FPGA (Field Programmable Gate Array) and DSP (Digital Signal Processor) based system and method for rapidly measuring embedded pulp fiber morphological parameters

Abstract

The invention relates to a small-sized, rapid and accurate FPGA (Field Programmable Gate Array) and DSP (Digital Signal Processor) based system and a method for rapidly measuring embedded pulp fiber morphological parameters. The system comprises a CCD (Charge Coupled Device) camera which is connected with an ADC (Analog-to-Digital Conversion) chip; the ADC chip is connected with an SDRAM (Synchronous Dynamic Random Access Memory) module in an FPGA module; the SDRAM module is connected with a fiber image preprocessing module; the FPGA module is also provided with an DSP data reading control module and an ADC sequential control module, wherein the ADC sequential control module is connected with the ADC chip, the DSP data reading control module is communicated with a DSP module, and the DSP module also communicates with the SDRAM module, an LCD (Liquid Crystal Display) and a fiber image and morphological parameter storage FLASH module. The system and the method can be used for accurately measuring multiple morphological parameters of pulp fiber in real time and has the characteristics of high automation degree, low cost, small size and the like.

Description

technical field [0001] The invention relates to an embedded pulp fiber morphological parameter rapid measurement system and method based on FPGA+DSP, which can realize real-time and accurate measurement of pulp fiber morphological parameters (length, width, curl index, kink index, fine fiber components, etc.), and can Widely used in papermaking fiber raw material quality analysis and evaluation. Background technique [0002] Pulp fiber morphological characteristics are important indicators for evaluating the quality of papermaking plant fiber raw materials and pulp. They not only affect the quality of pulp, but also relate to the quality of finished paper. Accurate and rapid measurement of pulp fiber morphological parameters can detect and control the quality of each process in the pulping and papermaking process, improve the grade of paper, and achieve the purpose of scientifically utilizing raw materials and optimizing products. The traditional measurement methods of pulp...

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the disadvantages of small measurement range, few measurement parameters, slow speed, low precision, high equipment cost and large volume in the existing pulp fiber morphological parameter measurement, and propose a miniaturized, fast and accurate Embedded rapid measurement system and method of pulp fiber morphological parameters based on FPGA+DSP

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