UVC disinfection robot
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ENVIRONMENTAL FACTORS AND THE EPIDEMICS OF COVID-19
UVC disinfection robot Moez Guettari 1 & Ines Gharbi 2 & Samir Hamza 3 Received: 4 June 2020 / Accepted: 7 October 2020 # Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract The aim of the present work is to contribute in the fight against the spread of Covid-19, a novel human coronavirus, in hospitals, public transport, airlines, and any enclosed areas. In this study, we have adopted the physical disinfection method by using UVC light as agent. The UVC devices are studied and classified according their disinfectant units, complementary devices, combined disinfection agents, mobilities, and order types. Our finding shows that a mobile robot is the most efficient device to inactivate microorganisms, so we have developed a robot called i-Robot UVC. The robot is equipped with eight UVC lamps around a central column and two lamps on the top. The column is fixed on a mobile base where several sensors are integrated to measure temperature and humidity on the one hand, and on the other, to detect motion plus position and to avoid obstacles. The robot can estimate automatically the disinfection time while monitored by Wi-Fi connection from a phone or a tablet. I-Robot UVC disinfects rooms and equipment with ultraviolet light, and shuts down when humans are around to keep them safe. The robot can kill 99,999% bacteria and various through UVC lamps led. The innovative robot UVC was patented under the number TN2020/0063. Keywords Covid-19 . Disinfection . Hospitals . UVC . Robot
Introduction The SARS-CoV-2 responsible for the disease known as Covid19 is a virus that is mostly transmitted through aerosols. The pandemic has recently emerged from China with a total of 83.021 confirmed cases of pneumonia around the world (as of June 2, 2020) (www.worldometers.info/coronavirus/). To reduce the pandemic spread of the virus, five measures have been adopted: (1) massive testing, (2) quarantine, (3) disinfection, (4) social distancing, and (5) sanitary measures. The disinfection
Responsible Editor: Lotfi Aleya * Moez Guettari [email protected] 1
Preparatory Institute for Engineering Studies of Tunis, LR19RS003Materials and Fluids Laboratory, University of Tunis, 1089 Tunis, Tunisia
2
Faculté des Sciences de Tunis, LR99ES16- Physique de la Matière Molle et de la Modélisation Electromagnétique, Université de Tunis El Manar, 2092 Tunis, Tunisia
3
Nanobiotechnology Laboratory (UR17ES22), National Institute of Applied Sciences and Technology, North Urban Center, Carthage University, 1080 Tunis, Tunisia
techniques are of chemical and/or physical type (Otto et al. 2011). The effectiveness of a disinfection plan depends on the environmental factors such as temperature, relative humidity, organic load, pH, surface topography, water hardness, or the presence of other chemicals compounds (Otto et al. 2011; Mojarad et al. 2017; Darnella et al. 2004). In fact, the agents used in a chemical disinfection procedure are classified according their nature: (1) acids: acetic a
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