Step-length-varying multi-program synchronous calculation system and method based on time domain control technology

A technology of synchronous calculation and time domain control, applied in the direction of program synchronization, program control design, multi-programming device, etc., can solve the problems of inability to guarantee the calculation accuracy of the calculation program, low accuracy, etc., achieve convenient data maintenance, speed up the calculation speed, The effect of high calculation accuracy

Active Publication Date: 2017-12-15
RES INST OF NUCLEAR POWER OPERATION +1
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Problems solved by technology

Therefore, when multiple calculation programs perform collaborative calculations, a fixed step size is generally used. However, due to the different convergence conditions of each calculation program, the use of a fixed step size method cannot guarantee the calculation accuracy of each calculation program. The precision of the calculation result is low

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  • Step-length-varying multi-program synchronous calculation system and method based on time domain control technology

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Embodiment Construction

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0027] see figure 1 As shown, the embodiment of the present invention provides a multi-program synchronization computing system based on time domain control technology, including: several different types of application programs, a main scheduler and a shared module. Among them, each application program is used to calculate a certain type of parameters in the field of nuclear power. The application programs in this embodiment are the core physics program for calculating the core physical process in the nuclear power plant full-range simulator, and the calculation of the main system thermal process. Thermal-hydraulic programs for engineering and hydraulics, flow-net programs for calculating fluid networks, electrical programs for calculating electrical networks, and logic programs for calculating logic processes. These applications need to work ...

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Abstract

The invention discloses a multi-program synchronous calculation system and method based on a time domain control technology. The system comprises several application programs of different types, a main dispatcher, and a sharing module, wherein the application program of each type is used for calculating one type of parameters in the field of nuclear power. The main dispatcher is used for setting a dispatching time, and issuing dispatching instructions at intervals in the dispatching time, wherein the application program receives the dispatching instructions, several time step lengths are set to complete the calculation within the dispatching time and according to a convergence criterion, and the sum of all the time step lengths equals the dispatching time; the sharing module is used for storing and updating the calculation result of each time step length of the application program in the dispatching time. According to the step-length-varying multi-program synchronous calculation system and method based on the time domain control technology, cooperative calculation of multiple step-length-varying application programs can be conducted simultaneously. It is guaranteed that all the application programs provide precise calculation synchronously, the calculation precision is high, and the efficiency is high.

Description

technical field [0001] The invention relates to the field of multi-task and multi-process collaborative computing, in particular to a multi-program synchronous computing system and method based on time-domain control technology. Background technique [0002] With the advancement of numerical computing, more and more complex processes have been included in the application of numerical computing, but a single program can only solve one or one type of problem, and the analysis of complex processes often involves the coupling and collaborative calculation of multiple programs. For example, when calculating the power change of a nuclear reactor, it is necessary to comprehensively use the coupling calculation of the core physics program and the thermal hydraulic program, and to calculate the off-site radioactive dose of the nuclear power plant, it is necessary to comprehensively use the coupling calculation of the atmospheric diffusion program, the source item calculation program a...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/52G06F9/48
CPCG06F9/4881G06F9/52
Inventor 魏巍
Owner RES INST OF NUCLEAR POWER OPERATION
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