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2013 (Vol. 6, Issue: 01)
Article Information:

Study on a Method to Improve the Stability of the Sensor Signal Based on PD Controller

Wei Chen, Hanqi Yu, Hu Feng, Gui Tong and Houliang Qian
Corresponding Author:  Wei Chen 

Key words:  AGC circuit, high-frequency oscillation, PD controller, phase margin, video signal, ,
Vol. 6 , (01): 20-25
Submitted Accepted Published
November 08, 2012 January 11, 2013 June 05, 2013
Abstract:

In order to solve the high frequency oscillation generated from the video signal of the camera, the study proposes a method to improve the stability of high frequency oscillation of common sensor signal, which means the high frequency oscillation signal generated from the sensor module can increase the phase margin of the unstable signal through PD controller, thus produces a stable video signal and then through the circuit of AGC (Automatic Gain Control), the automatic compensation of the frequency can be achieved and finally the fourth-order low-pass circuit is used to meet the requirement of cutoff frequency of the sensor signal processing and the stability of the signal and the high frequency performance can be ultimately improved.
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  Cite this Reference:
Wei Chen, Hanqi Yu, Hu Feng, Gui Tong and Houliang Qian, 2013. Study on a Method to Improve the Stability of the Sensor Signal Based on PD Controller.  Research Journal of Applied Sciences, Engineering and Technology, 6(01): 20-25.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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