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Energy consumption becomes a very important performance indicator of manufacturing system. By turning non-bottleneck machines into sleep mode, energy saving system operation in real time will be indispensable strategy for modern information rich manufacturing system under Industry 4.0 environment. From the system perspective, a general energy saving operation strategy is proposed to utilize the transient...
Three-dimensional (3D) modeling of CMOS active pixel image sensor from process to opto-electronic response is reported in this work. Process simulation is performed by Crosslight CSuprem while the optical effect is simulated by finite difference time domain technique and the electronic response by 3D drift-diffusion software APSYS. The electronic responses are presented versus various power intensity...
In MEMS based systems, sensors and actuators play a key role. Since actuators are often based on micromirrors, we have chosen a specific micromirror MEMS system for daylight guiding as an example for this integration. The requirements of a networked sensing system designed to cope with such electrostatic actuable micromirror array modules will be developed. The networked sensing system is required...
We studied the feasibility of estimating walking speed using two shank-mounted accelerometers. Our approach took advantage of the inverted pendulum-like behavior of the stance leg during walking to identify a new method for dividing up walking into individual stride cycles and estimating the initial conditions for the direct integration of the accelerometer signals. To test its accuracy, we compared...
We report on the design and estimated performance of a balloon-borne hard X-ray polarimeter called HX-POL. The experiment uses a combination of Si and Cadmium Zinc Telluride detectors to measure the polarization of 50 keV-400 keV X-rays from cosmic sources through the dependence of the angular distribution of Compton scattered photons on the polarization direction. On a one-day balloon flight, HX-POL...
We present different applications of systems including networked sensors and micro- and nano-mirror arrays on large areas for light deflection and control. Mirror arrays are intended for implementation into windows of buildings to provide functionalities like daylight guiding into rooms, heat regulation and glare protection. Placed between the two panes of a window, these mirrors are maintenance-free...
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