Application of Adaptive Fuzzy-PID Control in Servo Spindle Rigid Tapping

Jun Lu; Hai Xin Zou; Lie Shen; Xiang Jun Zou

doi:10.4028/www.scientific.net/AMR.301-303.1477

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 301-303Application of Adaptive Fuzzy-PID Control in Servo...

Application of Adaptive Fuzzy-PID Control in Servo Spindle Rigid Tapping

Abstract:

Rigid tapping of NC Tapping center is an electromechanical control system which is strongly nonlinear, uncertain and difficult to precise modeling. It is unavoidable to be affected by some nonlinear and uncertain factors such as friction and mechanical resonance. The traditional control method could not fundamentally solve the contradiction between rapid stability and high stable precision of the system response. As an intelligent control method, fuzzy control is actually a kind of PID regulator, and it exists a strong complementary to PID control in the system dynamic and static characteristics. This paper introduced fuzzy adaptive PID control applied to NC rigid tapping in engineering practice, the control method need not to build the controlled object, using mathematical model of fuzzy reasoning method for the online PID parameters auto-tuning, it met the system well for the rapidity and smoothness of comprehensive index requirement and technical realizability, finally through test platform test, numerical control machine tool actual tapping was validated.

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Periodical:

Advanced Materials Research (Volumes 301-303)

Pages:

1477-1481

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.301-303.1477

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Online since:

July 2011

Authors:

Jun Lu, Hai Xin Zou, Lie Shen, Xiang Jun Zou

Keywords:

Adaptive Fuzzy, PID Control, Rigid Tapping, Servopack

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