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There is serious conducted electromagnetic interference (EMI) in the application of medium-power variable-frequency drive (VFD) systems. The EMI passive filters which can suppress the noise can make the VFD systems comply with the relevant electromagnetic compatibility (EMC) standards. In this paper, combined with the experiment and measuring experience in related subjects, it describes the proper...
It is of great value to study control systems employing sensors and actuators which are geographically separated. In this paper, we study a system with bounded noise and stabilize it under output quantized feedback. Some people have done research on full-state observable linear systems. Here we consider the general(not necessarily full-state observable) output feedback situation with system noise...
A simple and fast criterion for determining the number of exponentially damped sinusoids in the matrix pencil method is presented by calculating the reduction rate of the singular values of signal matrix. Comparing with the conventional criteria, this new criterion is more convenient without considering the factor of signal-to-noise ratio, and ensures the high computational efficiency and accuracy,...
The term "indoor" here refers generally to enclosed space partitioned into subspaces with connecting doors or gates. Examples include the inside of office buildings, amusement parks, and indoor shopping malls. In many applications, it is desirable to keep track of the distribution of people within the enclosed space. These applications range from smart house with automatically controlled...
A CMOS analog front-end (AFE) circuit for portable biomedical signals acquisition system is presented in this paper. A low-power instrumentation amplifier (IA) is chosen as an AFE circuit for portable biomedical application using simplified differential difference amplifier (DDA). The presented IA is designed in standard 0.18 mum 1P6M CMOS process technology at a 1.8-V supply voltage. The simulation...
Edge grouping methods aim at detecting the complete boundaries of salient structures in noisy images. In this paper, we develop a new edge grouping method that exhibits several useful properties. First, it combines both boundary and region information by defining a unified grouping cost. The region information of the desirable structures is included as a binary feature map that is of the same size...
This paper describes the flight control and navigation system of a fixed-wing unmanned aerial vehicle with low cost sensors. Furthermore, an adaptive Kalman filter algorithm with radial basic function neural network is proposed to improve attitude information performance. Based on the unmanned aerial vehicle situation information and error information, system adjusts the weights of the sensor information...
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