Big Data in Power Systems: An Introduction to Julia Linear Models using Tensor Flow

Ebby Thomas
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引用次数: 0

Abstract

This paper proposes a set of tools to deal with high dimensional data that is often encountered in power systems. The tool set seems promising to network utilities, energy companies, data enthusiasts and others who are involved with the future planning, development, maintenance and operation of the power systems. The tool facilitates modelling and prediction based on Linear Model topology as well as variable screening based on user-discretion. Though the same tool set can be applied in a wide range of applications, here, as an example, the most significant variables that contribute to the energy consumption of a customer is obtained from among a pool of variables. Here, we put use to the immense data available in the power system paradigm, which, at the moment is not utilised to its full potential. The novelty of the paper is in using Julia and TensorFlow framework together in this dimensionality reduction. The training set input to the TensorFlow algorithm is utilised to establish a Linear Model and is later optimised to reduce the error through Gradient Descent optimisation. The final model is used to predict the energy usage, R-Squared values after every iteration is observed to give a flavor of variable screening process.
电力系统中的大数据:Julia介绍使用张量流的线性模型
本文提出了一套处理电力系统中经常遇到的高维数据的工具。该工具集似乎对网络公用事业、能源公司、数据爱好者和其他参与电力系统未来规划、开发、维护和运营的人很有希望。该工具便于基于线性模型拓扑的建模和预测,以及基于用户自由裁量权的变量筛选。尽管相同的工具集可以应用于广泛的应用程序中,但在这里,作为一个例子,影响客户能源消耗的最重要的变量是从变量池中获得的。在这里,我们利用了电力系统范例中可用的大量数据,这些数据目前尚未充分发挥其潜力。本文的新颖之处在于将Julia和TensorFlow框架一起用于降维。将输入TensorFlow算法的训练集用于建立线性模型,然后通过梯度下降优化来减小误差。最后的模型用于预测能源使用,观察每次迭代后的r平方值,以给出变量筛选过程的风味。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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