Delay-Induced Coexistence of Attractors in a Controlled Drill-String

Ibukunolu O. Oladunjoye; James Ing; Sumeet S. Aphale

doi:10.1007/978-981-10-6463-0_43

Delay-Induced Coexistence of Attractors in a Controlled Drill-String

Ibukunolu O. Oladunjoye, James Ing, Sumeet S. Aphale

Research output: Chapter in Book/Report/Conference proceeding › Published conference contribution

Abstract

The realistic modeling and effective control of drill-strings has been an ongoing research challenge. This has recently come to focus due to the volatility in the oil industry. Owing to the severely nonlinear nature of the drill-string, evolved nonlinear control techniques have recently been proposed to overcome the inherent stick-slip dynamics which are severely detrimental to the drilling performance as well as structural health of any given drill-string. Yet, most of the controller performance is analysed without including the significant delay intrinsic to the overall system. In this paper, the impact of system delay on
the overall performance of a controlled drill-string is studied via extensive
simulations. The analysis presents the impact of delay on three recently proposed sliding-mode control schemes. A surprising coexistence of attractors is observed from the delayed system on the third controller. This result will potentially impact the design of implementable control schemes proposed in future.

Original language	English
Title of host publication	Modeling, Design and Simulation of Systems
Subtitle of host publication	AsiaSim 2017, Part 1
Editors	Mohamed Sultan Mohamed Ali, Herman Wahid, Nurul Adilla Mohd Subha, Shafishuhaza Sahlan, Mohd Amri Md. Yunus, Ahmad Ridhwan Wahap
Place of Publication	Singapore
Publisher	Springer
Pages	505-517
Number of pages	13
ISBN (Electronic)	9789811064630
ISBN (Print)	9789811064623
DOIs	https://doi.org/10.1007/978-981-10-6463-0_43
Publication status	Published - 26 Aug 2017
Event	17th Asia Simulation Conference - Meleka, Malaysia Duration: 27 Aug 2017 → 29 Aug 2017

Publication series

Name	Communications in Computer and Information Science (CCIS)
Publisher	Springer
Volume	751
ISSN (Print)	1865-0929
ISSN (Electronic)	1865-0937

Conference

Conference	17th Asia Simulation Conference
Abbreviated title	AsiaSim 2017
Country/Territory	Malaysia
City	Meleka
Period	27/08/17 → 29/08/17

Keywords

Drill-string dynamics
Stick-slip oscillation
Coexistence
Attractors
Sliding-mode controller
Delay

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10.1007/978-981-10-6463-0_43Licence: Unspecified

Cite this

Oladunjoye, I. O., Ing, J., & Aphale, S. S. (2017). Delay-Induced Coexistence of Attractors in a Controlled Drill-String. In M. S. Mohamed Ali, H. Wahid, N. A. Mohd Subha, S. Sahlan, M. A. Md. Yunus, & A. R. Wahap (Eds.), Modeling, Design and Simulation of Systems: AsiaSim 2017, Part 1 (pp. 505-517). (Communications in Computer and Information Science (CCIS); Vol. 751). Springer . https://doi.org/10.1007/978-981-10-6463-0_43

Delay-Induced Coexistence of Attractors in a Controlled Drill-String. / Oladunjoye, Ibukunolu O.; Ing, James; Aphale, Sumeet S.

Modeling, Design and Simulation of Systems: AsiaSim 2017, Part 1. ed. / Mohamed Sultan Mohamed Ali; Herman Wahid; Nurul Adilla Mohd Subha; Shafishuhaza Sahlan; Mohd Amri Md. Yunus; Ahmad Ridhwan Wahap. Singapore : Springer , 2017. p. 505-517 (Communications in Computer and Information Science (CCIS); Vol. 751).

Research output: Chapter in Book/Report/Conference proceeding › Published conference contribution

Oladunjoye, IO, Ing, J & Aphale, SS 2017, Delay-Induced Coexistence of Attractors in a Controlled Drill-String. in MS Mohamed Ali, H Wahid, NA Mohd Subha, S Sahlan, MA Md. Yunus & AR Wahap (eds), Modeling, Design and Simulation of Systems: AsiaSim 2017, Part 1. Communications in Computer and Information Science (CCIS), vol. 751, Springer , Singapore, pp. 505-517, 17th Asia Simulation Conference, Meleka, Malaysia, 27/08/17. https://doi.org/10.1007/978-981-10-6463-0_43

Oladunjoye IO, Ing J, Aphale SS. Delay-Induced Coexistence of Attractors in a Controlled Drill-String. In Mohamed Ali MS, Wahid H, Mohd Subha NA, Sahlan S, Md. Yunus MA, Wahap AR, editors, Modeling, Design and Simulation of Systems: AsiaSim 2017, Part 1. Singapore: Springer . 2017. p. 505-517. (Communications in Computer and Information Science (CCIS)). doi: 10.1007/978-981-10-6463-0_43

Oladunjoye, Ibukunolu O. ; Ing, James ; Aphale, Sumeet S. / Delay-Induced Coexistence of Attractors in a Controlled Drill-String. Modeling, Design and Simulation of Systems: AsiaSim 2017, Part 1. editor / Mohamed Sultan Mohamed Ali ; Herman Wahid ; Nurul Adilla Mohd Subha ; Shafishuhaza Sahlan ; Mohd Amri Md. Yunus ; Ahmad Ridhwan Wahap. Singapore : Springer , 2017. pp. 505-517 (Communications in Computer and Information Science (CCIS)).

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AU - Oladunjoye, Ibukunolu O.

AU - Ing, James

AU - Aphale, Sumeet S.

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Y1 - 2017/8/26

N2 - The realistic modeling and effective control of drill-strings has been an ongoing research challenge. This has recently come to focus due to the volatility in the oil industry. Owing to the severely nonlinear nature of the drill-string, evolved nonlinear control techniques have recently been proposed to overcome the inherent stick-slip dynamics which are severely detrimental to the drilling performance as well as structural health of any given drill-string. Yet, most of the controller performance is analysed without including the significant delay intrinsic to the overall system. In this paper, the impact of system delay onthe overall performance of a controlled drill-string is studied via extensivesimulations. The analysis presents the impact of delay on three recently proposed sliding-mode control schemes. A surprising coexistence of attractors is observed from the delayed system on the third controller. This result will potentially impact the design of implementable control schemes proposed in future.

AB - The realistic modeling and effective control of drill-strings has been an ongoing research challenge. This has recently come to focus due to the volatility in the oil industry. Owing to the severely nonlinear nature of the drill-string, evolved nonlinear control techniques have recently been proposed to overcome the inherent stick-slip dynamics which are severely detrimental to the drilling performance as well as structural health of any given drill-string. Yet, most of the controller performance is analysed without including the significant delay intrinsic to the overall system. In this paper, the impact of system delay onthe overall performance of a controlled drill-string is studied via extensivesimulations. The analysis presents the impact of delay on three recently proposed sliding-mode control schemes. A surprising coexistence of attractors is observed from the delayed system on the third controller. This result will potentially impact the design of implementable control schemes proposed in future.

KW - Drill-string dynamics

KW - Stick-slip oscillation

KW - Coexistence

KW - Attractors

KW - Sliding-mode controller

KW - Delay

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T3 - Communications in Computer and Information Science (CCIS)

SP - 505

EP - 517

BT - Modeling, Design and Simulation of Systems

A2 - Mohamed Ali, Mohamed Sultan

A2 - Wahid, Herman

A2 - Mohd Subha, Nurul Adilla

A2 - Sahlan, Shafishuhaza

A2 - Md. Yunus, Mohd Amri

A2 - Wahap, Ahmad Ridhwan

PB - Springer

CY - Singapore

T2 - 17th Asia Simulation Conference

Y2 - 27 August 2017 through 29 August 2017

ER -

Delay-Induced Coexistence of Attractors in a Controlled Drill-String

Abstract

Publication series

Conference

Keywords

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