High-speed weighing system based on DSP

Javier Calpe,Emilio Soria,Maria Angeles Martinez,Valerie Frances,A Rosado,Luis Gomezchova,Joan Vila

IECON 02 [Industrial Electronics Society, IEEE 2002 28th Annual Conference of the]（2002）

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摘要

This paper describes a new weighting sub-system for fruit sorting and grading machinery. Based on a fixed point DSP, it controls up to 10 lines at 20 fruit/second with an accuracy of ±1 gram. The system applies an adaptive filtering and a posterior deconvolution of the behaviour of the load sensor using an ARMA model. A final estimation procedure to obtain weight in grams is also described. The best results have been obtained with an ALMS algorithm for the adaptive filter.

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关键词

adaptive filters,balances,digital signal processing chips,least mean squares methods,10-channel weight acquisition hardware,arma model,maxsorter,adaptive filtering,averaged least mean square algorithm,estimation procedure,fixed-point dsp,fruit grading machinery,fruit sorting machinery,high-speed weighing system,load sensor,posterior deconvolution,weighting sub-system,fixed point,adaptive filter

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