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Nearly half of the energy in the computing clusters today is consumed by the cooling infrastructure. It is possible to reduce the cooling cost by allowing the data center temperatures to rise; however, component reliability constraints impose thermal thresholds as failure rates are exponentially dependent on the processor temperatures. Existing thermally-aware job allocation policies optimize the...
This paper studies discriminant modeling method of compositional data. By adopting logratio transformation of compositional data and then implementing Fisher discriminant modeling method to the transformed data, the logcontrast linear discriminant function of compositional data is derived. The model presents the following advantages: i) the transformed data, which is scaled up to a broader range of...
In this paper, the deformation of throttle-slice for shock absorber, by elastic mechanic, was analyzed, the math model of its deformation was established. According to the relation of the stress with the deformation and the internal forces, the stress math model of throttle was found yet. Followed is a practical example for the computation of throttle-slice elasticity mechanics with this new method,...
We introduce a tuning space-mapping technology for microwave design optimization. The general tuning space-mapping algorithm is formulated, which is based on a so-called tuning model, as well as on a calibration process that translates the adjustment of the tuning model parameters into relevant updates of the design variables. The tuning model is developed in a fast circuit-theory based simulator...
According to the thickness and the pre-deformation of throttle slice, and the throttle hole area, the velocity points of valve opening were analyzed by the relation of flux to the velocity, and pressure to the deformation of throttle slice, then the analytic formulas of telescopic damper velocity at which valve opening were given. The outer characteristic model of telescopic damper was established...
We introduce a tuning space mapping (TSM) technology for microwave design optimization. For the first time, we formulate the novel TSM concept and show how it relates to the standard space mapping methodology. The new method is based on a so-called tuning model that is created using engineering expertise and knowledge of the design problem, but also utilizes the efficiency of space mapping for translating...
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