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http://dx.doi.org/10.7471/ikeee.2019.23.1.159

Temperature Measurement System for Refrigerated Vehicle  

Lim, Yong-Jin (Dept. of Electronic Engineering, Hanyang University)
Kim, Jung-Hwan (Dept. of Electronic Engineering, Hanyang University)
Lim, Joon-hong (Dept. of Electronic Engineering, Hanyang University)
Publication Information
Journal of IKEEE / v.23, no.1, 2019 , pp. 159-163 More about this Journal
Abstract
The food service industry has been grown due to improvement of living standards. In addition, the demand for frozen food delivery is increasing day by day at online/offline and the refrigerated vehicles are used in most of these food distributions. One of the most important factors in a refrigerated car is to measure the temperature accurately. Conventional temperature recording systems are generally connected directly to temperature sensor modules. Since the temperature data are transmitted to the temperature recorder by using the electric wire, there is a disadvantage that the resistance error must be compensated according to the cable length. In this paper, we propose a method to correct errors due to cable resistance using digital processing and CAN (Controller Area Network) communication. We use PT-1000 platinum sensor to increase the accuracy of the temperature measurement.
Keywords
temperature measurement; refrigerated vehicle; PT-1000 sensor; CAN; Cold chain system;
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