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emadzadeh--narjes
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Synchronization of two different uncertain chaotic systems via adaptive control
, Article EUROCON 2005 - The International Conference on Computer as a Tool, Belgrade, 21 November 2005 through 24 November 2005 ; Volume I , 2005 , Pages 270-273 ; 142440049X (ISBN); 9781424400492 (ISBN) ; Haeri, M ; Sharif University of Technology
IEEE Computer Society
2005
Abstract
This paper presents chaos synchronization between two different chaotic systems when the parameters of the drive and response systems are fully unknown and uncertain. Based on Lyapunov stability theory, an adaptive control law is designed such that the two different chaotic systems are to be synchronized. The proposed technique is applied to achieve chaos synchronization for the Chen and Lorenz dynamical systems. Numerical simulations are implemented to verify the results. © 2005 IEEE
Anti-synchronization of two different chaotic systems via active control
, Article Wec 05: Fourth World Enformatika Conference, Istanbul, 24 June 2005 through 26 June 2005 ; Volume 6 , 2005 , Pages 62-65 ; 9759845857 (ISBN); 9789759845858 (ISBN) ; Haeri, M ; Sharif University of Technology
2005
Abstract
This paper presents anti-synchronization of chaos between two different chaotic systems using active control method. The proposed technique is applied to achieve chaos antisynchronization for the Lu and Rössler dynamical systems. Numerical simulations are implemented to verify the results. COPYRIGHT © ENFORMATIKA
Extraction of Optimal Combination of Smart Heating Garment for Office Environment
, M.Sc. Thesis Sharif University of Technology ; Rajabi Qhahnuyeh, Abbas (Supervisor)
Abstract
This study focuses on the analysis and optimization of smart heating garments in office environments with the aim of improving individual thermal comfort. The primary objective of this research is to answer the question of how integrating a human body thermal model with heating garment systems can contribute to optimizing the garment and, consequently, enhancing individual thermal comfort. The thermal model used in this research is JOS-3, which simulates the thermal behavior of the human body under various environmental conditions. This model, combined with heating garment technology, allows for more precise control of body temperature. In this study, two types of smart heating garments are...
Blood Pressure Estimation from PPG Signal Using Dynamic Time Warping Based Methods
, M.Sc. Thesis Sharif University of Technology ; Mohammadzade, Narjes alhoda (Supervisor) ; Behrozi, Hamid (Co-Supervisor)
Abstract
By continuously measuring blood pressure, we can prevent the irreversible effects of high blood pressure. With the traditional method of using a cuff, it is not possible to measure blood pressure continuously during the day, so for continuous monitoring of blood pressure, it is necessary to use a method without the need for a cuff. Based on previous studies, to estimate blood pressure, Photoplethysmogram and ECG signal features, or temporal and morphological features of Photoplethysmogram signal have been used. In methods that use ECG signals, signal recording is difficult, and methods that use both PPG and ECG signals are even more complex. Using only PPG signals also has its problems....
Ranking Farsi Web Pages using Deep Neural Networks
, M.Sc. Thesis Sharif University of Technology ; Behrouzi, Hamid (Supervisor) ; Mohammadzadeh, Narjes Alhoda (Co-Supervisor) ; Kazemi, Reza (Co-Supervisor)
Abstract
The purpose of ranking Persian web pages is to retrieve the highest number of relevant documents related to the search query of Persian language users, with the minimum number of documents returned from the web. Information retrieval is one of the key issues in search engines. In this study, billions of documents were collected from Persian web pages, and due to infrastructure limitations, a few hundred million documents were indexed in a database like Elastic. Now, considering the user’s actual query, relevant documents should be retrieved from the indexed documents. To achieve this goal, a large Persian language model was needed. Existing large language models for Persian were not usable...
, M.Sc. Thesis Sharif University of Technology ; Samadfam, Mohammad (Supervisor) ; Mallah, Mohammad Hassan (Supervisor) ; Safdari, Jaber (Supervisor)
Abstract
In many uranium mines such as gachin-bandarabbas, use sulfuric acid for leaching operation on ore. This leach liquor, containing uranium, is extracted by organic solvent, such as D2EHPA (dapex process ).althogh this process have being used for many years, there is a vacancy for detailed thermodynamical studying on uranium extraction of uranium from leach liquor. To have a thermodynamical model, we need information on equilibrium concentration of all component that may have effect on uranium extraction in addition we need concentration of solvent , pH, phase ratio and activity coefficient.such a model must have the ability to predict the equilibrium concentration in alloperation condition....