This paper proposes an observer-based volts-per-hertz (V/Hz) control method for induction motors. The proposed method consists of a state-feedback control law and a flux observer, both of which are ...

Water fasting involves consuming only water and is used for religious reasons or weight loss. Learn about its benefits and risks.

Water expert warns that tap and bottled water contain harmful chemicals, with 200 million Americans drinking PFAS-contaminated water and consuming microplastics weekly.

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The measurement distance is one of the most important parameters for distributed acoustic sensor (DAS). In this paper, we report a long-distance and high-sensitivity DAS system based on time-gated ...

The government has launched an inquiry into ‘forever chemicals’ increasingly found in Britain’s water supply - but campaigners say not enough is being done.