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| Design of front end computer software for logging tool test bench based on uClinux |
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WU Wen he1, JU Xiao dong1, CHENG Xiang yang2, LU Jun qiang1, DENG Lin3
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(1.State Key Laboratory of Petroleum Resources and Prospecting in China University of Petroleum, Beijing 102249, China;2.College of Petroleum Engineering in China University of Petroleum, Qingdao 266555, China;3.Division of Northern China, China Petroleum Logging Company Limited, Renqiu 062552, China)
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| Abstract: |
| A design conception of front end computer software based on uClinux for logging tools test bench was described. The front end software is capable of high speed asynchronous communication and expandability, and composed of user program and device driver. The urgent tasks such as controller area network and downhole tool bus communication are implemented in the device driver, and meanwhile non emergency tasks are processed in the user program. The data exchange between user program and driver is implemented through asynchronous notification. The test benches of serialization imaging logging instruments for micro resistivity image tool, array induction tool, multipole array acoustic tool and so on, which are based on this software, are successfully designed and developed. |
| Key words: logging tool test bench uClinux software design device driver asynchronous notification |
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