| Paper |
Title |
Page |
| TPPB06 |
The MIRI Imager Ground Support Equipment Control System Based on PCs
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172 |
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- D. Arranger, P. De Antoni, G. A. Durand, D. Eppelle, A. Goetschy, Y. Lussignol, P. Mattei, F. Gougnaud
CEA, Gif-sur-Yvette
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The James Web Space Telescope (JWST) is the successor of Hubble in the infrared. Our division, Dapnia, is in charge of the design and completion of the optomechanical part of the imager called MIRIM, one instrument of JWST, and of its test bench called the Ground Support Equipment (GSE). This GSE consists of a warm telescope simulator, of a model (identical to the flight model) of the imager, of a cryostat to cool the imager down to its operating temperature, and of an infrared detector (1024x1024 pixels). The telescope simulator is composed of several optical components to control (hexapod, 8 motors table, etc.). The major part of the hardware architecture for the control of the IR detector and the telescope simulator is based on PCs and COTS boards. This paper describes the software development and its specificities. ESO software (IRACE and BOB) and EPICS are associated to complete the operator interface. The cryostat control is our homemade supervision system for cryogenics systems based on PLCs, on the WorldFIP Fieldbus network, and on an industrial XPe PC. The tests of the different subsystems have started, and the whole test bench will be operational in summer 2007.
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| TPPB07 |
First Steps Towards the New Spiral2 Project Control System
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175 |
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- S. A. Avner, P. G. Graehling, J. H. Hosselet, C. M. Maazouzi, C. O. Olivetto
IPHC, Strasbourg Cedex 2
- D. Bogard, F. Gougnaud, J.-F. Gournay, Y. Lussignol, P. Mattei
CEA, Gif-sur-Yvette
- S. C. Cuzon, D. T. Touchard, E. Lecorche
GANIL, Caen
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The Spiral2 project at Ganil aims to produce rare ion beams using a uranium carbide target fission process. The accelerator consists of an RFQ followed by a superconducting cavity linac and is designed to provide high-intensity primary beams (deuterons, protons, or heavy ions). The accelerator should be commissioned by the end of 2011, and the first exotic beams are planned for one year later. The control system will be a result of collaboration between several institutes, among which is the Saclay Dapnia division, which has good experience and knowledge with EPICS. Because of its widely used functionalities, EPICS has been chosen as the basic framework for the accelerator control, and people from the other laboratories belonging to the collaboration are progressively acquiring their first experiences with it. The paper first explains the organization of the collaboration, then it describes the basic hardware and software choices for the project. Some preliminary implementations are therefore given. As the project is still in its beginning phase, the paper ends by listing some questions not yet resolved for the control system definition and remaining open to discussion.
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