scholarly journals The Sleep Quality of Real-Time Monitoring System Based on Fiber-Bragg-Grating

2014 ◽  
Vol 02 (02) ◽  
pp. 11-18
Author(s):  
亚松 沈
Keyword(s):  
Sleep Quality ◽  
Fiber Bragg Grating ◽  
Real Time ◽  
Monitoring System ◽  
Bragg Grating ◽  
Real Time Monitoring

scholarly journals Real-Time Monitoring System for Shelf Life Estimation of Fruit and Vegetables

Sensors ◽  
2020 ◽  
Vol 20 (7) ◽  
pp. 1860 ◽  
Author(s):  
Roque Torres-Sánchez ◽  
María Teresa Martínez-Zafra ◽  
Noelia Castillejo ◽  
Antonio Guillamón-Frutos ◽  
Francisco Artés-Hernández
Keyword(s):  
Environmental Factors ◽  
Shelf Life ◽  
Real Time ◽  
Monitoring System ◽  
Rating Scales ◽  
Storage Temperature ◽  
Postharvest Quality ◽  
Real Time Monitoring ◽  
Perishable Product

The control of the main environmental factors that influence the quality of perishable products is one of the main challenges of the food industry. Temperature is the main factor affecting quality, but other factors like relative humidity and gas concentrations (mainly C2H4, O2 and CO2) also play an important role in maintaining the postharvest quality of horticultural products. For this reason, monitoring such environmental factors is a key procedure to assure quality throughout shelf life and evaluate losses. Therefore, in order to estimate the quality losses that a perishable product can suffer during storage and transportation, a real-time monitoring system has been developed. This system can be used in all post-harvest steps thanks to its Wi-Fi wireless communication architecture. Several laboratory trials were conducted, using lettuce as a model, to determine quality-rating scales during shelf life under different storage temperature conditions. As a result, a multiple non-linear regression (MNLR) model is proposed relating the temperature and the maximum shelf life. This proposed model would allow to predict the days the commodities will reduce their theoretical shelf-life when an improper temperature during storage or in-transit occurs. The system, developed as a sensor-based tool, has been tested during several land transportation trips around Europe.

An investigation of real-time high-speed multichannel fiber Bragg grating monitoring system

2010 ◽  
Author(s):  
Tiegen Liu ◽  
Tielong Xu ◽  
Lei Li ◽  
Junfeng Jiang ◽  
Kun Liu ◽  
...  
Keyword(s):  
Fiber Bragg Grating ◽  
Real Time ◽  
Monitoring System ◽  
High Speed ◽  
Bragg Grating
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