamic variation of sonar propagation medium is studied through measuring the phase stability of SAS signals in this paper. At the same time, the effects of the instable sonar(More)
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