EAST central timing system based on PXI (extension for instrumentation)

A timing system, the technology of PXI-6608, is applied in the field of EAST tokamak controllable nuclear fusion devices, which can solve the problem of not developing a timing trigger system, and achieve flexible and convenient function update and upgrade, fast event response speed, and easy parameter setting. Effect
CN102201908AInactive Publication Date: 2011-09-28INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
Publication Date
2011-09-28
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses an EAST central timing system based on PXI (extension for instrumentation), comprising a master control computer, a database server, PXI master nodes, PXI partial nodes and a separated driver which accesses to the PXI master nodes and the PXI partial nodes, wherein the master control computer, the database server, the PXI master nodes and the PXI partial nodes access to anEAST local area network respectively. In the system, a LabVIEWFPGA technology is adopted, thus system functions are upgraded more flexibly and conveniently. The system can be used to provide nanosecond-level clock signals and trigger signals with adjustable pulse width, selectable polarity and controllable enabling property, and is provided with an event trigger function, a signal acquisition function and a system self-checking function. The system can realize clock synchronization and trigger synchronization among partial nodes accurately and is convenient to expand. In the system, PXI industrial products are selected, and a virtual instrument technology is utilized to realize information interaction between hardware equipment and application programs seamlessly.
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Description

technical field

[0001] The invention relates to the field of EAST tokamak controllable nuclear fusion devices, in particular to a PXI-based EAST central timing system. Background technique

[0002] With the rapid development of economy and society, and the excessive development and utilization of fossil energy such as coal, oil, and natural gas, human beings will not only face energy crises such as fuel shortages and resource depletion, but also environmental problems such as air pollution and ecological destruction in the near future. Coordinating the sustainable development of energy and environment is a major issue that our country is currently facing.

[0003] The development and utilization of clean new energy in countries around the world is in the ascendant. Controllable thermonuclear fusion, which is clean, safe and has inexhaustible raw materials, has attracted widespread attention and may become an alternative energy source for human beings in the middle of this c...

Claims

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