Context. When constructing specialized and programmable mobile systems, there arises the problem of system restructuring, under<br />system functioning conditions breach because of changes in the noise-signaling environment or the system operating conditions.<br />Any rearrangement of the system’s digital frequency-dependent components leads to the occurrence of transient process, which duration<br />is determined by the components characteristics. The traditional approach to the transient process analysis refers to the zero initial<br />conditions, however, the intelligent sensors and specialized computer systems operation as well as parameters adjustment as well<br />as other system components can be performed under non-zero initial conditions. This implies the need for a large number of computations,<br />not feasible sometimes in real time. Here essential is to assess the duration of process’ transition to readjustment process to<br />provide the system operability under new conditions.<br />Objective. To estimate the transient process’ maximum duration when rearrangement, to determine the possible rearrangements<br />range and width, taking into account the system stability.<br />Method. This research carrying out improved is the indirect method of transient process duration estimating by the transfer function<br />poles simplifying the irrational function expansion.<br />Results. The effected analysis with relevant modeling and theoretical verification allowed obtaining relations to estimate the<br />transient process maximum duration and to determine possible modifications range and width taking into account the system stability.<br />Upon research results we built the dependencies of transient process duration onto the cutoff respective frequency. Simplified is<br />the representation of relation used to determine the transient process length at the expense of decomposing into order series.<br />Conclusions. The results obtained allow us to estimate the transient process duration upper limit by improving the indirect<br />method of estimating the transient process duration along the transfer function poles, while simplifying the irrational function expansion,<br />that making possible, before the rearrangement beginning, considering the given new relative cutoff frequency and the component<br />order, to predict the component stability afterwards. From a practical point of view, this reduces the calculations amount and due<br />to the predicted result, increases the specialized computer system overall and by-components efficiency for specified performance<br />criteria. The results obtained are applicable to the design of computer systems’ microprocessor components.
Науковий журнал «Радіоелектроніка, інформатика, управління»
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Ukhina, А. V.; Odessa National Polytechnic University Computing systems Department, Odessa, Ukraine. Sitnikov, V. S.; Odessa National Polytechnic University Computing systems Department, Odessa, Ukraine. |
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Context. When constructing specialized and programmable mobile systems, there arises the problem of system restructuring, under<br />system functioning conditions breach because of changes in the noise-signaling environment or the system operating conditions.<br />Any rearrangement of the system’s digital frequency-dependent components leads to the occurrence of transient process, which duration<br />is determined by the components characteristics. The traditional approach to the transient process analysis refers to the zero initial<br />conditions, however, the intelligent sensors and specialized computer systems operation as well as parameters adjustment as well<br />as other system components can be performed under non-zero initial conditions. This implies the need for a large number of computations,<br />not feasible sometimes in real time. Here essential is to assess the duration of process’ transition to readjustment process to<br />provide the system operability under new conditions.<br />Objective. To estimate the transient process’ maximum duration when rearrangement, to determine the possible rearrangements<br />range and width, taking into account the system stability.<br />Method. This research carrying out improved is the indirect method of transient process duration estimating by the transfer function<br />poles simplifying the irrational function expansion.<br />Results. The effected analysis with relevant modeling and theoretical verification allowed obtaining relations to estimate the<br />transient process maximum duration and to determine possible modifications range and width taking into account the system stability.<br />Upon research results we built the dependencies of transient process duration onto the cutoff respective frequency. Simplified is<br />the representation of relation used to determine the transient process length at the expense of decomposing into order series.<br />Conclusions. The results obtained allow us to estimate the transient process duration upper limit by improving the indirect<br />method of estimating the transient process duration along the transfer function poles, while simplifying the irrational function expansion,<br />that making possible, before the rearrangement beginning, considering the given new relative cutoff frequency and the component<br />order, to predict the component stability afterwards. From a practical point of view, this reduces the calculations amount and due<br />to the predicted result, increases the specialized computer system overall and by-components efficiency for specified performance<br />criteria. The results obtained are applicable to the design of computer systems’ microprocessor components. |
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Zaporizhzhya National Technical University 2018-12-07 16:07:43 |
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application/pdf http://ric.zntu.edu.ua/article/view/149520 |
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Radio Electronics, Computer Science, Control; No 3 (2018): Radio Electronics, Computer Science, Control |
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Copyright (c) 2018 А. V. Ukhina, V. S. Sitnikov |
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