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In this paper, the characteristics of the kinetic reliability of space four-links mechanism are analyzed and the relationship between the kinetic accuracy and wear clearances in joints is explored, using Advanced First Order and Second Moment (AFOSM) method and Monte-Carlo Simulation (MCS). The Archard wear model is applied to analyze the increasing wear clearances in joints; and the function between...
In this paper, a fully automated, low-cost, real-time illuminance measurement system for LED long term reliability tests is proposed. The system has only one photodetector to measure the illuminance of all samples inside the test chamber during the reliability test. With a proprietary algorithm, a single photodetector can measure the illuminance of all samples in the chamber by sequential scanning...
In this paper, a fully automated, low-cost, real-time illuminance measurement system for LED long term reliability tests is proposed. The system has only one photodetector to measure the illuminance of all samples inside the test chamber during the reliability test. With a proprietary algorithm, a single photodetector can measure the illuminance of all samples in the chamber by sequential scanning...
In this paper, we present the first-ever commercially available embedded Microcontrollers built on 90nm-node with silicon nanocrystal memories that has intrinsic capability of exceeding 500K program/erase cycles. We also show that the cycling performance across temperature (-40C to 125C) is very well behaved even while maintaining high performance that meets or exceeds the requirements of consumer,...
It is critically important for improving the wide area situation awareness of the operators or operational engineers and regional reliability coordinators of a large interconnected systems to prevent large scale cascading system outages. This paper describes an advanced wide-area power system visualization application (WAPSVA) for the real-time reliability monitoring using real-time synchrophasor...
Measuring corona discharge current directly on the high-voltage side is essential for the discharge mechanism research of the test object. The amplitude of the corona discharge current is in microamperes, and its frequency ranges from DC to megahertz. An optical microcurrent transducer for measurement of the current is described in this paper based on an amplitude modulation principle. A low-pass...
A Si3N4/SiO2 double-tunneling layer is incorporated in a MONOS memory device structure with high-k HfO 2 charge storage layer for NAND-type memory application. Fast erasure of charges trapped in the high-k layer is enabled by enhanced hole current, accomplishing a large memory window of 2.9 V with electrical stress at 17.5 V for 100 (as and at -18 V for 5 ms. Incorporation of 1.6-1.8 nm thick Si3N...
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