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In steel industry, reheating furnaces are the biggest energy consumers after the blast furnace. The purpose of a slab reheating furnace is to heat steel slabs to a suitable temperature profile (around 1250°C) before entering to hot rolling phase. The reheating furnace is divided in zones, each zone being controlled independently. In this paper, a model considering the coupling effect between zones...
In this letter, we report a piezoresistive amorphous carbon strain sensor fabricated on a flexible polyimide substrate. Amorphous carbon was sputter-deposited onto a 125--thick polyimide film and the strain gauges were tailored using laser micromachining. The strain sensors were tested by using a cantilever setup to obtain sensitivity, hysteresis, repeatability, and dynamic response. Gauge...
So far MEMS inertial accelerometers has struggled to reach tactical grade quality only and their bias stability and thermal drift are still obstacles to be overcome for inertial navigation systems. This paper reports on an ultrahigh precision MEMS closed-loop accelerometer recently developed by Colibrys, and the focus is on long term bias stability and thermal drift. The improvement in bias stability...
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