2017 |
Desmouceaux, Yoann; Toubaline, Sonia; Clausen, Thomas Flow-Aware Workload Migration in Data Centers Journal Article Forthcoming Forthcoming. @article{Desmouceaux2017a, title = {Flow-Aware Workload Migration in Data Centers}, author = {Yoann Desmouceaux and Sonia Toubaline and Thomas Clausen}, year = {2017}, date = {2017-08-01}, keywords = {}, pubstate = {forthcoming}, tppubtype = {article} } |
2015 |
Toubaline, Sonia; Poirion, Pierre-Louis; D’Ambrosio, Claudia; Liberti, Leo Observing the State of a Smart Grid Using Bilevel Programming Conference In Proceeding of the 9th Annual International Conference on Combinatorial Optimization and Applications (COCOA'15),, LNCS 9486, 364-376, 2015. @conference{Toubaline2015, title = {Observing the State of a Smart Grid Using Bilevel Programming}, author = {Sonia Toubaline and Pierre-Louis Poirion and Claudia D’Ambrosio and Leo Liberti}, url = {https://epizeuxis.net/site/wp-content/uploads/2016/01/cocoa15a.pdf}, year = {2015}, date = {2015-12-18}, booktitle = {In Proceeding of the 9th Annual International Conference on Combinatorial Optimization and Applications (COCOA'15),}, publisher = {LNCS 9486, 364-376}, abstract = {Monitoring an electrical network is an important and chal- lenging task. Phasor measurement units are measurement devices that can be used for a state estimation of this network. In this paper we consider a PMU placement problem without conventional measurements and with zero injection nodes for a full observability of the network. We propose two new approaches to model this problem, which take into ac- count a propagation rule based on Ohm’s and Kirchoff’s law. The natural binary linear programming description models an iterative observability process. We remove the iteration by reformulating its fixed point con- ditions to a bilevel program, which we then further reformulate to a single-level mixed-integer linear program. We also present a bilevel al- gorithm to solve directly the proposed bilevel model. We implemented and tested our models and algorithm: the results show that the bilevel algorithm is better in terms of running time and size of instances which can be solved.}, keywords = {}, pubstate = {published}, tppubtype = {conference} } Monitoring an electrical network is an important and chal- lenging task. Phasor measurement units are measurement devices that can be used for a state estimation of this network. In this paper we consider a PMU placement problem without conventional measurements and with zero injection nodes for a full observability of the network. We propose two new approaches to model this problem, which take into ac- count a propagation rule based on Ohm’s and Kirchoff’s law. The natural binary linear programming description models an iterative observability process. We remove the iteration by reformulating its fixed point con- ditions to a bilevel program, which we then further reformulate to a single-level mixed-integer linear program. We also present a bilevel al- gorithm to solve directly the proposed bilevel model. We implemented and tested our models and algorithm: the results show that the bilevel algorithm is better in terms of running time and size of instances which can be solved. |
