نتایج جستجو برای: hybrid process
تعداد نتایج: 1481595 فیلتر نتایج به سال:
This work focused on the influence of processing conditions on the mechanical properties of polypropylene (PP) and PP/mesoporous silica-hydroxyapatite (PP/MCM-41-HA) hybrid nanocomposites. The mechanical properties of PP were enhanced by adding MCM-41-HA nanoparticles. Neat PP and hybrid nanocomposites based on PP, containing maleic anhydride-grafted polypropylene (PP-g-MA) and MCM-41-HA, were ...
Designers of hydraulic structures are often faced with the problem of estimating flood frequencies at stream sites, where little or no flow information is available. A regional regression model is widely used which relates physical and climatological parameters to flow characteristics. In this study, a new method is used which is based on the station-year technique and combined records for seve...
The uniformity of yarn is one of the major quality parameters which significantly influences on yarn characteristics, warping, weaving, and ultimately fabric production. This parameter depends on fiber properties and spinning process directly. In this study, yarn non-uniformity in a worsted spinning system was predicted by using a hybrid technique involving Kohonen's self-organized and percep...
In this paper we outline the derivation of a hybrid Hamilton-JacobiBellman equation for our Multiple Agent Hybrid Control Architecture (MACHA) [5, 4] and a hybrid system dynamic programming methodology.
We present an iterative hybrid formative evaluation methodology incorporated in a Participatory Design process for an online multimedia course in Modern Greek. Our hybrid evaluation incorporates student surveys, log file analysis, solicitation of student feedback, and monitoring student discussions. The evaluation process is ongoing, and its results are incorporated in the design of the course....
Abstract: This paper presents a design approach for the configuration synthesis of series-parallel hybrid transmissions with eight-bar mechanisms. The final design consists of 54 mechanisms with eight members and twelve joints including a simple planetary gear train (PGT) and a double planet PGT. Then, by using the techniques of power and clutch arrangements, new series-parallel hybrid transmis...
In this paper, a compact magnetic bearing system has been developed for axial flow blood pumps. The system is composed of two radial hybrid magnetic bearings (HMBs) and a brushless permanent magnet DC motor. The impeller of the pump is enclosed in the rotor that is suspended by the two HMBs with five-degree of freedom (DOF) control, among which four radial directions are actively controlled, an...
A modeling process is presented for extracting timingaccurate simulation models from complex industrial realtime systems. The process is supported by two methods for tool-supported model extraction, Model Synthesis and Hybrid Model Extraction. The generated models enable impact analysis for complex real-time systems with respect to dynamic system properties, such as timing and resource usage. T...
We derive the differential equation governing the stationary states of the HMC equation. A field-theoretical formalism is developed for describing the continuous version of the system of discrete, point-like vortices in plane. The equation we obtain is ∆φ + sinh φ (cosh φ − p) = 0.
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