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Transactions: WSEAS TRANSACTIONS ON POWER SYSTEMS
Transactions ID Number: 42-101
Full Name: Alin Argeseanu
Position: Senior Lecturer
Age: ON
Sex: Male
Address: str Uranus nr. 3 ap 4 Timisoara
Country: ROMANIA
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E-mail address: alin_argeseanu@yahoo.com
Other E-mails: alin.argeseanut@et.upt.ro
Title of the Paper: new absolute linear encoder dedicated to long distances intelligent transportation systems
Authors as they appear in the Paper: Alin Argeseanu, Ewen Ritchie, Krisztina Leban
Email addresses of all the authors: alin_argeseanu@yahoo.com, aer@iet.aau.dk, krisztina_leban@yahoo.com.au
Number of paper pages: 10
Abstract: This paper proposes a new absolute linear encoder (ALE). The innovative ALE can be used for long distance applications (more then 300m) and the accuracy of the measurements is 0.25mm. To paper proposes a new coding algorithm. This new coding algorithm uses a combination of 3 coding strategies: binary coding, permutation coding and length coding. Every coding strategy, comprising length, binary code, and permutation, requires a special track on the new coded strip. The coded strip of the proposed ALE contains 4 active tracks. This means, the proposed ALE requires only four optical sensors. The proposed ALE is implemented in an economical way, using standard optical sensors (type KEYENCE FD-FM2) and a high performance optical fiber sensor for the fine resolution track only (type KEYENCE FD-G4 with lens FX-MR3). The new encoder is a robust solution, able to work in a noisy environment. The maximum speed of the moving part (the vehicle) is 2m/s.
Keywords: linear absolute encoder, multiple codification, permutation coding, binary coding, linear motor optical fiber sensor, coded strip, intelligent transportation system
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