Control of non-minimum phase system using inverse response compensator with different approximations
by Manish Yadav; Hirenkumar G. Patel
International Journal of Modelling, Identification and Control (IJMIC), Vol. 40, No. 1, 2022

Abstract: This paper aims to control non-minimum phase systems with dead time in the presence of uncertainty and disturbances. The series cascade control scheme is utilised to motivate such problems, specifically for slow process dynamics and actuator nonlinearities. The internal model control (IMC) is utilised for the inner loop controller, while the outer loop controller is designed via fractional-filter-based IMC strategy with an inverse response and dead time compensator. The work's uniqueness lies in designing the outer loop controller via Taylor series, Pade and all pole approximation after embedding the fractional filter, dead time and inverse response compensator. The robustness test is carried out via sensitivity analysis. Two non-minimum phase dead time systems are utilised to demonstrate the usefulness of the proposed control strategy.

Online publication date: Tue, 12-Jul-2022

The full text of this article is only available to individual subscribers or to users at subscribing institutions.

 
Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.

Pay per view:
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.

Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Modelling, Identification and Control (IJMIC):
Login with your Inderscience username and password:

Username:        Password:          Forgotten your password?

Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.

If you still need assistance, please email subs@inderscience.com