Plasma flow velocity fluctuations have been directly measured in the high temperature magnetically confined plasma in the Madison Symmetric Torus (MST) Reversed-Field Pinch (RFP) [R. N. Dexter et al., Fusion Tech. 19, 131 (1991)]. These measurements show that the flow velocity fluctuations are correlated with magnetic field fluctuations such that the electromotive force v ̃ H B ̃ approximately ba...

The application of flux-observer-based sensorless control to permanent-magnet brushless ac motor drives is described. Current methods of speed estimation are assessed, both theoretically and experimentally, and an improved method, which combines the best features of methods in which speed is derived from the differential of rotor position and from the ratio of the electromotive force to excitat...

Influence of a dc electric field, microwave and terahertz (up to 1.63 THz) excitation on the carrier transport in moderately compensated n-InSb containing graded n/n+ junction is investigated. Hot electron thermo-electromotive force and field dependences of the dc-conductivity were measured within 10-110 K. Peculiarities of electron gas heating and lowtemperature electron transport can be a...

The development of system for linking the kilogram to electrical quantities is described in this paper. The method is based on a multifilar pendulum interacting with a coil, where a variable electromotive force that produces a current in the coil and in a suitable external resistor is generated. The electrical energy dissipated is measured and the mass is evaluated from this energy and from the...

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