New Customized Bi-Directional Real-Time Pricing Mechanism for Demand Response in Predictive Home Energy Management System
- Authors
- Kim, Hyung Joon; Kim, Mun Kyeom
- Issue Date
- Jul-2024
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Deep learning; demand response; Electricity; energy man-agement system; Forecasting; Home appliances; Internet of Things; Predictive models; price forecasting; Pricing; real-time pricing; Real-time systems; rolling horizon
- Citation
- IEEE Internet of Things Journal, v.11, no.14, pp 24497 - 24510
- Pages
- 14
- Journal Title
- IEEE Internet of Things Journal
- Volume
- 11
- Number
- 14
- Start Page
- 24497
- End Page
- 24510
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/74867
- DOI
- 10.1109/JIOT.2024.3381606
- ISSN
- 2327-4662
- Abstract
- The advancement of Internet of Things technologies enables precise control over home appliances, leading to a grow-ing demand for demand response (DR) in residential areas. The electricity price mechanism has been an important means to implement residential DR, dynamically adjusting power demand to alleviate power mismatch in response to time-varying prices. However, despite various studies on pricing mechanisms, the unidirectional nature of these electricity pricing mechanisms greatly diminishes the willingness of end consumers to actively engage in housing DR as their electricity consumption behavior is not effectively reflected into their electricity pricing. To overcome these challenges, this study proposes a predictive home energy management system (PHEMS) by developing a new customized bi-directional real-time pricing (RTP) mechanism-based DR strategy by developing with an efficient price forecasting model. The pro-posed PHEMS first develops a new customized bi-directional RTP mechanism that enables the participation of end-users in formulating hourly RTPs based on their hourly shifted power and household flexible appliance for strong DR participation. Second, a new deep learning-based forecasting model namely, unshared convolutional neural network-nested long short-term memory, is employed to address both the spatial-temporal variabilities of the real-time price and support global real-time optimization. A rolling-horizon-based optimization strategy is then constructed to enable self-correction, ensuring robust and economic operation for residential end-users. The experimental results demonstrate the superiority of the proposed PHEMS in terms of the forecasting accuracy, peak reduction, valley filling, and electricity cost reduction, while ensuring user comfort. IEEE
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