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Project of a Load Cell for a Dynamometer Ulbra
- Format:
- Conference/Event
- Author/Creator:
- da Luz, da Luz, author.
- Conference Name:
- SAE Brasil 2010 Congress and Exhibit (2010-10-05 : Sao Paulo, Brazil)
- Language:
- English
- Physical Description:
- 1 online resource
- Place of Publication:
- Warrendale, PA SAE International 2010
- Summary:
- The Laboratory of Automotive Prototypes of ULBRA has developedresearches to construct small automotive cars of high efficiency.The principal aim is to develop and apply new technologies thatallow increasing the efficiency of electric and gas engine cars.Those cars received the denomination of Camels. This work presentsthe results of the study and development of a dynamometer employedin the measurement of torque produced by a small brushless DCmotor. That motor was applied to drive a small electric cardesigned and constructed at ULBRA. Due to difficulties in finding aload cell to measure loads smaller than 20 N, a ring-type load cellwas constructed to measure static force in uniaxial direction,range from 0 to 20 N. The load cell had strain gages connected to adata acquisition system. The acquisition system was connected to PCvia USB. The measurement system consisted of an analog digitalconverter (A/D), model MyPCLab, produced by NOVUS. The PC computerwas employed to process and to storage the data produced during themeasurements.The calibration of the measurement system was made by comparingthe force generated by standard weights. The ratio betweengenerated data and trend line was R2 = 0.998. That proved thequality of the load cell. The uncertainty was 0.012 N. The loadcell constructed in this study had sensitivity, repeatability, anduncertainty suited to be used in the range of work specified in thedesign (0 to 20 N)
- Notes:
- Vendor supplied data
- Publisher Number:
- 2010-36-0285
- Access Restriction:
- Restricted for use by site license
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