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This work develops an Adaptive Disturbance Compensation (ADC) control scheme for hand-held electrical nutrunner system. ADC deals the adverse effects of external disturbance and modeling uncertainty that are commonly associated with the electrical nutrunner that is powered by a servomechanism. ADC adaptively adjusts the compensator gains in real time, so that the output of the actual system following...
It is well known that temperature variation affects a MEMS device's performance. In this paper, the effect of temperature on the whole MEMS based gyroscope is observed by recording and analysis the zero rate output (ZRO). The effect of temperature on the ZRO comes from material parameter changing and electronic parameter changing. With temperature changing, the ZRO of the gyroscope suffers from changes...
Design and implementation is critically important for micro electro mechanical systems (MEMS) based devices, modules. As a typical instance, modern attitude and heading reference systems (AHRS) generally use Kalman Filter to integrate gyroscopes with some other augmenting sensors, such as accelerometers and magnetometers, so as to provide a long term stable orientation solution. While warpage of printed...
Double valves system simulation model is established in AMESim environment, By comparing with experiment, The simulation model can accurately predict injection characteristics of the double valves system. The influence of the parameters such as piston diameter, cam velocity, piston matching clearance, SV valve lift, NCV valve lift, needle valve lift and injector diameter on the main fuel injection...
With the advance of globalization, R&D internationalization has become a trend, with the outreach including the less-advanced economies. This paper sets out to examine empirically the factors underlying R&D intensity of the Taiwan-based MNCs in China for 2003-06, with a specific focus on the effect of their cross-border technology linkages and R&D networks. Our empirical evidence from...
As one of leading countries in the digital economy, Taiwan has a significantly higher number of Internet hosts per capita. With Taiwan's manufacturing sector as a case study, this paper aims to explore the determinants of e-commerce adoption by manufacturers. Drawing on the database of the recent industrial census, the empirical results show that highquality human capital will benefit firms in engaging...
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