A smart and distributed measurement system to acquire and analyze mechanical motion parameters

Pereira, José Miguel Costa Dias; Viegas, Vítor; Postolache, Octavian; Girão, Pedro Silva

http://hdl.handle.net/10400.26/20956

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Authors

Pereira, José Miguel Costa Dias

Viegas, Vítor

Postolache, Octavian

Girão, Pedro Silva

Abstract(s)

This paper presents a low-cost and smart measurement system to acquire and analyze mechanical motion parameters. The measurement system integrates several measuring nodes that include one or more triaxial accelerometers, a temperature sensor, a data acquisition unit and a wireless communication unit. Particular attention was dedicated to measurement system accuracy and compensation of measurement errors caused by power supply voltage variations, by temperature variations and by accelerometers’ misalignments. Mathematical relationships for error compensation were derived and software routines for measurement system configuration, data acquisition, data processing, and self-testing purposes were developed. The paper includes several simulation and experimental results obtained from an assembled prototype based on a crank-piston mechanism.

Keywords

measurement system kinematic variables measurements accelerometers error compensation accuracy

URI

http://hdl.handle.net/10400.26/20956

Citation

Pereira, J.M., Viegas, V., Postolache, O. & Girão, P.S. (2013). A Smart and Distributed Measurement System to Acquire and Analyze Mechanical Motion Parameters. Metrology and Measurement Systems, 20 (3), pp. 465-478.