Search Results - "Tavazoei, Mohammad Saleh"
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Fractional order chaotic systems: history, achievements, applications, and future challenges
Published in The European physical journal. ST, Special topics (01-03-2020)“…Motivated by the importance of study on the complex behaviors, which may be exhibited by fractional order differential equations, this review paper focuses on…”
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Pisot Number-Based Discrete-Time Controllers With Integer State Matrices to Ensure Monotonic Closed-Loop Step Responses
Published in IEEE transactions on automatic control (01-12-2023)“…Motivated by the applicability of homomorphically encrypted discrete-time controllers possessing integer state matrices to work in an infinite time horizon,…”
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Nonminimality of the Realizations and Possessing State Matrices With Integer Elements in Linear Discrete-Time Controllers
Published in IEEE transactions on automatic control (01-06-2023)“…It is known that discrete-time controllers, whose state matrices have no noninteger element, are beneficial in homomorphic-based encrypted control systems…”
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Simple Fractional Order Model Structures and their Applications in Control System Design
Published in European journal of control (2010)“…In this paper, firstly a four-parameter fractional order model structure is introduced to approximate processes having S-shaped step responses. Three different…”
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Comments on "Fixed-Time Backstepping Fractional-Order Sliding Mode Excitation Control for Performance Improvement of Power System"
Published in IEEE transactions on circuits and systems. I, Regular papers (01-08-2022)“…In this note, it is shown that the Lyapunov function-based analyses done in the above-titled article to design a backstepping sliding mode controller contain…”
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Comments on "Fractional-Order Sliding Mode Approach of Buck Converters With Mismatched Disturbances"
Published in IEEE transactions on circuits and systems. I, Regular papers (01-03-2022)“…In this letter, it is verified that the main result of the above article <xref ref-type="bibr" rid="ref1">[1] on converging the voltage tracking error of a…”
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A note on fractional-order derivatives of periodic functions
Published in Automatica (Oxford) (01-05-2010)“…In this paper, it is shown that the fractional-order derivatives of a periodic function with a specific period cannot be a periodic function with the same…”
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Constrained Swarm Stabilization of Fractional Order Linear Time Invariant Swarm Systems
Published in IEEE/CAA journal of automatica sinica (10-07-2016)“…This paper deals with asymptotic swarm stabilization of fractional order linear time invariant swarm systems in the presence of two constraints: the input…”
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Closed-Form Oscillatory Condition in Electrical Circuits Containing Two Fractional Order Elements
Published in IEEE transactions on circuits and systems. II, Express briefs (01-06-2022)“…Oscillatory condition in LTI dynamic systems is generally expressed as possessing purely imaginary solutions by their characteristic equations. Dealing with…”
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10
Frequency Data-Based Procedure to Adjust Gain and Phase Margins and Guarantee the Uniqueness of Crossover Frequencies
Published in IEEE transactions on industrial electronics (1982) (01-03-2020)“…Analytical data-driven tuning procedures with the aim of adjusting the values of frequency-domain specifications, e.g., gain margin, phase margin, and…”
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Chaotic attractors in incommensurate fractional order systems
Published in Physica. D (15-10-2008)“…In this paper, based on the stability theorems in fractional differential equations, a necessary condition is given to check the existence of 1-scroll,…”
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Coefficient-Based Classes of Algebraic Conditions to Construct Positive Real Rational Functions
Published in IEEE transactions on circuits and systems. II, Express briefs (01-07-2021)“…This brief deals with introducing some simple algebraic conditions ensuring the positive realness of a biproper rational function. By meeting these conditions,…”
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A proof for non existence of periodic solutions in time invariant fractional order systems
Published in Automatica (Oxford) (01-08-2009)“…The aim of this note is to highlight one of the basic differences between fractional order and integer order systems. It is analytically shown that a time…”
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Conditions on Polynomials Involved in Admittance Functions Passively Realizable by Using RLC and Two Fractional Elements
Published in IEEE transactions on circuits and systems. II, Express briefs (01-06-2020)“…This brief deals with finding the necessary conditions which should be met by the polynomials appeared in the admittance functions passively realizable by…”
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15
Upper and Lower Bounds for the Maximum Number of Frequencies That Can Be Generated by a Class of Fractional Oscillators
Published in IEEE transactions on circuits and systems. I, Regular papers (01-04-2019)“…This paper deals with investigating the maximum number of frequencies generated by an oscillator in the case that a half number of integrators in the…”
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Some Analytical Results on Tuning Fractional-Order [Proportional-Integral] Controllers for Fractional-Order Systems
Published in IEEE transactions on control systems technology (01-05-2016)“…The first objective of this brief is to discover the solution existence conditions in the methods recently proposed for tuning fractional-order…”
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Frequency Content Preservation in Fractional Multi-Frequency Oscillators Despite Reducing the Number of Energy Storage Elements
Published in Circuits, systems, and signal processing (01-06-2022)“…Recently, a class of fractional multi-frequency oscillators, constructed based on using n integrators and n half-order ones, has been introduced, whose…”
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Non-Uniform Reducing the Involved Differentiators' Orders and Lyapunov Stability Preservation Problem in Dynamic Systems
Published in IEEE transactions on circuits and systems. II, Express briefs (01-04-2020)“…Although uniform reduction of the differentiators' orders in the stable state-space integer order models yields in stable fractional order dynamics, stability…”
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On tuning fractional order [proportional–derivative] controllers for a class of fractional order systems
Published in Automatica (Oxford) (01-07-2013)“…This paper deals with a method recently proposed for tuning fractional order [proportional–derivative] (FO-[PD]) controllers. Using this tuning method, the…”
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Delay-Independent regulation of blood glucose for type-1 diabetes mellitus patients via an observer-based predictor feedback approach by considering quantization constraints
Published in European journal of control (01-01-2022)“…Diabetes, as a widespread chronic disease, is caused by the increase of blood glucose concentration (BGC) due to pancreatic insulin production failure and/or…”
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