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Remote Monitoring System for Rescue Operations with Wireless Sensor Network
Shigeyuki Tateno,Yuji Okamoto 제어로봇시스템학회 2014 제어로봇시스템학회 국제학술대회 논문집 Vol.2014 No.10
When accidents or large fires occur, rapid and appropriate rescue operations should be taken in the scene. It is very important for such operation that rescue team members constantly communicate with each other in the site. Moreover the base station located near the site should be aware of the team members’ positions and situations to direct them effectively. A remote monitoring system with ZigBee devices as a wireless communication method is developed for the rescue operations in disaster areas or special places outside the scope of mobile phones. The system can trace members’ actions and situations by using IMU and GPS, and help every member to communicate. It can also enhance the security and work efficiency of rescue teams’ performances at the scene.
Development of Corrosion Rates Estimation method for CUI using Information Gain Ratio
Shigeyuki Tateno,Motoki Ichiyama,Kentaro Yahiro,Hisayoshi Matsuyama,Eiji O"Shima 제어로봇시스템학회 2012 제어로봇시스템학회 국제학술대회 논문집 Vol.2012 No.10
Almost all chemical and petrochemical plants in Japan have been operated for 30 years or more. Leakage accidents in piping often occur in such a kind of plants because of CUI (Corrosion Under Insulation) progress. In the worst case, inner fluid leakage might affect human bodies or the environment. Proper predictive maintenance work based of corrosion rate estimation should be performed to prevent the accidents. In the previous research, corrosion rates have been estimated based on databases constructed by cases of past corrosion. However, the method of previous research has some problems, such as the estimation accuracy is insufficient. In this research, a selection support system which can estimate corrosion rates with high accuracy using information gain ratio and reliability is developed.
Sunghye Moon,Shigeyuki Tateno,Hisayoshi Matsuyama 제어로봇시스템학회 2010 제어로봇시스템학회 국제학술대회 논문집 Vol.2010 No.10
Corrosion is degradation of materials’ properties due to interactions with the environments, and corrosion of most metal materials is inevitable. Corrosion damage can lead to fatal environmental consequences like toxic substance leakage, as well as huge maintenance and repairing costs during the suspension of process equipment in chemical and petroleum industries. There are many pipes whose outside surfaces are considerably corroded because many chemical and petrochemical plants in Japan have been used for 30 years or more. Corrosions on the outside surface of pipes progress slowly, and corrosion under insulation (CUI) is extremely difficult to detect and quantify. The proper points of pipe inspection are hard to find. Moreover, the insulation stripping work requires a large amount of time and cost. Besides, the successful managerial methods have not been established. The purpose of this research is to estimate CUI potential and corrosion rates by using case database and Group numbering of the continuous conditions.
Remote Monitoring System with Wireless Network to Support Rescue Operations
Yuji Okamoto,Shigeyuki Tateno,Lee Jaeyeon 제어로봇시스템학회 2013 제어로봇시스템학회 국제학술대회 논문집 Vol.2013 No.10
Rapid and appropriate rescue operations should be taken in the scene when accidents or fires occur. It is very important for such operation that rescue team members constantly communicate with each other in the site, and the base station located near the site should be aware of the team members’ positions and situations to direct them effectively. A remote monitoring system with ZigBee devices as a wireless communication method is developed for the rescue operations in disaster areas or special places outside the scope of mobile phones. The system can keep track of members’ situations and help every member to communicate, and also can enhance the security and work efficiency of rescue teams’ performances at the scene.
Development of driving support system for electric vehicle by using image processing technology
Yuxiang Sun,Nan Wu,Shigeyuki Tateno,Harutoshi Ogai 제어로봇시스템학회 2012 제어로봇시스템학회 국제학술대회 논문집 Vol.2012 No.10
Aiming to realize the safe driving for the elderly people and novice drivers, intelligent vehicle technologies are becoming an important research topic in recent years. While driving, sometimes they cannot handle the car in an emergency due to the poor concentration and reaction. In fact, there are a lot of car accidents caused by such people who occasionally step on the accelerator instead of the brake unexpectedly when intending to have an emergency stopping. This paper describes a recognition method for recognizing driving situation. For supporting driving by traffic situation recognition, real-time detection and robustness are increasingly required. In indoor experiments, the RoboCar was used to verify the recognition methods. The algorithm which determines the routes are able to run safety by the CCD camera was used to recognize the white line on both sides of the road. And the image matching algorithm was used to recognize the traffic signs on the routes. The experimental result with high accuracy was successfully obtained.
Estimation of Corrosion Rates on Outside Surface of Pipes
Satoshi Kibata,Hisayoshi Matsuyama,Shigeyuki Tateno 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
Corrosions of pipes had been disregarded as a subject of maintenance because corrosions in chemical plants progress slowly. However, many chemical plants were built over 30 years ago in Japan. There are many pipes whose outside surfaces is considerably corroded. Accidents which relate to corrosions may occur and lead to serious problems and vast losses. For this reason, the maintenance is greatly needed. Although, each company takes measures to cope with corrosions, successful managerial methods are not established. The purpose of this research is to know corrosion wastages from outside surface of pipes by estimating a corrosion rate in order to select pipes to be checked. To achieve the purpose, corrosion rates based on corrosion cases are estimated by using the database modeling method.
Comparison of Wireless Communication Technologies in Remote Monitoring Systems
Tong Li,Hiroki Abe,Shigeyuki Tateno,Yuriko Hachiya 제어로봇시스템학회 2018 제어로봇시스템학회 국제학술대회 논문집 Vol.2018 No.10
Nowadays, remote monitoring systems based on wireless communication technologies, are used in elderly care facilities and child day-care centers. In these systems, a ZigBee network with advantages of low energy consumption, flexibility and large network capacity has been used. Previous researchers proposed a system with XBee modules that are made by Digi international Inc. and widely used in the ZigBee network. Moreover, the XBee module can support not only the original ZigBee network but also a special DigiMesh network. These two networks have different performance in network construction and data transmission. Therefore, it should be compared to ensure the system stability that which network is better in network construction speed and packet loss rate. In this paper, several experiments under different environment have been designed to evaluate the performance of the remote monitoring system on the ZigBee network and the DigiMesh network.