نتایج جستجو برای: linkage flux
تعداد نتایج: 139164 فیلتر نتایج به سال:
Translational medicine is a branch of medical research that attempts to more directly connect basic research to patient care. Translational medicine is growing in importance in the healthcare industry, and is a term whose precise definition is in flux. In the case of drug discovery and development, translational medicine typically refers to the “translation” of basic research into real therapie...
In this paper, a novel intensifying-flux variable flux-leakage interior permanent magnet (IFVF-IPM) machine is proposed, in which flux barriers were designed deliberately between the adjacent poles to obtain effect and property. The rotor topology design principles of proposed are also introduced. Then, multi-objective optimization method adopted based on sensitivity analysis, some variables IF...
This paper proposes a modified primary flux linkage and an improved weighting less model predictive control for linear induction motors (LIMs) to enhance the drive system in terms of speed response, wide range, efficiency, computation time. Sliding mode controller is presented this work get quick response instead use PI controller. A (MPFC) employed eliminate factor reduce Furthermore, optimum ...
the incidence of pre-lingual hearing loss (hl) is about 1 in 1000 neonates. more than 60% of cases are inherited. non-syndromic hl (nshl) is extremely heterogeneous: more than 130 loci have been identified so far. the most common form of nshl is the autosomal recessive form (arnshl). in this study, a cohort of 36 big arnshl pedigrees with 4 or more patients from 7 provinces of iran was investig...
This paper presents design procedures of a transverse flux linear motor (TFLM). The minimum and maximum flux linkage was determined by the simplified equivalent magnetic circuit and estimated average magnetic flux density at the air gap region by considering the shape of applied magnetomotive force (MMF). With this information, the number of turns of each phase winding was calculated based on t...
This paper presents a comparative study of two types of wound field three-phase switched-flux machine (SFM) with non-overlap winding and salient rotor. Both armature and field winding are located on the stator and rotor is composed of only stack of iron. Non-overlap armature and field windings and toothed-rotor are the clear advantages of these machines as the copper losses gets reduce and roto...
In the conventional direct torque control (DTC) of a permanent magnet synchronous motor (PMSM), hysteresis controllers are employed to select the proper voltage vector resulting in large torque ripples, and the inverse voltage vector, used in this system instead of the zero voltage vectors used in an induction motor, can accelerate the torque response but enlarges the torque ripples at the same...
This paper proposes a new consequent-pole permanent magnet vernier machine (CPMVM), which can be regarded as combination of two conventional CPMVM with opposite polarities. Based on the simplified axial magnetic circuit model, it is verified that proposed reduce unipolar leakage flux. In order to torque ripple and improve output machine, flux barrier placed rotor machine. Then, parameters are o...
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