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The Prognostics and Health Management (PHM) system for radar equipment is paid more and more attention by researchers in recent years. Owing to its high reliability and performance, the Active Phased Array Radar (APAR) has been playing an increasingly important role in the modern radar field which is composed of thousands of solid-state Transmit/Receive (T/R) modules. As the power source of the T/R...
As the technology scales down, the increased power density brings in significant system reliability issues. Therefore, the temperature monitoring and the induced power management become more and more critical. The thermal fluctuation effects of the recently discovered spintronic memristor make it a promising candidate as a temperature sensing device. In this paper, we carefully analyzed the thermal...
Anti-rutting agent (ARA) is a new composite material which aimed at improving high temperature stability of asphalt pavement. The main objective of paper is to evaluate workability and high temperature performance of ARA modified asphalt mixture, for the climate and heavy load characteristics of the northwest area. Lots of lab tests have been done to investigate the influence on three high temperatures...
As a sewage pretreatment unit, septic tank has played an important role in environmental pollution treatment. The quality of domestic sewage and the removal rate of various pollutant indices were analyzed after the treatment in the septic tank, through the investigation on the septic tanks of Chaohu City, located in Anhui Province, P R China. The results of the research indicated that the removal...
The problems such as the easily frosting of the evaporator and the poor system performance in low outdoor temperature can be effectively solved with the solar-air dual-source heat pump technology. In this paper, based on the previous working of the research group, the steady distributed parameter method has been adopted to establish the mathematical model of a new solar-air dual-source heat pump system...
A daily gas load forecasting method based on Support Vector Machine theory is developed in this paper. Some aspects of data preprocessing are discussed, such as normalization method, data grouping method and the period of history data using as input vector. Proper normalization method, which is to map gas load data from the small and narrow range to the big and wide, will improve the forecasting accuracy...
This paper explores a means to control the active disassembly (AD) process for designed and manufactured heat-activated shape memory polymer snap-fits. Testing was performed for demonstration of the active release of the SMP snap-fits and for analysis of AD control factors. Robust design methodologies with Taguchi methods were used to analyze the AD process factors, including heating method and disassembly...
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