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With the rapid development of e-commerce, warehousing and logistics industry has entered a period of rapid development. New logistics demand is not different from traditional commodity transport, with the features of small batches, variety, high speed and low cost. Flexible warehousing technology based on small mobile handing robots is rising rapidly. The article proposes a flexible warehouse space...
With the development of logistics industry, the logistics automated warehouse is ahead in the race toward the direction of multi-user, multi-variety and flexibility automated warehouse. Traditional AGVs (automatic guided vehicle) are difficult to meet the new demands of logistics warehouse. This paper presents a method to extract the deviation of AGV's navigation path based on threshold segmentation...
Flight risk probabilities during wake encountering were studied. First, two-dimensional extreme flight parameters required for assessing the risk are extracted based on Monte Carlo method. Second, the DPAW (Double Parameters & Adaptive Weights) Copula is proposed for modeling the distributions of two-dimensional extreme parameters. The results of fitting test show DPAW Copula has the highest accuracy...
The anaerobic activated sludge of low temperature and low C/N was acclimated by using SBR reactor for a month, SV kept in 22–24%, the removal rate of effluent COD and NH4+-N were both over 95%. Indicator organisms of the sludge were primarily sessile ciliates. The removal rate of total nitrogen were increased with the increasing of C/N. Perform orthogonal experiment with four factors and three levels...
The temperature of building wall is a critical parameter for building energy consumption analysis. Due to its high accuracy and operation convenience, Infrared Thermal Imager is widely used in monitoring building energy consumption. However, considering the low contrast and large noise of the Infrared Thermal Imager, an effective denoising process is necessary for further analysis of the building...
In many amount of the building energy simulation programs, the veracity is the most important guideline. This paper elaborates the emendation methods based on the PSO algorithm in building energy simulation module on the basis of EnergyPlus, which makes the emulation results close to the true results. The experiment indicates that this measure not only gives the good way in improving the accuracy...
Simulated semi-aerobic landfill equipment and anaerobic landfill equipment were constructed. In-situ trace and contrast experiment based on the 15N isotope technique was developed when the landfills were stably working for 12 months. Each equipment was respectively added with 4 g standard 15NH4Cl tracer, and the leachate samples at the spaces and bottom of the equipments were taken, to detect ??(NH...
A Multi-document Rhetorical Structure (MRS) is proposed for multi-document automatic summarization task. This structure can represent interrelationship between text units at different levels of granularity and can describe simultaneously the happen and change of various events. MRS simplify traditional multi-document representation in cross structure theory and supplement change and distribution information...
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