Measurement of Food Process Variables with Microcomputer

마이크로컴퓨터를 이용한 식품공정의 변수계측

  • Kang, Jun-Soo (Department of Food Industry, Dongeui Technical Junior College) ;
  • Suh, Myung-Gyo (Department of Food Industry, Dongeui Technical Junior College) ;
  • Chung, Shin-Kyo (Department of Food Science. and Technology., Kyungpook National University) ;
  • Choi, Jong-Uck (Department of Food Science. and Technology., Kyungpook National University)
  • 강준수 (동의공업전문대학 식품공업과) ;
  • 서명교 (동의공업전문대학 식품공업과) ;
  • 정신교 (경북대학교 식품공학과) ;
  • 최종욱 (경북대학교 식품공학과)
  • Published : 1992.12.01

Abstract

To measure of important variables such as temperature, weight, and relative humidity in food processing process, computer-aided data acquisition system was composed of 16 bit microcomputer and PCL-711S interface board. Process variables in dehydration and storage of food were measured through sensors, converters, and computer system which were operated by the PC-LabDAS software for data acquisition, process control, and data analysis. The relationship between measured values of process variables and the output voltages of ADC showed more than 0.99 in $r^2$ value. Response time of sensors was enough fast to measure minute values changed in a moment.