39 citations · 66 across the 13 of their papers we have counts for
13 papers
Loop-shaping for Power Tracking Control of Wind Turbines
Aaron Grapentin, Christian A. Hans, Jörg Raisch
In this paper, we present an advanced wind turbine control scheme for power maximization as well as for active power control, which is designed using loop-shap…
Microgrid Operation Control with State-of-Charge- Dependent Storage Power Constraints
E. D. Gomez Anccas, C. A. Hans, D. Schulz
The microgrid concept offers high flexibility and resilience due to the possibility of switching between grid-connected and stand-alone operation. This renders microgrids an auspic…
Robust LQ Optimal Control for Wind Turbine Power Tracking Operation
Aaron Grapentin, Christian A. Hans, Jörg Raisch
In this paper, a robust linear quadratic optimal control approach for accurate active power tracking of wind turbines is presented. For control synthesis, linear matrix inequalitie…
Model predictive control of wakes for wind farm power tracking
Arnold Sterle, Christian A. Hans, Jörg Raisch
In this paper, a model predictive control scheme for wind farms is presented. Our approach considers wake dynamics including their influence on local wind conditions and allows to…
Model Predictive Control of Wind Turbines with Piecewise-Affine Power Coefficient Approximation
Arnold Sterle, Aaron Grapentin, Christian A. Hans +1
In this paper, an offset-free bilinear model predictive control approach for wind turbines is presented. State-of-the-art controllers employ different control loops for pitch angle…
Hierarchical distributed scenario-based model predictive control of interconnected microgrids
T. Alissa Schenck, Christian A. Hans
Microgrids are autonomous clusters of generators, storage units and loads. Special requirements arise in interconnected operation: control schemes that do not require individual mi…
A Predictive Operation Controller for an Electro-Thermal Microgrid Utilizing Variable Flow Temperatures
Max Rose, Christian A. Hans, Johannes Schiffer
We propose an optimal operation control strategy for an electro-thermal microgrid. Compared to existing work, our approach increases flexibility by operating the thermal network wi…
LQ Optimal Control for Power Tracking Operation of Wind Turbines
Aaron Grapentin, Arnold Sterle, Jörg Raisch +1
In this paper, an approach for active power control of individual wind turbines is presented. State-of-the-art controllers typically employ separate control loops for torque and pi…
Saturation-Aware Model Predictive Energy Management for Droop-Controlled Islanded Microgrids
Steffen Hofmann, Ajay Sampathirao, Christian A. Hans +3
In this paper, we propose a minimax model predictive control (MPC)-based energy management system that is robust with respect to uncertainties in renewable infeed and load. The MPC…
Optimal operation of microgrids with risk-constrained state of charge
Jie Lei, Christian A. Hans, Pantelis Sopasakis
In this paper we present a stochastic scenario-based model predictive control (MPC) approach for the operation of islanded microgrids with high share of renewable energy sources. W…
Very Short Term Time-Series Forecasting of Solar Irradiance Without Exogenous Inputs
Christian A. Hans, Elin Klages
This paper compares different forecasting methods and models to predict average values of solar irradiance with a sampling time of 15 min over a prediction horizon of up to 3 h. Th…
Distributed Conditional Cooperation Model Predictive Control of Interconnected Microgrids
A. K. Sampathirao, S. Hofmann, J. Raisch +1
In this paper, we propose a model predictive control based operation strategy that allows for power exchange between interconnected microgrids. Particularly, the approach ensures t…
Risk-Averse Model Predictive Operation Control of Islanded Microgrids
Christian A. Hans, Pantelis Sopasakis, Jörg Raisch +2
In this paper we present a risk-averse model predictive control (MPC) scheme for the operation of islanded microgrids with very high share of renewable energy sources. The proposed…