Nasogastric tube dislodgment detection in rehabilitation patients based on fog computing with warning sensors and fuzzy petri net

1Division of Infectious Diseases, Department of Medicine of Chi Mei Medical Center, Tainan City 710, Taiwan 2Department of Biochemistry, Medical College of National Cheng Kung University, Tainan City 70101, Taiwan 3KSVGH Originals & Enterprises and Department of Engineering and Maintenance, Kaohsiung Veterans General Hospital, Kaohsiung City 81362, Taiwan 4Department of Electrical Engineering, National Chin-Yi University of Technology, Taichung City 41170, Taiwan 5Department of Electrical Engineering, Kao-Yuan University, Kaohsiung City 82151, Taiwan