Optimal fuzzy sliding-mode control for bio-microfluidic manipulation

Yung Chiang Chung, Bor Jiunn Wen, Yu-Cheng Lin

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

In biometric and biomedical applications, a special transporting mechanism must be designed for the micro total analysis system (μTAS) to move samples and reagents through the microchannels that connect the unit procedure components in the system. An important issue for this miniaturization and integration is the microfluid management technique, i.e., microfluid transportation, metering, and mixing. In view of this, an optimal fuzzy sliding-mode control (OFSMC) based on the 8051 microprocessor is designed and a complete microfluidic manipulated biochip system is implemented in this study, with a pneumatic pumping actuator, two feedback-signal photodiodes and flowmeters for better microfluidic management. This new technique successfully improved the efficiency of biochemical reaction by increasing the effective collision into the probe molecules as the target molecules flow back and forth. The new technique was used in DNA extraction. When the number of Escherichia coli cells was 2×102-104 in 25 μl of whole blood, the extraction efficiency of immobilized beads with solution flowing back and forth was 600-fold larger than that of free beads.

Original languageEnglish
Pages (from-to)1093-1105
Number of pages13
JournalControl Engineering Practice
Volume15
Issue number9
DOIs
Publication statusPublished - 2007 Sep 1

Fingerprint

Fuzzy Sliding Mode Control
Microfluidics
Sliding mode control
Fuzzy control
Manipulation
Biochips
Molecules
Flowmeters
Biometrics
Microchannels
Photodiodes
Pneumatics
Escherichia coli
Microprocessor chips
Biomedical Applications
DNA
Blood
Actuators
Microchannel
Photodiode

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Chung, Yung Chiang ; Wen, Bor Jiunn ; Lin, Yu-Cheng. / Optimal fuzzy sliding-mode control for bio-microfluidic manipulation. In: Control Engineering Practice. 2007 ; Vol. 15, No. 9. pp. 1093-1105.
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Optimal fuzzy sliding-mode control for bio-microfluidic manipulation. / Chung, Yung Chiang; Wen, Bor Jiunn; Lin, Yu-Cheng.

In: Control Engineering Practice, Vol. 15, No. 9, 01.09.2007, p. 1093-1105.

Research output: Contribution to journalArticle

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