NDLI: Research of a Self-organizing Fuzzy PID Controller in LED die Source-measure System

Content Provider	IEEE Xplore Digital Library
Author	Wei Huang Yinghe Zhu Lingyun Xue
Copyright Year	2010
Description	Author affiliation: Department of Automatic, Hangzhou Dianzi University, Zhejiang Province, China (Wei Huang; Yinghe Zhu; Lingyun Xue)
Abstract	The Auto LED die Mapping and Sorting System is a key manufacturing Equipment in LED production. This paper chooses the LED test system as experimental platform, based on which a precise and programmable multi-range digital Source-meter System (SMS) has been developed. In the embedded control part, a Self-organizing Fuzzy PID Controller (SFPID) is designed. a normalized acceleration as the indicator of system response speed is used to build up the self-organizing mechanism, in which the integral and derivative coefficients of the fuzzy PID controller (FPID) are adjusted in an online manner according to the system error, and the phases identified with the aid of the normalized acceleration in the control process. With the coefficients tuned, the mapping relation between the fuzzy sets of the input and output variables are changeable. Compared to three-dimensional FPID, by means of the normalized acceleration rv(k), this SFPID can subtract the fuzzy rules obviously and reduce the control design complexity without decreasing the input dimensions. The results of calibration test to a red LED (STP60NF06) with the SMS show that the SMS response time is 2.88mS, and the stable accuracy is 0.1%.
Starting Page	2542
Ending Page	2547
File Size	787869
Page Count	6
File Format	PDF
ISBN	9781424467129
e-ISBN	9781424467129
DOI	10.1109/WCICA.2010.5554576
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Light emitting diodes Voltage measurement Current measurement Voltage control Acceleration Testing Process control Fuzzy PID Control LED Die SMS Self-organizing
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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