Stable real-time pricing and scheduling for serving opportunistic users with deferrable loads

Dalkilic, Ozgur; Eryılmaz, Atilla; Lin, Xiaojun

doi:10.1109/allerton.2013.6736662

Cited by 9 publications

(3 citation statements)

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“…The design of RTP algorithms is still under active research and an academic consensus has not been achieved. The security analysis and results in this article are based on a simple RTP algorithm (Proposition 4.1), which is similar to the one in Dalkilic et al [2013]. We note that our and Dalkilic's algorithms are different from those adopted in the current wholesale markets, which often solve the clearing prices based on autoregression-based demand predictors.…”

Section: Limitations Discussion and Future Workmentioning

confidence: 94%

“…We note that an RTP algorithm proposed by Dalkilic et al [2013] also tunes the price based on the immediate past generation scheduling error. Compared with other RTP algorithms Samadi et al 2014;Choi et al 1998;Siddiqi and Baughman 1993;Samadi et al 2010;Qian et al 2013;], our and Dalkilic's algorithms require neither an accurate demand model nor the two-way communication capability of consumers.…”

Section: Control-theoretic Price Stabilizationmentioning

confidence: 99%

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Integrity Attacks on Real-Time Pricing in Electric Power Grids

Tan

Krishna

Yau

et al. 2015

ACM Trans. Inf. Syst. Secur.

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Modern information and communication technologies used by electric power grids are subject to cybersecurity threats. This article studies the impact of integrity attacks on real-time pricing (RTP), an emerging feature of advanced power grids that can improve system efficiency. Recent studies have shown that RTP creates a closed loop formed by the mutually dependent real-time price signals and price-taking demand. Such a closed loop can be exploited by an adversary whose objective is to destabilize the pricing system. Specifically, small malicious modifications to the price signals can be iteratively amplified by the closed loop, causing highly volatile prices, fluctuating power demand, and increased system operating cost. This article adopts a control-theoretic approach to deriving the fundamental conditions of RTP stability under basic demand, supply, and RTP models that characterize the essential behaviors of consumers, suppliers, and system operators, as well as two broad classes of integrity attacks, namely, the scaling and delay attacks. We show that, under an approximated linear time-invariant formulation, the RTP system is at risk of being destabilized only if the adversary can compromise the price signals advertised to consumers, by either reducing their values in the scaling attack or providing old prices to over half of all consumers in the delay attack. The results provide useful guidelines for system operators to analyze the impact of various attack parameters on system stability so that they may take adequate measures to secure RTP systems.

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Section: Limitations Discussion and Future Workmentioning

confidence: 94%

Section: Control-theoretic Price Stabilizationmentioning

confidence: 99%

Integrity Attacks on Real-Time Pricing in Electric Power Grids

Tan

Krishna

Yau

et al. 2015

ACM Trans. Inf. Syst. Secur.

View full text Add to dashboard Cite

show abstract

“…Often, papers describe DSM as a reaction on varying prices of electricity [2][3][4][5][6]. A drawback of this approach is, that if the price falls under a certain threshold, many households will activate appliances with complex programs, like washing machines, simultaneously.…”

Section: Introductionmentioning

confidence: 99%

Quality-functions for an uniform and comparable analysis of demand side management algorithms

et al. 2014

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Due to renewable energies, the feed-in to the power grid will fluctuate increasingly. As long as no highly efficient storage technology is found, the importance of demand side management (DSM) will grow. Different algorithms have been proposed for managing the consumers. However, they cannot be easily compared due to a lot of different assumptions while generating the consumption curves and pursuing different goals in each DSMalgorithm. This paper describes a method to transparently generate a data-basis as input for the DSM-algorithms to produce comparable results. A number of quality-functions (Q-functions) are mathematically described and discussed. The Q-Functions allow a consistent evaluation of DSMalgorithms by analysing managed and unmanaged (original) consumption curves.

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Exploring the tradeoff between waiting time and service cost in non-asymptotic operating regimes

Dalkilic

Eryılmaz

2013

2013 Asilomar Conference on Signals, Systems and Computers

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Stable real-time pricing and scheduling for serving opportunistic users with deferrable loads

Cited by 9 publications

References 1 publication

Integrity Attacks on Real-Time Pricing in Electric Power Grids

Integrity Attacks on Real-Time Pricing in Electric Power Grids

Quality-functions for an uniform and comparable analysis of demand side management algorithms

Exploring the tradeoff between waiting time and service cost in non-asymptotic operating regimes

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