Simple Conditions for Practical Stability of Positive Fractional Discrete-Time Linear Systems
نویسندگان
چکیده
منابع مشابه
Simple Conditions for Practical Stability of Positive Fractional Discrete-Time Linear Systems
In the paper the problem of practical stability of linear positive discrete-time systems of fractional order is addressed. New simple necessary and sufficient conditions for practical stability and for practical stability independent of the length of practical implementation are established. It is shown that practical stability of the system is equivalent to asymptotic stability of the correspo...
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In positive systems inputs, state variables and outputs take only non-negative values. Examples of positive systems are industrial processes involving chemical reactors, heat exchangers and distillation columns, storage systems, compartmental systems, water and atmospheric pollution models. A variety of models having positive linear behavior can be found in engineering, management science, econ...
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This paper considers solving optimization problem for linear discrete time systems such that closed-loop discrete-time system is positive (i.e., all of its state variables have non-negative values) and also finite-time stable. For this purpose, by considering a quadratic cost function, an optimal controller is designed such that in addition to minimizing the cost function, the positivity proper...
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The practical stability of positive fractional discrete-time linear systems is addressed. It is shown that: 1) the positive fractional systems are unstable if at least one diagonal entry of the system matrix is greater one, 2) checking of the practical stability of the systems can be reduced to checking of the asymptotic stability of corresponding positive linear systems. The considerations are...
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The main focus of the paper is on the asymptotic behaviour of linear discrete-time positive systems. Emphasis is on highlighting the relationship between asymptotic stability and the structure of the system, and to expose the relationship between null-controllability and asymptotic stability. Results are presented for both time-invariant and time-variant systems.
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ژورنال
عنوان ژورنال: International Journal of Applied Mathematics and Computer Science
سال: 2009
ISSN: 1641-876X
DOI: 10.2478/v10006-009-0022-6