نتایج جستجو برای: mrac

تعداد نتایج: 296  

Journal: :Intelligent Automation and Soft Computing 2023

This paper presents the design and performance analysis of Differential Evolution (DE) algorithm based Proportional-Integral-Derivative (PID) controller for temperature control Continuous Stirred Tank Reactor (CSTR) plant in chemical industries. The proposed work deals about order to improve CSTR. In this, process is controlled by controlling liquid through manipulation coolant flow rate with h...

2004
Feng-Yih Hsu

This paper presents a new design of adaptive fuzzy variable structure control to solve the traditional problem of model reference adaptive control (MRAC) for a class of single-input, single-output minimum-phase uncertain nonlinear systems via backstepping. Instead of taking the tedious coordinate transformation and yielding a "hard" high-gain controller, we introduce smooth B-spline-type member...

Journal: :Journal of integrative bioinformatics 2011
Saleh Enbiya Fatima Mahieddine M. Alamgir Hossain

Using multiple interacting drugs to control both the mean arterial pressure (MAP) and cardiac output (CO) of patients with different sensitivity to drugs is a challenging task which this paper attempts to address. A multivariable model reference adaptive control (MRAC) algorithm is developed using a two-input, two-output patient model. The control objective is to maintain the homodynamic variab...

1999
Liu Hsu Ramon R. Costa Fernando C. Lizarralde José Paulo Vilela Soares da Cunha

This paper describes the development and implementation of a dynamic positioning system for Remotely Operated underwater Vehicles (ROVs) which is based on a mechanical Passive Arm (PA) for position measurement. The system, named DPSROV, is suited for tasks which require precise positioning within a limited range around a working site. The DPSROV was conng-ured aiming at easy installation in mos...

2014
Mehdi Shirin Shandiz Mohammad Hadi Arabi Pardis Ghafarian Mehrdad Bakhshayesh Karam Hamidreza Saligheh Rad Mohammad Reza Ay

Department of Medical Physics and Biomedical Engineering and Research Center for Molecular and Cellular Imaging, Tehran University of Medical Sciences, Tehran, Iran Recently introduced PET/MRI scanners present significant advantages in comparison with PET/CT. However, the lack of accurate method for generation of μmap from MR images for implementation of MRAC is hampering further development. I...

2015
Thorsten Heußer Christopher M Rank Thomas Beyer Marc Kachelrieß

German Cancer Research Center (DKFZ), Heidelberg, Germany Accurate quantification of the activity distribution in positron emission tomography (PET) mandates attenuation correction (AC). Unlike in PET/CT, AC in PET/MR is, however, challenging, since information about the attenuation properties of the patient tissue distribution is not available directly. Standard MR-based AC (MRAC) does not acc...

Journal: :Complex & Intelligent Systems 2021

Abstract In this paper, a multi-propeller aerial robot with passive manipulator for manipulation is presented. order to deal the collision, external disturbance, changing inertia, and underactuated characteristic during manipulation, an adaptive trajectory linearization control (ATLC) scheme presented stabilize whole process. The ATLC controller developed based on (TLC) method model reference (...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 1997

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