36 citations · 67 across the 19 of their papers we have counts for
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math.OC2017★ 6 cited
Modeling A Micro-Nexus of Water and Energy for Smart Villages/Cities/Buildings
Qifeng Li, Suhyoun Yu, Ameena Al-Sumaiti +1
This paper introduces a micro-nexus of water and energy which can be considered as one of the physical infrastructures of the future building/city/village systems. For the electric…
math.OC2017
A Stability-constrained Optimization Framework for Lur'e Systems with Applications in Power Grids
Qifeng Li, Qiushi Wang, Konstantin Turitsyn
For many nonlinear control systems, the chosen equilibrium determines both the steady-state efficiency and the dynamic performance. This paper addresses the issue of obtaining an o…
math.OC2017
Convex Hull of the Quadratic Branch AC Power Flow Equations and Its Application in Radial Distribution Networks
Qifeng Li, Vijay Vittal
A branch flow model (BFM) is used to formulate the AC power flow in general networks. For each branch/line, the BFM contains a nonconvex quadratic equality. A mathematical formulat…