An Enhanced Run-Length Encoding Compression Method for Telemetry Data

• Autorzy: Shan Y. , Ren Y. , Zhen G. , Wang K.

Identyfikatory

DOI

10.1515/mms-2017-0039

• Języki publikacji: EN

Abstrakty

EN

The telemetry data are essential in evaluating the performance of aircraft and diagnosing its failures. This work combines the oversampling technology with the run-length encoding compression algorithm with an error factor to further enhance the compression performance of telemetry data in a multichannel acquisition system. Compression of telemetry data is carried out with the use of FPGAs. In the experiments there are used pulse signals and vibration signals. The proposed method is compared with two existing methods. The experimental results indicate that the compression ratio, precision, and distortion degree of the telemetry data are improved significantly compared with those obtained by the existing methods. The implementation and measurement of the proposed telemetry data compression method show its effectiveness when used in a high-precision high-capacity multichannel acquisition system.

Słowa kluczowe

EN

multichannel acquisition system; high compression performance; run-length encoding with error parameter; oversampling; hardware implementation

• Wydawca: Komitet Metrologii i Aparatury Naukowej PAN
• Czasopismo: Metrology and Measurement Systems
• Rocznik: 2017
• Tom: Vol. 24, nr 3
• Strony: 551--562
• Opis fizyczny: Bibliogr. 28 poz., rys., wykr.

Twórcy

autor

Shan Y.

• North University of China, National Key Laboratory For Electronic Measurement Technology, Taiyuan 030051, China
• North University of China, Key Laboratory of Instrumentation Science & Dynamic Measurement, Ministry of Education, Taiyuan 030051, China

autor

Ren Y.

• North University of China, National Key Laboratory For Electronic Measurement Technology, Taiyuan 030051, China
• North University of China, Key Laboratory of Instrumentation Science & Dynamic Measurement, Ministry of Education, Taiyuan 030051, China

autor

Zhen G.

• North University of China, National Key Laboratory For Electronic Measurement Technology, Taiyuan 030051, China
• North University of China, Key Laboratory of Instrumentation Science & Dynamic Measurement, Ministry of Education, Taiyuan 030051, China

autor

Wang K.

• Taiyuan University of Technology, College of Mechanics, Taiyuan 030024, China

Bibliografia

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Uwagi

EN

This work was financially supported by the National Natural Science Foundation of China (Grant No.61004127 and No.11502156).

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).