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Hello there, my name is Mark and I am a postdoc researcher at Lund University. Welcome to my academic webpage! I am a mathematician working in the fields of power systems and systems and control. A short description of my research interests can be found below. There you can also find several selected works and some recent updates from me. Here are links to my bio and CV, my research related coding, and my publications. If you want to reach me, feel free to send an email to the email address above.

News

• September 2023: I am one of the visiting scholars of the ELLIIT Focus Period on Network Systems.

• September 2023: I am delighted to announce that I have joined the Department of Automatic Control at Lund University, where I am hosted by Emma Tegling and Anders Rantzer.

• July 2023: The two papers I submitted to the CDC together with my co-authors have been accepted! For more details, see my list of publications

• Januari 2023: I am very excited to announce that our two-part paper on DC power grids with constant-power loads has appeared in IEEE Transactions on Automatic Control! (Links to Part I and Part II)

Selected works

• M. Jeeninga, C. De Persis and A. van der Schaft, “DC Power Grids With Constant-Power Loads—Part I: A Full Characterization of Power Flow Feasibility, Long-Term Voltage Stability, and Their Correspondence,” in IEEE Transactions on Automatic Control, vol. 68, no. 1, pp. 2-17, Jan. 2023. [Manuscript] [BibTex]

• M. Jeeninga, C. De Persis and A. van der Schaft, “DC Power Grids With Constant-Power Loads—Part II: Nonnegative Power Demands, Conditions for Feasibility, and High-Voltage Solutions,” in IEEE Transactions on Automatic Control, vol. 68, no. 1, pp. 18-30, Jan. 2023. [Manuscript] [BibTex]

• M. Jeeninga, Braess’ paradox for power flow feasibility and parametric uncertainties in DC power grids with constant-power loads, Systems & Control Letters, vol. 161, 2022, 105146. [Manuscript] [BibTex]

Research

I specialize in the existence of equilibria to nonlinear systems, with an emphasis on power grids. Often, before we can apply our toolboxes of control theory, we would like to know if, and under what conditions, there exist equilibria to a nonlinear dynamical system. Although in system theory we like to assume for the sake of analysis that such an equilibrium exists, this is not always the case in practice, and conditions for their existence should be studied. In the case of power grids, we know that the absence of equilibria leads to voltage collapse and blackouts. Unfortunately, over the past decades such scenarios have occurred in real life, and considering our dependence on the electricity, these events often have a significant societal impact. Understanding this and related problems from both a theoretical and practical perspective has been the focus of my research over the past years.