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Dynamic Programming Example Analysis of a Pump Station

Dynamic Programming Example Analysis of a Pump Station

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2010 International Colloquium on Computing,Communication, Control, and Management (CCCM2010)

作者： Kairong Li, Information Engineering School, Yangzhou University,Yangzhou,China Kui Zuo,Juanni Wang,Weiying Gao, Information Engineering School, Yangzhou University,Yangzhou,China

For a pump station supplying water,this paper is analyzing the real situation of the station considering all the real existing factors related to set a mathematic model,in the goal of reducing the cost thru adjusting the water flow in different time *** dynamic programming model method with detailed analyses is induced illustrated by an example of optimizing the cost of a single unit in a single day with a fixed water-supply amount in the *** interesting,a special case of this model is illustrated to proof that non-stop pump working is more power saving than intermittent working given the unchangeable electricity price.

关键词： pump station electricity price time sections mathematic model dynamic programming single unit

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Neural coding of nociceptive stimulus intensity in the rat medial and lateral pain pathways

Neural coding of nociceptive stimulus intensity in the rat m...

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中国神经科学学会第九届全国学术会议暨第五次会员代表大会

作者： Ning WANG~1,Yang ZHANG~2,Jin-Yan WANG~1,Fei LUO~(1,*) 1 Key Laboratory of Mental Health,Institute of Psychology,Chinese Academy of Sciences,Beijing 100101,China 2 Neuroscience Research Institute and Department of Neurobiology,Peking University Health Science,Beijing,China

＜正＞Objective The ability to encode the intensity of a painful stimulus is an essential component of the neural processes involved in pain *** is well accepted that stimulus intensity is encoded by sensory pathways. However,the role of the affective pathway in the processing of noxious stimulus intensity is *** this study, we hypothesized that neurons in the medial pathway may also play a role in noxious stimulus intensity coding, and that spike counts may best convey information related to stimulus *** Multichannel singleunit recordings were used to investigate the activity of individual neurons and neuronal ensembles in the rat brain following application of painful laser stimuli to the *** brain regions were monitored,including two that are associated with the lateral sensory pain pathway,namely the ventral posterior lateral thalamic nucleus（VPL）and the primary somatosensory cortex（SI）,and two that are associated with the medial pathway involved in affective aspects of pain perception,namely the medial dorsal（MD）thalamic nuclei and the anterior cingulate cortex（ACC）.Neuron number coding,firing rate coding,and spike count coding were examined in this *** Our results show that neurons in the affective pathway can encode noxious stimulus intensity,and this capability appears to be comparable to that in the sensory *** also found that optimal intensity discrimination depends on the collective contributions of both pain *** This study draws attention to the role of the affective pain pathway in the processing of noxious ***,we provide evidence that spike count coding may be the most reliable method for examining sensory processing in the brain.

关键词： laser stimulation intensity pain single unit spike count

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