Yanjie Zhai

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The core of the Internet of things is the acquisition and transmission of information, extension and expansion of the client to any goods and goods between, the exchange of information and communication. Cloud computing refers to the use of mode of delivery and the IT infrastructure. The rapid development of Internet of things technology will greatly(More)
Considering the pitch sensor fault of pitch systems in wind turbines, a multi-innovation observer based fault detection method is proposed. The pitch system can be modeled as a second order differential equation. And then the equation is transformed into a state space model. According to the state space model, a multi-innovation observer is designed to(More)
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