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Publisher: Oxford University Press   (Total: 370 journals)

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Showing 1 - 200 of 370 Journals sorted alphabetically
Acta Biochimica et Biophysica Sinica     Hybrid Journal   (Followers: 6, SJR: 0.881, h-index: 38)
Adaptation     Hybrid Journal   (Followers: 9, SJR: 0.111, h-index: 4)
Aesthetic Surgery J.     Hybrid Journal   (Followers: 6, SJR: 1.538, h-index: 35)
African Affairs     Hybrid Journal   (Followers: 60, SJR: 1.512, h-index: 46)
Age and Ageing     Hybrid Journal   (Followers: 86, SJR: 1.611, h-index: 107)
Alcohol and Alcoholism     Hybrid Journal   (Followers: 18, SJR: 0.935, h-index: 80)
American Entomologist     Full-text available via subscription   (Followers: 6)
American Historical Review     Hybrid Journal   (Followers: 151, SJR: 0.652, h-index: 43)
American J. of Agricultural Economics     Hybrid Journal   (Followers: 38, SJR: 1.441, h-index: 77)
American J. of Epidemiology     Hybrid Journal   (Followers: 173, SJR: 3.047, h-index: 201)
American J. of Hypertension     Hybrid Journal   (Followers: 25, SJR: 1.397, h-index: 111)
American J. of Jurisprudence     Hybrid Journal   (Followers: 20)
American J. of Legal History     Full-text available via subscription   (Followers: 9, SJR: 0.151, h-index: 7)
American Law and Economics Review     Hybrid Journal   (Followers: 28, SJR: 0.824, h-index: 23)
American Literary History     Hybrid Journal   (Followers: 13, SJR: 0.185, h-index: 22)
Analysis     Hybrid Journal   (Followers: 23)
Annals of Botany     Hybrid Journal   (Followers: 35, SJR: 1.912, h-index: 124)
Annals of Occupational Hygiene     Hybrid Journal   (Followers: 28, SJR: 0.837, h-index: 57)
Annals of Oncology     Hybrid Journal   (Followers: 47, SJR: 4.362, h-index: 173)
Annals of the Entomological Society of America     Full-text available via subscription   (Followers: 8, SJR: 0.642, h-index: 53)
Annals of Work Exposures and Health     Hybrid Journal  
AoB Plants     Open Access   (Followers: 4, SJR: 0.78, h-index: 10)
Applied Economic Perspectives and Policy     Hybrid Journal   (Followers: 18, SJR: 0.884, h-index: 31)
Applied Linguistics     Hybrid Journal   (Followers: 53, SJR: 1.749, h-index: 63)
Applied Mathematics Research eXpress     Hybrid Journal   (Followers: 1, SJR: 0.779, h-index: 11)
Arbitration Intl.     Full-text available via subscription   (Followers: 21)
Arbitration Law Reports and Review     Hybrid Journal   (Followers: 14)
Archives of Clinical Neuropsychology     Hybrid Journal   (Followers: 31, SJR: 0.96, h-index: 71)
Aristotelian Society Supplementary Volume     Hybrid Journal   (Followers: 2, SJR: 0.102, h-index: 20)
Arthropod Management Tests     Hybrid Journal   (Followers: 2)
Astronomy & Geophysics     Hybrid Journal   (Followers: 46, SJR: 0.144, h-index: 15)
Behavioral Ecology     Hybrid Journal   (Followers: 51, SJR: 1.698, h-index: 92)
Bioinformatics     Hybrid Journal   (Followers: 285, SJR: 4.643, h-index: 271)
Biology Methods and Protocols     Hybrid Journal  
Biology of Reproduction     Full-text available via subscription   (Followers: 9, SJR: 1.646, h-index: 149)
Biometrika     Hybrid Journal   (Followers: 20, SJR: 2.801, h-index: 90)
BioScience     Hybrid Journal   (Followers: 30, SJR: 2.374, h-index: 154)
Bioscience Horizons : The National Undergraduate Research J.     Open Access   (Followers: 1, SJR: 0.213, h-index: 9)
Biostatistics     Hybrid Journal   (Followers: 16, SJR: 1.955, h-index: 55)
BJA : British J. of Anaesthesia     Hybrid Journal   (Followers: 165, SJR: 2.314, h-index: 133)
BJA Education     Hybrid Journal   (Followers: 65, SJR: 0.272, h-index: 20)
Brain     Hybrid Journal   (Followers: 66, SJR: 6.097, h-index: 264)
Briefings in Bioinformatics     Hybrid Journal   (Followers: 47, SJR: 4.086, h-index: 73)
Briefings in Functional Genomics     Hybrid Journal   (Followers: 4, SJR: 1.771, h-index: 50)
British J. for the Philosophy of Science     Hybrid Journal   (Followers: 35, SJR: 1.267, h-index: 38)
British J. of Aesthetics     Hybrid Journal   (Followers: 27, SJR: 0.217, h-index: 18)
British J. of Criminology     Hybrid Journal   (Followers: 576, SJR: 1.373, h-index: 62)
British J. of Social Work     Hybrid Journal   (Followers: 87, SJR: 0.771, h-index: 53)
British Medical Bulletin     Hybrid Journal   (Followers: 7, SJR: 1.391, h-index: 84)
British Yearbook of Intl. Law     Hybrid Journal   (Followers: 30)
Bulletin of the London Mathematical Society     Hybrid Journal   (Followers: 4, SJR: 1.474, h-index: 31)
Cambridge J. of Economics     Hybrid Journal   (Followers: 59, SJR: 0.957, h-index: 59)
Cambridge J. of Regions, Economy and Society     Hybrid Journal   (Followers: 10, SJR: 1.067, h-index: 22)
Cambridge Quarterly     Hybrid Journal   (Followers: 11, SJR: 0.1, h-index: 7)
Capital Markets Law J.     Hybrid Journal   (Followers: 2)
Carcinogenesis     Hybrid Journal   (Followers: 2, SJR: 2.439, h-index: 167)
Cardiovascular Research     Hybrid Journal   (Followers: 12, SJR: 2.897, h-index: 175)
Cerebral Cortex     Hybrid Journal   (Followers: 45, SJR: 4.827, h-index: 192)
CESifo Economic Studies     Hybrid Journal   (Followers: 17, SJR: 0.501, h-index: 19)
Chemical Senses     Hybrid Journal   (Followers: 1, SJR: 1.436, h-index: 76)
Children and Schools     Hybrid Journal   (Followers: 6, SJR: 0.211, h-index: 18)
Chinese J. of Comparative Law     Hybrid Journal   (Followers: 4)
Chinese J. of Intl. Law     Hybrid Journal   (Followers: 22, SJR: 0.737, h-index: 11)
Chinese J. of Intl. Politics     Hybrid Journal   (Followers: 9, SJR: 1.238, h-index: 15)
Christian Bioethics: Non-Ecumenical Studies in Medical Morality     Hybrid Journal   (Followers: 11, SJR: 0.191, h-index: 8)
Classical Receptions J.     Hybrid Journal   (Followers: 24, SJR: 0.1, h-index: 3)
Clinical Infectious Diseases     Hybrid Journal   (Followers: 62, SJR: 4.742, h-index: 261)
Clinical Kidney J.     Open Access   (Followers: 3, SJR: 0.338, h-index: 19)
Community Development J.     Hybrid Journal   (Followers: 25, SJR: 0.47, h-index: 28)
Computer J.     Hybrid Journal   (Followers: 9, SJR: 0.371, h-index: 47)
Conservation Physiology     Open Access   (Followers: 2)
Contemporary Women's Writing     Hybrid Journal   (Followers: 11, SJR: 0.111, h-index: 3)
Contributions to Political Economy     Hybrid Journal   (Followers: 5, SJR: 0.313, h-index: 10)
Critical Values     Full-text available via subscription  
Current Legal Problems     Hybrid Journal   (Followers: 27)
Current Zoology     Full-text available via subscription   (Followers: 1, SJR: 0.999, h-index: 20)
Database : The J. of Biological Databases and Curation     Open Access   (Followers: 10, SJR: 1.068, h-index: 24)
Digital Scholarship in the Humanities     Hybrid Journal   (Followers: 13)
Diplomatic History     Hybrid Journal   (Followers: 19, SJR: 0.296, h-index: 22)
DNA Research     Open Access   (Followers: 5, SJR: 2.42, h-index: 77)
Dynamics and Statistics of the Climate System     Open Access   (Followers: 3)
Early Music     Hybrid Journal   (Followers: 15, SJR: 0.124, h-index: 11)
Economic Policy     Hybrid Journal   (Followers: 38, SJR: 2.052, h-index: 52)
ELT J.     Hybrid Journal   (Followers: 25, SJR: 1.26, h-index: 23)
English Historical Review     Hybrid Journal   (Followers: 55, SJR: 0.311, h-index: 10)
English: J. of the English Association     Hybrid Journal   (Followers: 14, SJR: 0.144, h-index: 3)
Environmental Entomology     Full-text available via subscription   (Followers: 11, SJR: 0.791, h-index: 66)
Environmental Epigenetics     Open Access   (Followers: 3)
Environmental History     Hybrid Journal   (Followers: 28, SJR: 0.197, h-index: 25)
EP-Europace     Hybrid Journal   (Followers: 2, SJR: 2.201, h-index: 71)
Epidemiologic Reviews     Hybrid Journal   (Followers: 9, SJR: 3.917, h-index: 81)
ESHRE Monographs     Hybrid Journal  
Essays in Criticism     Hybrid Journal   (Followers: 16, SJR: 0.1, h-index: 6)
European Heart J.     Hybrid Journal   (Followers: 52, SJR: 6.997, h-index: 227)
European Heart J. - Cardiovascular Imaging     Hybrid Journal   (Followers: 8, SJR: 2.044, h-index: 58)
European Heart J. - Cardiovascular Pharmacotherapy     Full-text available via subscription   (Followers: 1)
European Heart J. - Quality of Care and Clinical Outcomes     Hybrid Journal  
European Heart J. Supplements     Hybrid Journal   (Followers: 7, SJR: 0.152, h-index: 31)
European J. of Cardio-Thoracic Surgery     Hybrid Journal   (Followers: 8, SJR: 1.568, h-index: 104)
European J. of Intl. Law     Hybrid Journal   (Followers: 179, SJR: 0.722, h-index: 38)
European J. of Orthodontics     Hybrid Journal   (Followers: 4, SJR: 1.09, h-index: 60)
European J. of Public Health     Hybrid Journal   (Followers: 23, SJR: 1.284, h-index: 64)
European Review of Agricultural Economics     Hybrid Journal   (Followers: 11, SJR: 1.549, h-index: 42)
European Review of Economic History     Hybrid Journal   (Followers: 29, SJR: 0.628, h-index: 24)
European Sociological Review     Hybrid Journal   (Followers: 41, SJR: 2.061, h-index: 53)
Evolution, Medicine, and Public Health     Open Access   (Followers: 11)
Family Practice     Hybrid Journal   (Followers: 13, SJR: 1.048, h-index: 77)
Fems Microbiology Ecology     Hybrid Journal   (Followers: 10, SJR: 1.687, h-index: 115)
Fems Microbiology Letters     Hybrid Journal   (Followers: 22, SJR: 1.126, h-index: 118)
Fems Microbiology Reviews     Hybrid Journal   (Followers: 27, SJR: 7.587, h-index: 150)
Fems Yeast Research     Hybrid Journal   (Followers: 14, SJR: 1.213, h-index: 66)
Foreign Policy Analysis     Hybrid Journal   (Followers: 23, SJR: 0.859, h-index: 10)
Forestry: An Intl. J. of Forest Research     Hybrid Journal   (Followers: 15, SJR: 0.903, h-index: 44)
Forum for Modern Language Studies     Hybrid Journal   (Followers: 6, SJR: 0.108, h-index: 6)
French History     Hybrid Journal   (Followers: 32, SJR: 0.123, h-index: 10)
French Studies     Hybrid Journal   (Followers: 20, SJR: 0.119, h-index: 7)
French Studies Bulletin     Hybrid Journal   (Followers: 10, SJR: 0.102, h-index: 3)
Gastroenterology Report     Open Access   (Followers: 2)
Genome Biology and Evolution     Open Access   (Followers: 14, SJR: 3.22, h-index: 39)
Geophysical J. Intl.     Hybrid Journal   (Followers: 35, SJR: 1.839, h-index: 119)
German History     Hybrid Journal   (Followers: 27, SJR: 0.437, h-index: 13)
GigaScience     Open Access   (Followers: 3)
Global Summitry     Hybrid Journal   (Followers: 1)
Glycobiology     Hybrid Journal   (Followers: 14, SJR: 1.692, h-index: 101)
Health and Social Work     Hybrid Journal   (Followers: 55, SJR: 0.505, h-index: 40)
Health Education Research     Hybrid Journal   (Followers: 14, SJR: 0.814, h-index: 80)
Health Policy and Planning     Hybrid Journal   (Followers: 23, SJR: 1.628, h-index: 66)
Health Promotion Intl.     Hybrid Journal   (Followers: 21, SJR: 0.664, h-index: 60)
History Workshop J.     Hybrid Journal   (Followers: 30, SJR: 0.313, h-index: 20)
Holocaust and Genocide Studies     Hybrid Journal   (Followers: 27, SJR: 0.115, h-index: 13)
Human Molecular Genetics     Hybrid Journal   (Followers: 9, SJR: 4.288, h-index: 233)
Human Reproduction     Hybrid Journal   (Followers: 80, SJR: 2.271, h-index: 179)
Human Reproduction Update     Hybrid Journal   (Followers: 19, SJR: 4.678, h-index: 128)
Human Rights Law Review     Hybrid Journal   (Followers: 64, SJR: 0.7, h-index: 21)
ICES J. of Marine Science: J. du Conseil     Hybrid Journal   (Followers: 55, SJR: 1.233, h-index: 88)
ICSID Review     Hybrid Journal   (Followers: 12)
ILAR J.     Hybrid Journal   (Followers: 2, SJR: 1.099, h-index: 51)
IMA J. of Applied Mathematics     Hybrid Journal   (SJR: 0.329, h-index: 26)
IMA J. of Management Mathematics     Hybrid Journal   (Followers: 1, SJR: 0.351, h-index: 20)
IMA J. of Mathematical Control and Information     Hybrid Journal   (Followers: 2, SJR: 0.661, h-index: 28)
IMA J. of Numerical Analysis - advance access     Hybrid Journal   (SJR: 2.032, h-index: 44)
Industrial and Corporate Change     Hybrid Journal   (Followers: 9, SJR: 1.37, h-index: 81)
Industrial Law J.     Hybrid Journal   (Followers: 33, SJR: 0.184, h-index: 15)
Information and Inference     Free  
Integrative and Comparative Biology     Hybrid Journal   (Followers: 8, SJR: 1.911, h-index: 90)
Interacting with Computers     Hybrid Journal   (Followers: 11, SJR: 0.529, h-index: 59)
Interactive CardioVascular and Thoracic Surgery     Hybrid Journal   (Followers: 5, SJR: 0.743, h-index: 35)
Intl. Affairs     Hybrid Journal   (Followers: 52, SJR: 1.264, h-index: 53)
Intl. Data Privacy Law     Hybrid Journal   (Followers: 31)
Intl. Health     Hybrid Journal   (Followers: 5, SJR: 0.835, h-index: 15)
Intl. Immunology     Hybrid Journal   (Followers: 3, SJR: 1.613, h-index: 111)
Intl. J. for Quality in Health Care     Hybrid Journal   (Followers: 34, SJR: 1.593, h-index: 69)
Intl. J. of Constitutional Law     Hybrid Journal   (Followers: 63, SJR: 0.613, h-index: 19)
Intl. J. of Epidemiology     Hybrid Journal   (Followers: 170, SJR: 4.381, h-index: 145)
Intl. J. of Law and Information Technology     Hybrid Journal   (Followers: 5, SJR: 0.247, h-index: 8)
Intl. J. of Law, Policy and the Family     Hybrid Journal   (Followers: 29, SJR: 0.307, h-index: 15)
Intl. J. of Lexicography     Hybrid Journal   (Followers: 8, SJR: 0.404, h-index: 18)
Intl. J. of Low-Carbon Technologies     Open Access   (Followers: 1, SJR: 0.457, h-index: 12)
Intl. J. of Neuropsychopharmacology     Open Access   (Followers: 3, SJR: 1.69, h-index: 79)
Intl. J. of Public Opinion Research     Hybrid Journal   (Followers: 9, SJR: 0.906, h-index: 33)
Intl. J. of Refugee Law     Hybrid Journal   (Followers: 35, SJR: 0.231, h-index: 21)
Intl. J. of Transitional Justice     Hybrid Journal   (Followers: 13, SJR: 0.833, h-index: 12)
Intl. Mathematics Research Notices     Hybrid Journal   (Followers: 1, SJR: 2.052, h-index: 42)
Intl. Political Sociology     Hybrid Journal   (Followers: 34, SJR: 1.339, h-index: 19)
Intl. Relations of the Asia-Pacific     Hybrid Journal   (Followers: 18, SJR: 0.539, h-index: 17)
Intl. Studies Perspectives     Hybrid Journal   (Followers: 7, SJR: 0.998, h-index: 28)
Intl. Studies Quarterly     Hybrid Journal   (Followers: 40, SJR: 2.184, h-index: 68)
Intl. Studies Review     Hybrid Journal   (Followers: 18, SJR: 0.783, h-index: 38)
ISLE: Interdisciplinary Studies in Literature and Environment     Hybrid Journal   (Followers: 1, SJR: 0.155, h-index: 4)
ITNOW     Hybrid Journal   (Followers: 2, SJR: 0.102, h-index: 4)
J. of African Economies     Hybrid Journal   (Followers: 15, SJR: 0.647, h-index: 30)
J. of American History     Hybrid Journal   (Followers: 48, SJR: 0.286, h-index: 34)
J. of Analytical Toxicology     Hybrid Journal   (Followers: 14, SJR: 1.038, h-index: 60)
J. of Antimicrobial Chemotherapy     Hybrid Journal   (Followers: 14, SJR: 2.157, h-index: 149)
J. of Antitrust Enforcement     Hybrid Journal   (Followers: 1)
J. of Applied Poultry Research     Hybrid Journal   (Followers: 4, SJR: 0.563, h-index: 43)
J. of Biochemistry     Hybrid Journal   (Followers: 42, SJR: 1.341, h-index: 96)
J. of Chromatographic Science     Hybrid Journal   (Followers: 18, SJR: 0.448, h-index: 42)
J. of Church and State     Hybrid Journal   (Followers: 11, SJR: 0.167, h-index: 11)
J. of Competition Law and Economics     Hybrid Journal   (Followers: 36, SJR: 0.442, h-index: 16)
J. of Complex Networks     Hybrid Journal   (Followers: 1, SJR: 1.165, h-index: 5)
J. of Conflict and Security Law     Hybrid Journal   (Followers: 13, SJR: 0.196, h-index: 15)
J. of Consumer Research     Full-text available via subscription   (Followers: 43, SJR: 4.896, h-index: 121)
J. of Crohn's and Colitis     Hybrid Journal   (Followers: 10, SJR: 1.543, h-index: 37)
J. of Cybersecurity     Hybrid Journal   (Followers: 3)
J. of Deaf Studies and Deaf Education     Hybrid Journal   (Followers: 10, SJR: 0.69, h-index: 36)
J. of Design History     Hybrid Journal   (Followers: 18, SJR: 0.166, h-index: 14)
J. of Economic Entomology     Full-text available via subscription   (Followers: 6, SJR: 0.894, h-index: 76)
J. of Economic Geography     Hybrid Journal   (Followers: 24, SJR: 2.909, h-index: 69)
J. of Environmental Law     Hybrid Journal   (Followers: 24, SJR: 0.457, h-index: 20)
J. of European Competition Law & Practice     Hybrid Journal   (Followers: 21)
J. of Experimental Botany     Hybrid Journal   (Followers: 14, SJR: 2.798, h-index: 163)
J. of Financial Econometrics     Hybrid Journal   (Followers: 23, SJR: 1.314, h-index: 27)
J. of Global Security Studies     Hybrid Journal   (Followers: 4)
J. of Heredity     Hybrid Journal   (Followers: 4, SJR: 1.024, h-index: 76)
J. of Hindu Studies     Hybrid Journal   (Followers: 8, SJR: 0.186, h-index: 3)
J. of Hip Preservation Surgery     Open Access  
J. of Human Rights Practice     Hybrid Journal   (Followers: 20, SJR: 0.399, h-index: 10)
J. of Infectious Diseases     Hybrid Journal   (Followers: 41, SJR: 4, h-index: 209)
J. of Insect Science     Open Access   (Followers: 9, SJR: 0.388, h-index: 31)

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Journal Cover IMA Journal of Mathematical Control and Information
  [SJR: 0.661]   [H-I: 28]   [2 followers]  Follow
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 0265-0754 - ISSN (Online) 1471-6887
   Published by Oxford University Press Homepage  [370 journals]
  • Finite-time control of linear systems subject to time-varying disturbances
    • Authors: Zhou L; Han Y, Yang C.
      Pages: 765 - 777
      Abstract: This paper considers finite-time control of linear systems subject to time-varying disturbances. The concepts of quasi finite-time stability and quasi finite-time boundedness are defined and a sufficient condition for a linear system with disturbances to be quasi finite-time bounded is derived. It is shown that the notions are more general and the condition is less conservative than the existing ones. A state feedback controller design method is given to solve the finite-time control problem. All the conditions are then reduced to feasibility problems involving linear matrix inequalities and numerical examples are given to illustrate the obtained results.
      PubDate: 2016-01-12
      DOI: 10.1093/imamci/dnv073
      Issue No: Vol. 34, No. 3 (2016)
  • Approximate controllability of impulsive fractional stochastic partial
           neutral integrodifferential inclusions with infinite delay
    • Authors: Yan Z; Jia X.
      Pages: 779 - 820
      Abstract: In this article, the problem of approximate controllability for impulsive fractional stochastic partial neutral integrodifferential inclusions with infinite delay in a Hilbert space is investigated. By using the Hölder inequality, the analytic $\alpha $-resolvent operator and fixed point strategy with stochastic analysis theory, we derive a new set of sufficient conditions for the approximate controllability of an impulsive fractional stochastic system under the assumption that the corresponding linear system is approximately controllable. Finally, an illustrative example is given to show the effectiveness of the obtained results.
      PubDate: 2016-01-20
      DOI: 10.1093/imamci/dnv062
      Issue No: Vol. 34, No. 3 (2016)
  • Iterative learning control for quasi-one-sided Lipschitz non-linear
    • Authors: Gu W; Fu Q, Wu J.
      Pages: 821 - 830
      Abstract: This paper addresses the problem of iterative learning control for non-linear systems in the presence of initial state errors. Here, the non-linear functions in the considered systems satisfy quasi-one-sided Lipschitz condition, which is an assumption weaker than the classical Lipschitz condition. And the P-type learning scheme is proposed for the corresponding quasi-one-sided Lipschitz non-linear systems. When the learning scheme is applied to the systems, the output tracking errors are bounded, and furthermore, the tracking errors can tend to zero along the iteration axis in the absence of initial state errors. The simulation result verifies the effectiveness of the proposed algorithm.
      PubDate: 2016-01-20
      DOI: 10.1093/imamci/dnv070
      Issue No: Vol. 34, No. 3 (2016)
  • Distributed tracking control of the Schrödinger equation with
           internal disturbance
    • Authors: Cui H; Xu G, Han Z.
      Pages: 831 - 850
      Abstract: This paper concerns the existence of a solution and the stabilization of a one-dimensional Schrödinger equation with internal disturbance. Here, a non-linear controller is designed to stabilize the system. The existence of the solution for the system is verified by variation method, which can be regarded as an extended version of the Lions–Lax–Milgram theorem. The finite-time stability of the system under this control law is proved by Lyapunov analysis. Finally, some numerical simulations are presented for validating the effectiveness of the method.
      PubDate: 2016-01-20
      DOI: 10.1093/imamci/dnv071
      Issue No: Vol. 34, No. 3 (2016)
  • The improved eigenvalue bounds for the solution of the discrete algebraic
           Riccati equation
    • Authors: Zhang J; Liu J, Zha Y.
      Pages: 851 - 870
      Abstract: In this paper, by using matrix eigenvalue inequalities and the properties of the positive definite solution for the discrete algebraic Riccati equation (DARE), we present upper and lower eigenvalue bounds for the solution of this equation. Moreover, applying majorization inequalities and eigenvalue summation (product) inequalities of special matrices, based on the derived results, we propose upper and lower bounds on eigenvalue summation and product for the solution of the DARE, which improve some of the recent results. The numerical examples show the effectiveness of the derived results.
      PubDate: 2016-01-20
      DOI: 10.1093/imamci/dnv074
      Issue No: Vol. 34, No. 3 (2016)
  • Regional boundary controllability of time fractional diffusion processes
    • Authors: Ge F; Chen Y, Kou C.
      Pages: 871 - 888
      Abstract: In this paper, we are concerned with the regional boundary controllability of the Riemann–Liouville time fractional diffusion systems of order $\alpha \in (0,1]$. The characterizations of strategic actuators are established when the systems studied are regionally boundary controllable. The determination of control to achieve regional boundary controllability with minimum energy is explored. We also show a connection between the regional internal controllability and regional boundary controllability. Several useful results for the optimal control from an implementation point of view are presented in the end.
      PubDate: 2016-01-28
      DOI: 10.1093/imamci/dnw001
      Issue No: Vol. 34, No. 3 (2016)
  • Numerical solution of optimal control problem of the non-linear Volterra
           integral equations via generalized hat functions
    • Authors: Mirzaee F; Hadadiyan E.
      Pages: 889 - 904
      Abstract: This paper presents a numerical method for solving optimal control problems including non-linear Volterra integral equations. The method is based upon generalized hat functions (HFs). Using the properties of HFs and associated operational matrices, optimal control problem is converted to an optimization problem. Furthermore, error analysis of the proposed method is studied. Illustrative examples are included to demonstrate the validity and applicability of the approach.
      PubDate: 2016-02-03
      DOI: 10.1093/imamci/dnw002
      Issue No: Vol. 34, No. 3 (2016)
  • Stability of periodic solutions of nonlinear time-delay systems
    • Authors: Ngoc P.
      Pages: 905 - 918
      Abstract: General non-linear differential systems with time-varying delays are considered. Explicit criteria for existence, uniqueness and global exponential stability of periodic solutions are given. Then the obtained result is used to investigate exponential stability of periodic solutions of delayed neural networks.
      PubDate: 2016-02-26
      DOI: 10.1093/imamci/dnw003
      Issue No: Vol. 34, No. 3 (2016)
  • Non-linear observer design for a class of singular time-delay systems with
           Lipschitz non-linearities
    • Authors: Nguyen M; Trinh H, Nam P.
      Pages: 919 - 935
      Abstract: In this paper, we consider a class of time-delay singular systems with Lipschitz non-linearities. A method of designing full-order observers for the systems is presented which can handle non-linearities with large-Lipschitz constants. The Lipschitz conditions are reformulated into linear parameter varying systems, then the Lyapunov–Krasovskii approach and the convexity principle are applied to study stability of the new systems. Furthermore, the observers design does not require the assumption of regularity for singular systems. In case the systems are non-singular, a reduced-order observers design is proposed instead. In both cases, synthesis conditions for the observers designs are derived in terms of linear matrix inequalities which can be solved efficiently by numerical methods. The efficiency of the obtained results is illustrated by two numerical examples.
      PubDate: 2016-03-11
      DOI: 10.1093/imamci/dnw006
      Issue No: Vol. 34, No. 3 (2016)
  • Viscosity solutions for a system of PDEs and optimal switching
    • Authors: El Asri B; Fakhouri I.
      Pages: 937 - 960
      Abstract: In this paper, we study the existence and uniqueness of viscosity solutions for a system of $m$ variational partial differential inequalities with interconnected obstacles. A particular case of this system is the deterministic version of the Verification Theorem of the Markovian optimal $m$-states optimal switching problem in finite horizon. The switching cost functions are arbitrary and can be positive or negative. This has an economic incentive in terms of central valuation in cases where such organizations or states give grants or financial assistance to power plants that promote green energy in their production activity or that uses less polluting modes in their production. Our main tools is an approximation scheme and the notion of systems of reflected backward stochastic differential equations.
      PubDate: 2016-03-15
      DOI: 10.1093/imamci/dnw004
      Issue No: Vol. 34, No. 3 (2016)
  • Regional stabilization of semi-linear parabolic systems
    • Authors: Harraki I; Alami A, Boutoulout AA, et al.
      Pages: 961 - 971
      Abstract: In this paper, we study the regional stability and stabilization of semi-linear systems defined on a Hilbert state space. We prove that the system is stable once the strong controllability assumption is fulfilled together with a Lipschitz property of the non-linear operator. Furthermore, we propose a design of a class of non-linear controls that guaranteed regional exponential stabilization.
      PubDate: 2016-03-17
      DOI: 10.1093/imamci/dnw007
      Issue No: Vol. 34, No. 3 (2016)
  • Optimal control problem for a class of bilinear systems via block pulse
    • Authors: Balatif O; Rachik M, Labriji E, et al.
      Pages: 973 - 986
      Abstract: This paper deals with an optimal control problem with quadratic cost for a class of bilinear systems using the orthogonal functions technique. The main idea of this technique is that it reduces the problem to solving a system of algebraic equations, thus simplifying the problem. The control variable and the state variables are approximated by block pulse functions series. Then the system dynamics is transformed into systems of algebraic equations. Finally, numerical results are given to illustrate the proposed method.
      PubDate: 2016-03-25
      DOI: 10.1093/imamci/dnw005
      Issue No: Vol. 34, No. 3 (2016)
  • Lower bounds on eigenvalue summation for the solution of the Lyapunov
           matrix differential equation
    • Authors: Zhang J; Liu J, Li Q.
      Pages: 987 - 998
      Abstract: The Lyapunov matrix differential equation has widely applications in control theory and linear system. In this paper, applying the properties of exponential matrices and integrable functions, we obtain lower bounds on eigenvalue summation for the solution of this equation using eigenvalue inequalities and majorization inequalities. Finally, we give a corresponding numerical example to show the effectiveness of the derived bounds.
      PubDate: 2016-04-04
      DOI: 10.1093/imamci/dnw008
      Issue No: Vol. 34, No. 3 (2016)
  • The null controllability of nonlinear discrete control systems with
    • Authors: Tan X Li Y.
      Pages: 999 - 1010
      Abstract: This article mainly concerns the null controllability of autonomous and non-autonomous nonlinear discrete control systems. By using Cayley–Hamilton theorem and Brouwer's fixed point theorem under a condition on the nonlinearity, sufficient and necessary conditions of null controllability for nonlinear discrete control systems are presented. In our approach, the linear part of systems under consideration might admit some degeneracy. In addition, applications are given to illustrate the obtained results.
      PubDate: 2016-06-27
      DOI: 10.1093/imamci/dnw022
      Issue No: Vol. 34, No. 3 (2016)
  • Tracking control for uncertain fractional-order chaotic systems based on
           disturbance observer and neural network
    • Authors: Shao S; Chen M, Wu Q.
      Pages: 1011 - 1030
      Abstract: This article proposes an adaptive neural tracking control scheme for uncertain fractional-order chaotic systems (FOCSs) subject to unknown disturbance and input saturation. To tackle the system uncertainty in the FOCS, the radial basis function neural network (RBFNN) is employed. Furthermore, the sliding mode fractional-order disturbance observer (SMFODO) is designed to estimate the unknown disturbance. Using the backstepping technique, an adaptive neural control is proposed for uncertain FOCSs by employing the RBFNN and the developed SMFODO. To avoid the tedious analytic computation in the backstepping method, a fractional-order differentiator is introduced. The stability is proved via fractional-order analysis method for the whole closed-loop system in the presence of the system uncertainty, the input saturation and the unknown external disturbance. Simulation results of the fractional-order chaotic electronic oscillator model are presented to illustrate the effectiveness of the proposed adaptive neural tracking control scheme.
      PubDate: 2016-06-27
      DOI: 10.1093/imamci/dnw024
      Issue No: Vol. 34, No. 3 (2016)
  • Controllability for retarded semilinear integrodifferential control
           systems with unbounded operators
    • Authors: Jeong J; Hwang H.
      Pages: 1031 - 1043
      Abstract: In this article we establish sufficient conditions for the approximate controllability of retarded semilinear integrodifferential control systems with unbounded operators under simple conditions on the controller and a weak backward uniqueness property for the adjoint system of the corresponding linear system. A simple example to which our main result can be applied is given.
      PubDate: 2016-06-28
      DOI: 10.1093/imamci/dnw027
      Issue No: Vol. 34, No. 3 (2016)
  • Projective lag synchronization of second-order chaotic systems via
           modified terminal sliding mode control
    • Authors: Gao Y; Ren J, Zhao M.
      Pages: 1045 - 1059
      Abstract: This article addresses the projective lag synchronization for a class of second-order chaotic systems via a modified terminal sliding mode control (TSMC). The terminal sliding surface is constructed with a differential odd function, which is a superset of the conventional terminal sliding surfaces. Based on the TSMC technique, the sufficient conditions are given to assure the valid projective lag synchronization of second-order chaotic systems occurs. The corresponding numerical simulation is provided to illustrate the effectiveness of the developed theoretical results.
      PubDate: 2016-06-28
      DOI: 10.1093/imamci/dnw028
      Issue No: Vol. 34, No. 3 (2016)
  • Zero-error convergence of iterative learning control using quantized error
    • Authors: Xu Y; Shen D, Bu X.
      Pages: 1061 - 1077
      Abstract: An iterative learning control algorithm using quantized error information is proposed in this article for both linear and nonlinear systems. The actual output is first compared with the reference signal and then the corresponding error is quantized and transmitted. A logarithmic quantizer is used to guarantee an adaptive improvement for tracking performance. The tracking error under this scheme is proved to converge to zero asymptotically. Illustrative examples verify the theoretical results.
      PubDate: 2016-06-28
      DOI: 10.1093/imamci/dnw031
      Issue No: Vol. 34, No. 3 (2016)
  • The solution of some discretionary stopping problems
    • Authors: Johnson TC.
      Pages: 717 - 744
      Abstract: We present a methodology for obtaining explicit solutions to infinite time horizon optimal stopping problems involving general, one-dimensional, Itô diffusions, payoff functions that need not be smooth and state-dependent discounting. This is done within a framework based on dynamic programming techniques employing variational inequalities. The aim of this paper is to facilitate the solution of a wide variety of problems, particularly in finance or economics.
      PubDate: 2015-12-17
      DOI: 10.1093/imamci/dnv060
      Issue No: Vol. 34, No. 3 (2015)
  • Iterative estimation for a non-linear IIR filter with moving average noise
           by means of the data filtering technique
    • Authors: Wang Y; Ding F.
      Pages: 745 - 764
      Abstract: This paper considers the parameter estimation issues of a non-linear infinite impulse response (IIR) filter with moving average noise. The main objective is to present novel iterative estimation methods of a non-linear IIR filter by using the data filtering technique. Firstly, the gradient-based iterative (GI) algorithm is given for a non-linear IIR filter with moving average noise as a comparison. Secondly, a data filtering-based GI algorithm is presented for improving the parameter estimation accuracy. Thirdly, a data filtering-based least squares iterative algorithm is derived for improving the computation efficiency and boosting up the convergence rate. Finally, the simulation results are given to illustrate the performances of the proposed algorithms.
      PubDate: 2015-12-24
      DOI: 10.1093/imamci/dnv067
      Issue No: Vol. 34, No. 3 (2015)
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