2019
DOI: 10.1016/j.enconman.2019.111853
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Image phase shift invariance based multi-transform-fusion method for cloud motion displacement calculation using sky images

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Cited by 50 publications
(5 citation statements)
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“…(1) Taking the interval of scanning points t as the variable Taking the average of the 27 sets of calculation results corresponding to a certain t value, and obtaining the relationship between t and n: t and n have a positive correlation, that is, the smaller t is, the smaller n is, but t < 0.05 m will significantly increase the time consumed for scanning and deformation calculation, reducing the applicability of the model, as shown in Figure 6a. (2) Contents of tests When conducting the slope deformation measurement, the parameters that affect the accuracy mainly include the interval of scanning points t, radius of the sphere used for normal estimation R, side length of the prism d, and height of the prism H [51,52]. The commonly used values of these parameters are shown in Table 3.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…(1) Taking the interval of scanning points t as the variable Taking the average of the 27 sets of calculation results corresponding to a certain t value, and obtaining the relationship between t and n: t and n have a positive correlation, that is, the smaller t is, the smaller n is, but t < 0.05 m will significantly increase the time consumed for scanning and deformation calculation, reducing the applicability of the model, as shown in Figure 6a. (2) Contents of tests When conducting the slope deformation measurement, the parameters that affect the accuracy mainly include the interval of scanning points t, radius of the sphere used for normal estimation R, side length of the prism d, and height of the prism H [51,52]. The commonly used values of these parameters are shown in Table 3.…”
Section: Discussionmentioning
confidence: 99%
“…The displacement of the magnet was controlled by a Vernier caliper, as shown in Figure 5. (2) Contents of tests When conducting the slope deformation measurement, the parameters that affect the accuracy mainly include the interval of scanning points t, radius of the sphere used for normal estimation R, side length of the prism d, and height of the prism H [51,52]. The commonly used values of these parameters are shown in Table 3.…”
Section: Model Testsmentioning
confidence: 99%
“…Solar irradiance has a direct impact on DPV output [34]. For the ultra‐short‐term scales, the moving cloud is the main factor that affects the amount of irradiance reaching the ground surface, thus having a significant influence on power volatility [35]. The fixed adjacency between DPVs in a graph structure is obviously unreasonable. The spatiotemporal correlation is asymmetric.…”
Section: Spatiotemporal Correlation Analysismentioning
confidence: 99%
“…However, due to the chaotic nature of the weather system, the production of photovoltaic energy is highly random, volatile and intermittent, which may lead to grid power and voltage imbalances, and also greatly increase the difficulty of large-scale photovoltaic energy applications [6] [7]. In order to improve the power system's ability to consume photovoltaic energy, many solutions have been proposed, including energy storage optimization [8], demand response strategy [9] [10], power flow optimization [11], stand-alone microgrid [12], and PV power forecasting [13]. Considering economy and feasibility comprehensively, photovoltaic power generation forecast is one of the most promising solutions to the impact of large-scale photovoltaic energy application on the grid [14] [15].…”
Section: Introductionmentioning
confidence: 99%