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A new sensing architecture aiming at negative threshold voltage detection for 3D NAND Flash memory cells is proposed. This sensing architecture does not need triple well devices and negative voltage supplies. In this architecture, we apply 2 V to source line (SL) rather than 0V which is always used in conventional method. We prove that this architecture is feasible by Technology Computer Aided Design...
Linear induction motor (LIM) can move along a line rail directly, so it is necessary and feasible to use the position closed-loop method. A mathematical model centered on the synchronous d-q reference frame is presented to analyze the LIM. The position closed-loop method and the secondary field oriented vector control strategy are induced in detail based on the mathematical model. Simulation and experiment...
Wireless sensor networks (WSNs) can be used in many applications. Object tracking is one of the most important applications. There are many researches about tracking individual object but few researches on tracking continuous object. Continuous object affects a large number of nodes so needs more communication and cooperation to track it comparing with individual object. In this paper we propose an...
In order to resist the attack from malicious Cognitive Radio (CR) users, a reputation-based collaborative spectrum sensing model is proposed in this paper. In this model, each collaborative CR user has a reputation degree, which is set by the central controller and used to weight the sensing result from corresponding CR user in the fusion process at the central controller. We analyze and evaluate...
The line induction motor (LIM) is widely used for its some virtues due to the development of the sinusoidal pulse width modulation (SPWM) and vector controller (VC) technologies. Both the position loop and current loop are the necessary feedback control elements for the motor controller for it is efficient, flexible and anti-interference. As usual, the position loop for the LIM can be fulfilled by...
Secure data fusion is an important application of wireless sensor network. Previous works are implemented by authentication among neighboring sensors. Considering that in many cases, data fusion event is both spatially and temporally correlated, this paper proposes a distributed and localized secure data fusion algorithm based on behavior trust. The security and reliability of the algorithm are implemented...
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