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Model-free adaptive (MFA) control
Computing and Control Engineering, 2004Since its introduction in 1997, model-free adaptive control products have been widely deployed in most major process industries and achieved significant economical benefits for the users. It is the only 'no model' advanced controller on the market that can control complex systems without the need to use first-principle mathematical models or ...
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Model-Free Learning Control for processes with constrained incremental control
2006 IEEE Conference on Computer Aided Control System Design, 2006 IEEE International Conference on Control Applications, 2006 IEEE International Symposium on Intelligent Control, 2006This paper proposes a technique to design controllers for systems with constrained incremental control and input-output constraints called Model-Free Learning Control (MFLC). MFLC, which is based on Reinforcement Learning algorithms, is a simple approach without needing precise detailed information of the system.
S. Syafiie, F. Tadeo, E. Martinez
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Model-free adaptive control of evaporators
IEEE Industry Applications on Dynamic Modeling Control Applications for Industry Workshop, 2002This paper describes the application of an evaporator control system using a multivariable model-free adaptive (MFA) controller. The concept of model-free adaptive control is introduced. The system structure and commissioning steps are discussed. The successful application of controlling this severely coupled nonlinear multivariable process shows the ...
G. Cheng +2 more
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Some improvements on model free controller
2008 7th World Congress on Intelligent Control and Automation, 2008Firstly we make a brief introduction of the algorithm and astringency of existing model free controller and then in this paper propose two methods to improve the existing controller. On the one hand, a model free controller with dead zone is presented in order to avoid frequent movement of control action and eliminate the vibration of the system in ...
null Junling Li, null Shugong Zhang
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Model‐free control of a seeded batch crystallizer
The Canadian Journal of Chemical Engineering, 2017AbstractAs the use of a batch crystallization process in several industrial applications is extensive, finding an effective control strategy is important to improve the product quality, which is typically characterized by a unimodal and narrow crystal size distribution (CSD) with a large mean crystal size.
Afsi, Nawel +3 more
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Hybrid Model-Free and Model-Free Adaptive Fuzzy Controllers
2021Radu-Emil Precup +2 more
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Model-free optimal control synthesis
2009Abstract ...
Hamer, den, A.J. +2 more
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Model-Free Controller for Microalgae Biorreactors
Memorias del Congreso Nacional de Control AutomáticoThis work is proposed as a first simulation approach to controllers based on fast extremum seeking to maximize the biomass production of the microalgae Tetradesmus obliquus in various continuous operation scenarios. These controllers achieved an average performance of up to 96.7% (for stable input concentrations) and 105% (for variable concentrations ...
Alejandro Vargas +1 more
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Cervical cancer prevention and control in women living with human immunodeficiency virus
Ca-A Cancer Journal for Clinicians, 2021Philip E Castle, Vikrant V Sahasrabuddhe
exaly