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Wireless camera nodes deployment by a teleoperated mobile robot for construction of sensor network
Hideo Sato,Kuniaki Kawabata,Tsubota Yugo,Hayato Kaetsu,Tsuyoshi Suzuki 제어로봇시스템학회 2009 제어로봇시스템학회 국제학술대회 논문집 Vol.2009 No.8
The objective of our research is to develop a wireless sensor network construction system by teleoperatedmobile robot. Our proposed system is that mobile robot carries the sensor nodes and deploys them for constructingwireless network in the working environment. For deployment of the sensor nodes, we introduced to estimatemaintainable data transfer speed based on statistic approach. When estimated transfer speed is over required one, the operator can determine to place the sensor nodes and establish wireless sensor network. As the experimental result by prototype system with proposed method, it was confirmed that data transfer speed on constructed network could be maintained over required one.
Information Gathering by wireless camera node with Passive Pendulum Mechanism
Hideo Sato,Kuniaki Kawabata,Tsuyoshi Suzuki,Hayato Kaetsu,Yasushi Hada,Yoshito Tobe 제어로봇시스템학회 2008 제어로봇시스템학회 국제학술대회 논문집 Vol.2008 No.10
After the earthquake, it is very important to recognize the situation of the disaster area as soon as possible. Therefore, the objective of our research is to realize information gathering system applying wireless sensor network technology. This paper describes about development of a novel camera node for gathering the information and also experimental results by using the camera node via wireless multi-hop ad-hoc network. The wireless camera node consists of a small Linux embedded computer, a GPS adaptor, a CMOS camera with fish-eye lens and passive pendulum mechanism for maintain uniform posture of build-in camera passively. Thus, the wireless camera node can be set easily only to roll it up on the rough terrain. The developed node also can deliver gathered environmental information (video) to remote site by multi-hop transferring. It is experimented that the prototype can transfer the captured video information in the wireless ad-hoc network.