Postgraduate Mikhaylov A.V., Candidate of Sciences Govorukhina T.N.
Federal State Educational Budgetary Institution of The Higher
Professional Education "Southwest State University", Russia
The
objective function and totality of basic functions of the adaptive module
peripheral system ensuring environmental safety
The objective
function of the peripheral system module ensuring environmental safety (PSEES)
is interpreted as forming of compressed data on status and behavior of complicated
dynamic object (CDO) and purposeful process (PP). This information is delivered
to the upper-level subsystem PSEES for secondary and tertiary processing. The
objective function of the adaptive module as element of primary information
network PSEES can be defined as part of the objective function group PSEES
distributed type [1].
Information field
on the basis of peripheral subsystem of PSEES from these positions is defined
as configured in the form of measuring - control geographically distributed
network modules of receipt, collection and pre-processing of the primary
information from CDO and PP. Necessary set of basic and service functions
(functional organization) of typical module as an element of this network is
caused by the following:
- controlled by
CDO and PP functions have geographically dispersion. Network of sensors and
local delivery channels of initial information through the commutation to the
elements of measuring - control network are also of geographically distributed
character;
- large amount of
initial information received from hundreds and thousands of sensors often has
diverse and multidimensional character;
- presence of a
priori uncertainty concerning characteristics of the stream input impact,
multidimensionality of its parametric description and description of
background interference;
- high dynamics
of the controlled objects and PP;
- because of the large volumes of primary data, requirements to performance of upper level of subsystems PSEES sharply increases.
The same way because of high dynamics of controlled PP there is a risk of delay reaction to the development of of
regular and non regular.
According to the
stated conditions the set of the main functions of the module as nodal element
of a peripheral subsystem of PSEES can be provided as:
- the function
realizing commutation of primary information channels from sensors taking into
account characteristics of a stream of input impacts;
- the function
which is responsible for measurement of the current parameter values of the
signals
arriving
on a module input with interferences
taking into account dynamics of
characteristics of stream and according to complex model of formation of
primary information in volume of set of the sensors, territorially and functionally
bound to this module;
- functions of
formation of an array of ordinal statistics;
- functions of
compression of the received measuring information in the form of arrays of
ordinal statistics by estimation and obtaining set of sufficient statistics for
a set
of
parameters, use of this statistics for internal and external operations.
At high intensity
of stream of input impacts
on the basis of posteriori information, the
additional (service) functions realizing locally the part of secondary
processing of measuring and semantic information, namely [1] can be reported to
the module:
- operational
recognition, identification of a local situation on the subobject (or stage PP)
controlled by the '
' independent module
according to nature of the information delivered by this information channel of
primary network;
- tracking
development of the current situation which is especially identified as non regular to transfer the intermediate data
to a subsystem of the top level of PSEES;
- to adapt for
characteristics of an input signal stream and noises, to change algorithm of
switching of signals and managing function with the purpose to select further
the most valuable information in the given situation, to create a local solution and the controlling
influence for controlled object or PP.
In this case
implementation of transmission channel of a peripheral subsystem to a subsystem
("kernel") of the top level is executed on duplex type [2]: address feedback
from PSEES kernel to the module (its software and hardware tools) on purpose is
in also realized:
- to specify and
if necessary to change the main and additional algorithms of functioning of the
'
' of the module of
primary network;
- to change and
add a matrix of local situations for the '
' module;
- to change the
functional capabilities of the module (to change the functional organization)
in case of change of a technique of preprocessing and character of local control;
- to add the
database and the knowledge base used for acceptance of local solutions of by the
'
' module;
- to reconfigure
a module software package in case of change of PP produced by controlled object.
References:
1. Говорухина, Т.Н. Математические модели
многошаговых процессов предобработки данных автономными сетевыми измерительными
модулями [Текст] / Т.Н. Говорухина, О.А. Терехова // Известия Юго-Западного
государственного университета. – Курск. - 2012. - №2 (4). - Часть 1. - С.
57-60.
2. Говорухина,
Т.Н. Информационно-логическая измерительная система с нечетким множеством
состояний [Текст] / А.А. Бурмака, Т.Н. Говорухина // Известия Юго-Западного
государственного университета. Серия Управление, вычислительная техника,
информатика. Медицинское приборостроение.- Курск. - 2012. - №2. - Часть 3. - С.
134-138.