Tension Regulation of Roll-to-roll Systems with Flexible Couplings

Thi, Ly Tong; Tung, Lam Nguyen; Thanh, Cao Duc; Quang, Dich Nguyen; Quyen, Nguyen Van

doi:10.1109/icsse.2019.8823414

Cited by 12 publications

(12 citation statements)

References 4 publications

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“…The control shows robustness against varying roll radius and inertia. Some effects of the transmission system such as backlash and flexible motor-roll coupling are considered in [15,16].…”

Section: Imentioning

confidence: 99%

Imperfect Roll Arrangement Compensation Control based on Neural Network for Web Handling Systems

Duc

Thi

Nguyễn

2020

Eng. Technol. Appl. Sci. Res.

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The speed and tension control problem of a web handling system is investigated in this paper. From the system equations of motion, we developed a backstepping-sliding mode control for web speed and tension regulation tasks. It is obvious that the designed control depends heavily on roll inertia information. Dissimilar to other researches that were based on the assumptions of rolls with perfect cylindrical form with the rotating shafts of the rolls considered properly aligned, the novelty of this paper is the presentation of a neural network to compensate the effects of imperfect roll arrangement. The neural network design is based on the Radial Basis Function (RBF) network estimating the uncertainty of roll inertia. The information on estimated inertia is fed into a backstepping-sliding mode controller that ensures tension and velocity tracking. The control design is presented in a systematical approach. Closed loop system stability is proven mathematically. The tracking performance is shown through several simulation scenarios.

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“…The control shows robustness against varying roll radius and inertia. Some effects of the transmission system such as backlash and flexible motor-roll coupling are considered in [15,16].…”

Section: Imentioning

confidence: 99%

Imperfect Roll Arrangement Compensation Control based on Neural Network for Web Handling Systems

Duc

Thi

Nguyễn

2020

Eng. Technol. Appl. Sci. Res.

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“…To overcome this limitation, nonlinear control has been applied by many researchers and has obtained certain results. Typically, on the basis of Lyapunov stability theory, the Backstepping technique was constructed 20,21 . The authors merged Backstepping controller with Modified Genetic Algorithm, 22 which identifies the optimal system parameters, allowing a three‐span R2R web control system to accomplish higher precision and response performance requirements.…”

Section: Introductionmentioning

confidence: 99%

“…Typically, on the basis of Lyapunov stability theory, the Backstepping technique was constructed. 20,21 The authors merged Backstepping controller with Modified Genetic Algorithm, 22 which identifies the optimal system parameters, allowing a three-span R2R web control system to accomplish higher precision and response performance requirements. In the works, 23,24 the formulation of an Integrator Backstepping Control algorithm was conducted to tackle the varying characteristics of the R2R system.…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, a Backstepping‐based adaption law was explored, 25 which has the benefit of disturbance removal through estimating unknown parameters so that the controller guarantee outputs track set value. With the tension observer, 26 the Backstepping Control (BSPC) suggested has undoubtedly been extended.In References 20,21, the structure retained the tension and velocity of a web span following the command value while making the system more compact without requiring tension sensors. Despite the undeniable contributions of the Backstepping technique to web winding systems, the explosion of terms effect that is caused by the derivative components is still stated as a major drawback affecting the output tension.…”

Section: Introductionmentioning

confidence: 99%

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Model‐free hierarchical control with fractional‐order sliding surface for multisection web machines

Dang

Nguyen

Tran

et al. 2022

Adaptive Control & Signal

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Due to the nonlinearities and dynamical properties of multisection web machines, it is essential to accomplish an appropriate mathematical model as well as design a compatible control scheme. A generalized fully driven web winding model is constructed taking unpredictable changes of moment of inertia and radius of rolls into consideration. In this article, a fractional‐order sliding surface algorithm‐based hierarchical control frame is applied to multisection web machines to deal with matched and mismatched uncertainties and disturbances. In addition, the Radius Basis Function neural network is deployed to estimate necessary system dynamics and the proposed control scheme taking advantage of first‐order low‐pass filters to produce virtual control signals without complicated calculation and attenuate the explosion of terms phenomenon. Finally, the semi‐global stability of the entire system is determined using Lyapunov's stability theory. The simulation results are presented to clarify the superior performance of robust control algorithm and approximation law in the presence of nonideal elements.

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“…Due to flat property of the system, Thomsen et al [10] formulate a flatness based control for a finite stiffness coupling drive system fed by an inverter with speed feedback signal. Backstepping control is developed for a multi-motor system which is vastly found in [11] suppressing flexible coupling phenomenon in linear speed and tension control system. In order to deal with nonlinear stiffness, the authors in [12] implement adaptive backstepping to reduce connecting shaft oscillations.…”

Section: Introductionmentioning

confidence: 99%

Hardware-in-the-loop based comparative analysis of speed controllers for a two-mass system using an induction motor drive with ideal stator current performance

Nguyễn

Ha³

2021

Bulletin EEI

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A comparative study of speed control performance of an induction motor drive system connecting to a load via a non-rigid shaft. The nonrigidity of the coupling is represented by stiffness and damping coefficients deteriorating speed regulating operations of the system and can be regarded as a two-mass system. In the paper, the ability of flatness based and backstepping controls in control the two-mass system is verified through comprehensive hardware-in-the-loop experiments and with the assumption of ideal stator current loop performance. Step-by-step control design procedures are given, in addition, system responses with classical PID control are also provided for parallel comparisons.

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Tension Regulation of Roll-to-roll Systems with Flexible Couplings

Cited by 12 publications

References 4 publications

Imperfect Roll Arrangement Compensation Control based on Neural Network for Web Handling Systems

Imperfect Roll Arrangement Compensation Control based on Neural Network for Web Handling Systems

Model‐free hierarchical control with fractional‐order sliding surface for multisection web machines

Hardware-in-the-loop based comparative analysis of speed controllers for a two-mass system using an induction motor drive with ideal stator current performance

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