A vision based low-frequency electro-hydraulic fatigue testing machine

Author

Wong, Ray-Hwa ; Li, Min-Siou ; Wang, Ying T.

Author_Institution

Dept. of Mech. Eng., Nat. Taiwan Univ. of Sci. & Technol., Taipei, Taiwan

fYear

2011

fDate

19-21 Oct. 2011

Firstpage

307

Lastpage

310

Abstract

In the vision based control system, the lower frame per second and the delay of image processes are main reasons to degrade the control performance. These factors have no significant influence in the low frequency material testing. In experiments, vision based electro-hydraulic material testing machine is developed by self-organizing sliding mode fuzzy controller and to carry out dynamic tracking control under 1Hz. Square, sinusoidal and triangular waveforms are applied to analyze the control performance of this electro hydraulic testing machine, and then it will discuss the feasibility of non-contacted CCD camera to replace contacted sensors.

Keywords

CCD image sensors; electrohydraulic control equipment; fatigue testing; fuzzy control; image processing equipment; test equipment; variable structure systems; dynamic tracking control; frequency 1 Hz; image processing delay; low frequency material testing; noncontacted CCD camera; self-organizing sliding mode fuzzy controller; sinusoidal waveform; triangular waveform; vision based control system; vision based low-frequency electrohydraulic fatigue testing machine; Cameras; Charge coupled devices; Delay; Frequency control; Measurement uncertainty; Steady-state; Time factors;

fLanguage

English

Publisher

ieee

Conference_Titel

Microsystems, Packaging, Assembly and Circuits Technology Conference (IMPACT), 2011 6th International

Conference_Location

Taipei

ISSN

2150-5934

Print_ISBN

978-1-4577-1387-3

Electronic_ISBN

2150-5934

Type

conf

DOI

10.1109/IMPACT.2011.6117273

Filename

6117273