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TPC Algorithm for Fault Diagnosis of CAN-Based Multiple Sensor Network System
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 Title & Authors
TPC Algorithm for Fault Diagnosis of CAN-Based Multiple Sensor Network System
Ha, Hwimyeong; Hwang, Yuseop; Jung, Kyungsuk; Kim, Hyunjun; Lee, Bongjin; Lee, Jangmyung;
This paper proposes a new TPC (Transmission Priority Change) algorithm which is used to diagnose failures of a CAN (Controller Area Network) based network system for the oil tank monitoring. The TPC algorithm is aimed to increase the total amount of data transmission and to minimize the latency for an urgent message by changing transmission priority. The urgency of the data transmission has been determined by the conditions of sensors. There are multiple sensors inside of the oil tank, such as temperature, valve, pressure and level sensors. When the sensors operate normally, the sensory data can be collected through the CAN network by the monitoring system. However when there is a dangerous situation or failure situation happened at a sensor, the data need to be handled quickly by the monitoring system, which is implemented by using the TPC algorithm. The effectiveness of the TPC algorithm has been verified by the real experiments. In addition, this paper introduces a method that people can figure out the condition of oil tanks and also can perform the fault diagnosis in real-time by using transmitted packet data. By applying this TPC algorithm to various industries, the convenience and reliability of multiple sensors network system can be improved.
monitoring;CAN (Controller Area Network);multiple sensor network;TPC (Transmission Priority Change) algorithm;
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