Development of Stiffness Measurement Instrument for Precise Elastic Elements in Electro-Hydraulic Servo Valve Based on Charge-Coupled Device

Jian Xin Yang; Dong Xiang Shao; Ru Lin; Guang Lin Wang

doi:10.4028/www.scientific.net/KEM.579-580.488

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 579-580Development of Stiffness Measurement Instrument...

Development of Stiffness Measurement Instrument for Precise Elastic Elements in Electro-Hydraulic Servo Valve Based on Charge-Coupled Device

Abstract:

According to stiffness measurement of feedback rod and spring tube in electro-hydraulic servo valve, this paper proposed the measured piece displacement method based on CCD image sensors. On this basis, developing a stiffness measurement instrument based on CCD and giving the overall program design. Because ambient noise affect the image quality seriously, reduce measurement accuracy, image pre-processing is the core of software systems. The system can achieve automatic loading, measure, evaluate and output the result. This article select three types measured piece to experiment and calculation, then, calculate and analysis of experimental data.

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Periodical:

Key Engineering Materials (Volumes 579-580)

Pages:

488-492

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.579-580.488

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Online since:

September 2013

Authors:

Jian Xin Yang, Dong Xiang Shao, Ru Lin, Guang Lin Wang

Keywords:

Elastic Element, Feedback Rod, Spring Tube, Stiffness Measurement CCD

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References

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