Results 11 to 20 of about 146 (131)

Operator-Based Adaptive Tracking Capacity Control in Complex Manufacturing Processes

open access: yesApplied Sciences, 2022
Nowadays, quickly changing customer demands are a big challenge in the manufacturing industry, especially for job shops, which are typical coupling and nonlinear multi-input–multi-output (MIMO) systems.
Ping Liu   +4 more
doaj   +1 more source

Multivariable Fractional-Order Controller Design for a Nonlinear Dual-Tank Device

open access: yesFractal and Fractional, 2023
Fractional calculus is defined by expanded integer order integration and differentiation. In this paper, multiple mathematical models of a nonlinear dual-tank device are precisely formulated by fractional calculus.
Ryota Kochi, Mingcong Deng
doaj   +1 more source

Modelling and Operator-Based Nonlinear Control for a Miniature Pneumatic Bending Rubber Actuator Considering Bellows

open access: yesActuators, 2018
Recently, many kinds of soft actuators composed of flexible materials, such as silicon rubber, have been studied in the mechatronics field with increasing attention on the artificial muscle in welfare, medical care and biotechnology.
Mizuki Sudani   +2 more
doaj   +1 more source

Tracking of perturbed nonlinear plants using robust right coprime factorization approach [PDF]

open access: yesProceedings of the 2004 American Control Conference, 2004
This paper deals with a plant output tracking design problem of perturbed nonlinear plants by using a robust right coprime factorization approach. An interesting control system design scheme, which was given by G. Chen and Z. Han, uses robustness of the right coprime factorization for robust stability of the closed-loop system with perturbation ...
Deng, Mingcong   +3 more
openaire   +2 more sources

Robust decoupling mixed sensitivity controller design of looper control system for hot strip mill process

open access: yesAdvances in Mechanical Engineering, 2018
This article considers a robust decoupling controller design for a multivariate control system with parameter uncertainties for the hot rolling mill process.
Yufeng Gao, Xu Yang, Yuri AW Shardt
doaj   +1 more source

Development of Operator Theory in the Capacity Adjustment of Job Shop Manufacturing Systems

open access: yesApplied Sciences, 2019
With the development of industrial manufacture in the context of Industry 4.0, various advanced technologies have been designed, such as reconfigurable machine tools (RMT). However, the potential of the latter still needs to be developed.
Ping Liu, Qiang Zhang, Jürgen Pannek
doaj   +1 more source

Feedback stabilization over commutative rings with no right-/left-coprime factorizations [PDF]

open access: yesProceedings of the 38th IEEE Conference on Decision and Control (Cat. No.99CH36304), 2003
7 pages ...
openaire   +2 more sources

Duality and singular value functions of the nonlinear normalized right and left coprime factorizations. [PDF]

open access: yesProceedings of the 44th IEEE Conference on Decision and Control, 2006
This paper considers the nonlinear left coprime factorization (NLCF) of a nonlinear system. In order to study the balanced realization of such NLCF first a dual system notion is introduced. The important energy functions for the original NLCF and their relation with the dual NLCF are studied and relations between these functions are established.
openaire   +2 more sources

Suppression of Oscillation and Ghosting in RF‐Spoiled Gradient‐Echo‐Based Dynamic Imaging

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose This study aims to address the suppression of oscillation and ghosting appearing in RF‐spoiled gradient‐echo‐based dynamic imaging, which is caused by the pseudo‐steady state (PSS) of magnetization. Theory and Methods We extended the concept of the previous RF phase‐cycle‐adapted averaging method to RF‐spoiled gradient‐echo‐based cine (
Jae‐Youn Keum, Jang‐Yeon Park
wiley   +1 more source

Frequency Shaping for Improving a Trade‐Off Between Control and Privacy Performance: Beyond Differential Privacy

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT In privacy protection of control systems, a trade‐off between control performance and privacy level is often pointed out. Our goal in this paper is to improve this trade‐off by shaping the frequency of noise added for privacy protection when the control objective is to track a reference signal, which is taken as a piece of information whose ...
Rintaro Watanabe   +3 more
wiley   +1 more source

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