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Ultralow‐Power Machine Vision In article number 2106092 , Bobo Tian, Hui Peng, Chungang Duan, and co‐workers demonstrate that photovoltaic sensors can be used for in‐sensor reservoir computing (RC). Brain‐inspired vision is achieved by in‐sensor RC based on self‐powered Cs 2 AgBiBr 6 photontic devices. Both image processing and dynamic video analysis are energy‐efficiently achieved with a high accuracy of 99.67% for face classification and 100% for dynamic vehicle flow recognition.

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SUMMARYThis paper studies control designs for a class of nonlinear descriptor systems under state undecomposed status and presents a number of new results on the stabilization, H∞ control, and robust adaptive control. It is shown that under a suitable state feedback, two sufficient conditions of impulse‐free can be established for the resulted closed‐loop system. Using the established conditions, the stabilization problem is then discussed for the nonlinear descriptor system, and a stabilization control design procedure is presented; on the basis of which, an admissible H∞ controller and an admissible robust adaptive controller are designed for the system with external disturbances and/or parametric uncertainties. Simulation results on a nonlinear descriptor circuit system show the efficiency of the controllers proposed in this paper. Copyright © 2012 John Wiley & Sons, Ltd.