The process of dirty data processing is the recognition process of load curve pattern containing dirty data. 脏数据处理的过程就是对于含有脏数据的负荷曲线模式的辨识过程。
The typical load curve which is selected for evaluating the overload ability of traction transformer must be reasonable, it should reflect accurately the operation status of traction transformer. 在评价牵引变压器的过负荷能力时,所选择的典型负荷曲线必须合理,使之能够正确反映线路的牵引变压器运行状况。
Its main products include pulling tool, spring tester, measuring tool, image measuring apparatus, load curve measuring tool and paper tape punch, and other instruments. 公司主要销售有拉力计、弹簧测试仪、量具、影像测量仪、荷重曲线仪及纸带机等仪器设备。
The effect of forming steps, load curve, friction and lubrication, technical hole of the part on distribution of blank thickness was analyzed. 着重分析成形步骤、载荷曲线、摩擦与润滑、零件的工艺孔等对成形中毛坯厚度分布的影响。
By means of applying load curve decomposition and dynamic programming in stochastic production simulation, the probabilistic simulation algorithm of pumped storage power station and system operational optimization is proposed. 在随机生产模拟中运用负荷曲线分解技术和动态规划方法,提出了抽水蓄能电站及其系统运行优化的概率模拟算法。
Input data are related to both smoothness and regularity of load curve. 输入既有与负荷曲线平滑性有关的数据又有反映负荷周期性变化的数据。
Design the load curve by Simulating the working course of the reductor, made a dynamic analysis with the Full method. Attained the stress course responding time 、 the stress field, compared the result with the static analysis result and analysed the responding curve. 模拟减速器工作过程绘制加载图,运用全瞬态动力学分析法对箱体进行了动态分析,获得应力时间响应曲线、应力场,与静态分析结果进行比较,并分析了时间响应曲线。
This article detailedly expatiated on to observe and take control construction stability of soft groundsill embankment dam combined with project example from designing load curve, distortion observed on locale, analyzing data and checking computations of stability. 本文结合工程实例对软基堤坝施工的稳定性监控问题分别从设计加载曲线、现场变形监测、数据分析应用和最终稳定性验算等方面进行了较详细的阐述。
It can record load parameter, load curve and fault state automatically. 能自动打印记录昼夜负荷参数、负荷曲线,以及显示、打印事故分析的结论。
A new method to forecast daily load curve based on rough set theory and dynamic time series model 基于粗糙集理论和动态时序模型的日负荷曲线预测新方法
By the research of short-term load curve we can know the character of short-term load curve: periodic regularity and wave propagation character. 根据对电力负荷曲线的分析研究得知:短期负荷曲线具有周期规律性和波动性。
In order to enhance the training speed and the precision of neural networks, the daily load curve is divided and proper input and output variables are chose in each model. 为了提高神经网络的训练速度和精度,对每种不同的神经网络模型,将日负荷模型分段,选择出与预测日负荷相关的输入变量,比较得出最佳的输出变量。
It gives a thorough study on three kinds of load curve forecasting models in this thesis. 本文集中对年最大负荷曲线、年电量分布曲线和典型日负荷曲线的预测模型进行深入的探讨。
A method to use the grey prediction model and geometric regression model to predict the daily load curve of power systems during the great holiday is proposed. A relevant software is presented. 本文提出了运用灰色预测模型和几何回归模型预测重大节日期间电网日负荷曲线的方法,并编制了相应软件。
According to the features of the dynamic weighing signal, the multi-sections fit method using genetic algorithm is presented to improve the precision of the dynamic load curve fitting. 同时,针对实际动态称重信号的信号特征,提出了基于遗传算法的动态载荷分段拟合方法,进一步提高了拟合的精确程度。
The study on long term daily load curve forecasting 中长期日负荷曲线预测的研究
This paper analyses the characteristic of load curve in certain area and introduces a new model to forecast the load value of every hour in the next day. 在分析了某地区日平均负荷曲线的年周期性、周周期性、日周期性的基础上提出了每日24个整点负荷值的分段预测模型。
The establishing basis and calculation method of static load curve for the turntable bearings have been discussed, the condition determined permissible static load contact stress is defined, and the establishing method and step of static load curve are introduced. 论述转盘轴承静载荷承载曲线创建的依据和计算方法,定义了静载荷接触应力许用水平的条件,陈述承载曲线的创建方法与步骤。
So the method of making the typical load curve of traction transformer is great significant. 因此,通过研究牵引负荷得到建立牵引变压器典型负荷曲线的方法具有重要的意义。
Part of implementary result shows that load management can shape the load curve of power system to reach the expected aim and supply revised parameters for load forecast. 南京市实施的部分结果表明,负荷管理可以改变电力系统负荷曲线的形状,从而达到期望的目标,同时还可以为电力负荷的预测提供修正的参数。
Analysis of load curve variation and peak-valley price in Hunan power grid 湖南电网负荷特性变化和峰谷电价分析
Combining it with the standard daily load curve can make the mean daily forecasting error with in 2%. 将其与标准日负荷曲线取平均作为预测结果,示例表明日平均误差小于2%。
Taking into account the load annual increase and the weather information, which influence the load profile of holidays more, a hybrid method of similar days to obtain scaled load curve and fuzzy inference method to forecast the holiday load level is adopted. 通过对节假日负荷特性的分析,考虑到节假日负荷影响主要受负荷自然增长及天气等因素的影响较大,文中采用相似日方法和模糊推理分别预测负荷曲线模式和负荷水平。
A Simple Method of Typical Day Load Curve Forecasting 典型日负荷曲线预测的一种简单方法
Analysis of the Wuhan regional electricity load curve and the annual PV electricity load curve corresponding relationship. 分析了武汉地区的电力负荷曲线与年PV发电负荷曲线的对应关系。
Studied mechanical properties of all specimens and slenderness ratios between the relationship, and through the analysis of the specimen longitudinal displacement load curve clear the specimen longitudinal stiffness and the relationship between slenderness ratios. 研究了各试件力学性能与长细比之间的关系,同时通过分析试件的荷载-纵向位移曲线明确了试件纵向刚度和长细比之间的关系。
The thermal power plant operate the new daily load curve. 这条新的日负荷曲线便是火电机组需要运行的曲线。
Load curve characteristic coefficient, the actual running voltage are the same under the premise of this hypothesis, and actual condition is not so, give line loss the theoretical calculation brought greater error. 负荷曲线特征系数、实际运行电压均相同这一假设的前提下,而实际情况并非如此,给线损的理论计算带来了较大误差。
Self-balanced test parameters and how displacement load curve to the traditional static load piling conversion problem is the key work, the experiment method to basically have experience conversion method and precise conversion method. 自平衡法试验参数以及位移-荷载曲线如何向传统静载压桩转换的问题也是试验的关键工作,其方法主要有经验转换法和精确转换法。
Electric power management system can reduce the load peak, change load curve and improve power grids work. 电力负荷管理可以降低负荷的峰谷差、改变负荷曲线、改善电网运行状况,使有限的电力资源充分发挥效益,减小由于电力供需矛盾造成的损失,符合电力系统发展需要。