Sewage Grid: Drifting Sensors that Monitor the Wastewater Collection System
Univ. of California, Los AngelesDOI: 10.1109/WONS.2008.4459351 Conference: Wireless on Demand Network Systems and Services, 2008. WONS 2008. Fifth Annual Conference on
Source: IEEE Xplore
Over the past decades, the aging infrastructure of wastewater collection system (WCS) has endangered the public health by contaminating the sources of drinking water and by polluting the natural environment. The dangers caused by discharging untreated wastewater have been repeatedly proclaimed by academia, industries, and public sectors. As numerous studies have pointed out, wastewater escaped from the wastewater collection system (WCS) has been a major source of impairment of water quality. In order to identify untreated wastewater escaping from WCS, various schemes have been designed and developed. However, only a small fraction of the WCS is inspected each year due to the cost and complications associated with the current inspection techniques. In an effort to solve this environmental problem, we designed and developed a new methodology for detecting functional deficiencies in WCS. The new methodology, which is utilizing the wireless floating sensors as well as interdisciplinary researches, is not only by far simpler than any current industry methods, but also significantly more efficient. Moreover, this is the first known WCS monitoring methodology utilizing a wireless mobile sensing system.
Conference Paper: A pollution monitoring system with hybrid wireless transmission[Show abstract] [Hide abstract]
ABSTRACT: This paper presents an on-line pollution monitoring system to gather the real time information of the pollutant emission for the railway system which is complicated and extensively distributed. The developed system consists of monitoring nodes, sink nodes, a data center and the communication network. Interface for multiple kinds of detectors is included in the monitoring nodes. Both the separately and intensively deployed monitoring scenarios are considered, utilizing ZigBee and GPRS respectively for short range and long distance transmission. The monitoring data are presented to the Web users by the data center which acts as both a data server and a Web server. Deployment and test of the system has shown its capability and stability to automatically detect, transmit, process and present the information of pollution in the railway system to the users in real time.Industrial Electronics and Applications (ICIEA), 2013 8th IEEE Conference on; 01/2013
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