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Improving mobile mass monitoring in the IoT environment based on Fog computing using an improved forest optimization algorithm
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作者 Tahere Motedayen Mahdi Yaghoobi Maryam Kheirabadi 《Journal of Control and Decision》 EI 2024年第1期36-49,共14页
In the IoT-based users monitor tasks in the network environment by participating in the data collection process by smart devices.Users monitor their data in the form of fog computing(mobile mass monitoring).Service pr... In the IoT-based users monitor tasks in the network environment by participating in the data collection process by smart devices.Users monitor their data in the form of fog computing(mobile mass monitoring).Service providers are required to pay user rewards without increasing platform costs.One of the NP-Hard methods to maximise the coverage rate and reduce the platform costs(reward)is the Cooperative Based Method for Smart Sensing Tasks(CMST).This article uses chaos theory and fuzzy parameter setting in the forest optimisation algorithm.The proposed method is implemented with MATLAB.The average findings show that the network coverage rate is 31%and the monitoring cost is 11%optimised compared to the CMST scheme and the mapping of the mobile mass monitoring problem to meta-heuristic algorithms.And using the improved forest optimisation algorithm can reduce the costs of the mobile crowd monitoring platform and has a better coverage rate. 展开更多
关键词 Internet of Things mobile mass monitoring forest optimization algorithm chaos theory fuzzy system
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Debris Flow Monitoring System and Observed Event in Taiwan:A Case Study at Aiyuzi River
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作者 HSIAO Taichung LEE Bingjean +2 位作者 CHOU Tienyin LIEN Huipain CHANG Yinghuei 《Wuhan University Journal of Natural Sciences》 CAS 2007年第4期610-618,共9页
Since 2002, the Soil and Water Conservation Bureau, which is responsible for the conservation and administrative management of hillside in Taiwan, has been cooperating with Feng Chia University. Together, they have su... Since 2002, the Soil and Water Conservation Bureau, which is responsible for the conservation and administrative management of hillside in Taiwan, has been cooperating with Feng Chia University. Together, they have successfully carried out the establishment and maintenance of 13 fixed debris flow monitoring stations over the island and 2 mobile debris flow monitoring stations. During July 2004, a powerful southwest air current brought by Mindulle Typhoon caused serious flood in central and southern Taiwan. This paper aims to describe the establishment of debris flow monitoring systems in Taiwan and the observation of the debris flow event during Mindulle Typhoon at Aiyuzi River in Shenmu Village, Nantou County by the monitoring station. 展开更多
关键词 debris flow monitoring station mobile debris flow monitoring station debris flow event Underground sound of debris flows
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