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flux-weakening (FW) control

Flux weakening control of Permanent Magnet Machine based aircraft electric starter generator

Flux weakening control of Permanent Magnet Machine based aircraft electric starter generator

... presents control analysis and design for an aircraft electric starter-generator system based on a Permanent Magnet Machine (PMM) operated in Flux-Weakening mode ...

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Flux weakening control of electric starter generator based on permanent magnet machine

Flux weakening control of electric starter generator based on permanent magnet machine

... the flux weakening control systems reviewed above were mostly investigated (for stability and control design) for the motoring mode, there are very few reports on the design or stability ...

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Online optimal flux-weakening control of permanent-magnet brushless AC drives

Online optimal flux-weakening control of permanent-magnet brushless AC drives

... the flux-weakening range the actual -axis current cannot follow the demanded current due to the converter voltage ...feedforward control is integrated into the online optimal control ...

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Real-Time Flux-weakening Control for an IPMSM Drive System Using a Predictive Controller

Real-Time Flux-weakening Control for an IPMSM Drive System Using a Predictive Controller

... simple flux-weakening control method is ...proposed flux-weakening methods ...the flux-weakening control are very ...predictive control [15]-[16], this paper ...

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Sensorless flux-weakening control of permanent-magnet brushless machines using third harmonic back EMF

Sensorless flux-weakening control of permanent-magnet brushless machines using third harmonic back EMF

... sensorless control techniques have been developed for brushless dc (BLDC) and brushless ac (BLAC) ...sensorless control strategies, such as flux observers [4], model-reference adaptive control ...

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Design study of outer rotor field excitation flux switching motor for electric vehicles

Design study of outer rotor field excitation flux switching motor for electric vehicles

... poor flux weakening performance due to constant magnetic flux that required armature winding current control to operate in the flux weakening ...PM flux can be ...

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Seasonal variations of arsenic in mussels Mytilus galloprovincialis

Seasonal variations of arsenic in mussels Mytilus galloprovincialis

... of fishery products (Neff 1997). Not more than 2–10% of the total arsenic is potentially harmful as a toxic form (Fowler 1983; Freiberg 1988). The mean concentration of the total arsenic in molluscs was found to be ...

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Arduino Based FLC Implementation of Speed Control of Induction Motor

Arduino Based FLC Implementation of Speed Control of Induction Motor

... oriented control (FOC) technique is intended to control the motor flux, and thereby be able to decompose the AC motor current into “flux producing” and “torque producing” ...better ...

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Surreptitiously  Weakening  Cryptographic  Systems

Surreptitiously Weakening Cryptographic Systems

... a weakening not passing the surreptitiousness bar is that of the Data Encryption Standard (DES) block ...cryptographic weakening, it is not a surreptitious one, as the weakening from 64 to 56 bits ...

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Simulation and Experiment for Induction Motor Control Strategies

Simulation and Experiment for Induction Motor Control Strategies

... precise control of induction motor is not easy to achieve, because it is a complicated nonlinear system, the electric rotor variables are not measurable directly, and the physical parameters could change in ...

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Economics Grade 12&13 syllabus.pdf

Economics Grade 12&13 syllabus.pdf

... khztu;fis ikakhff;nfhz;l fw;wy; - fw;gpj;jy; nraw;ghl;by; Njliy mbg;gilahff;nfhz;l fw;wy; mZFKiw ( Inquiry Based Learning Aproach ) mDgt mbg;gilapyhd fw;wy; mZFKiw ( Experimental Based L[r] ...

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Fw-contractions in a complete G-metric space

Fw-contractions in a complete G-metric space

... [7] introduced the notion of the F -contraction in the G-metric space and proved a fixed point theorem concerning the F-contraction.. In this paper, using the concept of the G-metric, we[r] ...

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Performance studies of HEFSM with 6 slot  7 pole for HEV application

Performance studies of HEFSM with 6 slot 7 pole for HEV application

... the flux linking with the armature winding, with respect to the rotor ...required flux orientation for ...precise control of torque, speed, and position at no additional ...

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Assessing environmental impacts on stream water quality: the use of cumulative flux and cumulative flux difference approaches to deforestation of the Hafren Forest, mid Wales

Assessing environmental impacts on stream water quality: the use of cumulative flux and cumulative flux difference approaches to deforestation of the Hafren Forest, mid Wales

... and control time series ...and control concentrations. The middle graph shows the cumulative flux plot and the bottom shows the cumulative flux ...

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Direct Torque with Direct Flux Control of BLDC Motor in Two Phase Conduction Mode

Direct Torque with Direct Flux Control of BLDC Motor in Two Phase Conduction Mode

... stator flux linkage is given in the table ...the flux hysteresis comparator as ϕ and the flux linkage sector is denoted as ...The flux hysteresis comparator is a three valued comparator as ...

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Fault weakening caused by smectite swelling

Fault weakening caused by smectite swelling

... Fault weakening caused by smectite swelling Kameda?et?al Earth, Planets and Space (2019) 71 131 https //doi org/10 1186/s40623 019 1108 5 F U L L PA P E R Fault weakening caused by?smectite swelling J[.] ...

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Myrmekite and strain weakening in granitoid mylonites

Myrmekite and strain weakening in granitoid mylonites

... other weakening mechanisms, which are not con- sidered in our simplified model of granitoid (such as feldspar GSS creep, Bt deformation), may have concurred with defor- mation; and (ii) at low strain, myrmekite ...

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Influence of Ambient Calcium Levels on Tanniocalcin Secretion in the European EEL (Anguilla Anguilla)

Influence of Ambient Calcium Levels on Tanniocalcin Secretion in the European EEL (Anguilla Anguilla)

... Ionic hatched columns and total open columns calcium levels in plasma of eels 24 h after transfer from fresh water to fresh water FW-FW: N=13 or sea water FW-SW: N=12 and eels transferre[r] ...

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The Chinese soft shelled turtle, Pelodiscus sinensis, excretes urea mainly through the mouth instead of the kidney

The Chinese soft shelled turtle, Pelodiscus sinensis, excretes urea mainly through the mouth instead of the kidney

... Relative quantification fold-change of the mRNA expression of the putative UT in the anterior roof of the mouth of Pelodiscus sinensis kept in freshwater FW; control, or in terrestrial c[r] ...

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Permanent magnet machine based starter generator system with modulated model predictive control

Permanent magnet machine based starter generator system with modulated model predictive control

... HERE is a current tendency to implement electrical drives in transportation systems in order to achieve greater system efficiency and reduce emissions [1, 2]. For the aerospace sector, the More Electric Aircraft (MEA) ...

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