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Applied Physics and Mathematics Annotation << Back
The method of fictitious flux:to optimal control resources |
Barabanov M.Yu.Nartov B.K.
This paper presents a method for calculating the redistribution of
the initial and / or ongoing resources in a wide range of practical
problems optimal control. The presented method is based on a
special extension of the dynamic equations of the system, formalizes
the original problem. Additional terms of the right sides of the
equations describing the managed switch in currents linking the
components of the system state. Within a given intensity-sharing
switch allows arbitrary reallocation of module components (resources)
while maintaining their current amount. The form of the
function, majorizing flow rate, determined by the type of task.
In problems of the first type of accommodation is a part of the
initial resources op timiziruemyh initial conditions, and the reallocation
of resources to the control interval is prohibited or physically
impossible. In this case majorized-regulating function allows
arbitrary sharing of resources in the initial interval of time is small
in comparison with the control interval, and then blocks kiruet exchange.
Thus, the decision to modify the source of the problem,
taken at the end of the initial interval contains the state vector,
arbitrarily close to the desired optimum. In problems of the second
type of initial conditions are hard coded, but allowed to ne-reraspredelyat
current total resources to control interval. In this case,
the majorizing function is constant on the entire range of control,
and its value is determined by the intensity of the physical limitations
of the real flows. Thus, the decision to modify the source of
the problem contains, in addition, the plan optimal reallocation
of resources to control interval, then implemented in real time. In
problems of the third type are allowed as the initial optimization
of resource allocation and reallocation of resources to optimize
the range of management. In this case, the majorizing function is
a combination of oscillating functions majorized problems of the
first and second types. The proposed approach was used by one
of the authors in the modeling of conflict driven mobile facilities.
Among other possible applications, you can specify the transport
problems linear programming, the planning and management of
physical experiments and manage computing resources.
Keywords: accommodation, allocation, resources, streams,
switching, dynamic systems, neural networks.
Contacts: E-mail: nartov@ofim.oscsbras.ru
Pp. 94-97. |
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