This paper considers the carrier based signal injection method in three shunt sensing inverter (TSSI) for sensorless motor control and analyzes the loss according to the injection axis of the voltage signal. To remove both phase current and rotor position sensors, sensorless method and phase current reconstruction method can be simultaneously considered. However, the interaction between two met...

Switched linear hyperbolic partial differential equations are considered in this paper. They model infinite dimensional systems of conservation laws and balance laws, which are potentially affected by a distributed source or sink term. The dynamics and the boundary conditions are subject to abrupt changes given by a switching signal, modeled as a piecewise constant function and possibly a dwell...

рассмотрены вопросы высокоскоростной коммутации сигналов в оптической шине передачи данных на печатной плате. Для создания оптических коммутаторов предлагается использовать каскады волноводных интерферометров Маха–Цендера основе электрооптических полимеров с фторсодержащими хромофорами боковой цепи, способными изменять показатель преломления под действием приложенного электрического поля. Такие...

Abstract: This paper deals with the design problem of reliable H� fuzzy switching controllers for continuoustime nonlinear systems with different actuator fault mode. First, the Takagi-Sugeno (T-S) fuzzy model is employed to represent a nonlinear system. Next, based on the fuzzy model, a faulty switched system is constructed to model various classes of faulty nonlinear systems. The objective is...

This paper presents nonlinear optimization based position and speed estimation scheme for IPMSM drives with arbitrary signal injection generated by inherent switching ripples associated with finite control set model predictive control (FCSMPC). The existing standard sensorless techniques are not suitable for FCSMPC which applies voltage vectors directly to an electrical machine without a modula...

This paper presents the adaptive control parameter identification of switched nonlinear system that uses model reference adaptive control (MRAC) method to track the variation of the state error to approach the ideal values. MRAC is treated as a class of switched nonlinear systems in which the unknown parameters appear linearly. At the same time, switched systems ensure the whole system stay sta...

Commercial multi-channel energy spectrometers have good performance, they multiple input signal channels and analyzers, which can simultaneously acquire the spectrum of nuclear pulse signals. But channel this general spectrometer cannot be switched between internal an only fixed to corresponding analyzers. Hence, resolve issue, paper designed a array switching circuit. The core circuit is switc...

We prove two more results on controllability of LTI systems with switching delays. Firstly, we improve our previous results on controllability verification (when arbitrarily large look-ahead of the switching signal is allowed) by providing an algorithm which is not restricted to regular matrices. In particular we provide a more detailed analysis for nihilpotent matrices (i.e. matrices with only...