Martin Horn
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View article: Scheduling Optimization of a Compact End-to-End Pharmaceutical Manufacturing Line: Design and Experimental Evaluation
Scheduling Optimization of a Compact End-to-End Pharmaceutical Manufacturing Line: Design and Experimental Evaluation Open
In today’s competitive landscape, the demand for scheduling optimization to enhance processes and industrial plants is rapidly increasing. To address this need, we introduce a scheduling optimization approach for a compact continuous pharm…
View article: FlowMat: a toolbox for modeling flow reactors using physics-based and machine learning approaches for modular simulation, parameter identification, and reactor optimization
FlowMat: a toolbox for modeling flow reactors using physics-based and machine learning approaches for modular simulation, parameter identification, and reactor optimization Open
This paper introduces FlowMat, a versatile, open-source MATLAB/Simulink toolbox for modeling and optimizing flow reactors. The toolbox supports a modular setup and integrates simulation, parameter identification, and reactor optimization.
View article: Neural tanks-in-series: a physics-guided neural network extension of the tanks-in-series model for enhanced flow reactor and reaction modelling
Neural tanks-in-series: a physics-guided neural network extension of the tanks-in-series model for enhanced flow reactor and reaction modelling Open
This paper introduces the neural tanks-in-series (NTiS) model, an extension of the traditional tanks-in-series (TiS) model using physics-guided neural networks (PGNNs).
View article: Anytime Optimal Trajectory Repairing for Autonomous Vehicles
Anytime Optimal Trajectory Repairing for Autonomous Vehicles Open
Adapting to dynamically changing situations remains a pivotal challenge for automated driving systems, which demand robust and efficient solutions. Occasional perception errors inherent in artificial intelligence further complicate the tas…
View article: Impact of using text classifiers for standardising maintenance data of wind turbines on reliability calculations
Impact of using text classifiers for standardising maintenance data of wind turbines on reliability calculations Open
This study delves into the challenge of efficiently digitalising wind turbine maintenance data, traditionally hindered by non‐standardised formats necessitating manual, expert intervention. Highlighting the discrepancies in past reliabilit…
View article: Safety Metric Aware Trajectory Repairing for Automated Driving
Safety Metric Aware Trajectory Repairing for Automated Driving Open
Recent analyses highlight challenges in autonomous vehicle technologies, particularly failures in decision-making under dynamic or emergency conditions. Traditional automated driving systems recalculate the entire trajectory in a changing …
View article: Modified Implicit Discretization of the Super-Twisting Controller
Modified Implicit Discretization of the Super-Twisting Controller Open
In this paper a novel discrete-time realization of the super-twisting controller is proposed. The closed-loop system is proven to converge to an invariant set around the origin in finite time. Furthermore, the steady-state error is shown t…
View article: Risk Monitoring and Mitigation for Automated Vehicles: A Model Predictive Control Perspective
Risk Monitoring and Mitigation for Automated Vehicles: A Model Predictive Control Perspective Open
Despite recent advances in algorithms and technology, self-driving vehicles are still susceptible to errors that can have severe consequences. As a result, effective risk monitoring and mitigation measures for autonomous driving systems ar…
View article: Dynamic experiments in flow accelerate reaction network definition in a complex hydrogenation using catalytic static mixers
Dynamic experiments in flow accelerate reaction network definition in a complex hydrogenation using catalytic static mixers Open
The combination of transient flow experiments with process analytical technology (PAT) enables the rapid characterization and kinetic modelling of a complex ketone hydrogenation, catalyzed by catalytic static mixers (CSMs).
View article: Robust Tunable Trajectory Repairing for Autonomous Vehicles Using Bernstein Basis Polynomials and Path-Speed Decoupling
Robust Tunable Trajectory Repairing for Autonomous Vehicles Using Bernstein Basis Polynomials and Path-Speed Decoupling Open
Adaptation to changing dynamic situations is yet an open problem for automated driving systems that require robust and efficient solutions. Particularly in the context of motion planning algorithms, this problem is typically addressed by r…
View article: Sliding-Mode-Based Output-Feedback Control of Multivariable Systems via Youla Parameterization
Sliding-Mode-Based Output-Feedback Control of Multivariable Systems via Youla Parameterization Open
A nonlinear multivariable control scheme for linear time-invariant plants is presented that is capable of rejecting unmatched disturbances that are sufficiently often differentiable. It is based on the Youla parameterization in state space…
View article: Stochastic Model Predictive Control for Networked Systems with Random Delays and Packet Losses in All Channels
Stochastic Model Predictive Control for Networked Systems with Random Delays and Packet Losses in All Channels Open
A stochastic Model Predictive Control strategy for control systems with communication networks between the sensor node and the controller and between the controller and the actuator node is proposed. Data packets are subject to random dela…
View article: Evaluation of the perception of visual comfort, reading ability, color appearance, and global preference with respect to the CCT and the illuminance, of a university audience
Evaluation of the perception of visual comfort, reading ability, color appearance, and global preference with respect to the CCT and the illuminance, of a university audience Open
With the aim of knowing the perception of a university audience of four aspects of lighting: visual comfort, reading ability, color appearance and global preference, 40 volunteers were surveyed, sitting in front of a cubicle, which was ill…
View article: Control oriented modeling of twin-screw granulation in the ConsiGmaTM-25 production plant
Control oriented modeling of twin-screw granulation in the ConsiGmaTM-25 production plant Open
ConsiGmaTM-25 is a continuous production plant integrating a twin-screw granulation, fluid bed drying, granule conditioning, and a tableting unit. The particle size distribution (PSD), active pharmaceutical ingredient (API) content, and li…
View article: A system theory based digital model for predicting the cumulative fluid balance course in intensive care patients
A system theory based digital model for predicting the cumulative fluid balance course in intensive care patients Open
Background: Surgical interventions can cause severe fluid imbalances in patients undergoing cardiac surgery, affecting length of hospital stay and survival. Therefore, appropriate management of daily fluid goals is a key element of postope…
View article: Control-oriented modeling of a LiBr/H2O absorption heat pumping device and experimental validation
Control-oriented modeling of a LiBr/H2O absorption heat pumping device and experimental validation Open
Absorption heat pumping devices (AHPDs, comprising absorption heat pumps and chillers) are devices that use thermal energy instead of electricity to generate heating and cooling, thereby facilitating the use of waste heat and renewable ene…
View article: Modified Implicit Discretization of the Super-Twisting Controller
Modified Implicit Discretization of the Super-Twisting Controller Open
In this paper a novel discrete-time realization of the super-twisting controller is proposed. The closed-loop system is proven to converge to an invariant set around the origin in finite time. Furthermore, the steady-state error is shown t…
View article: Switched Lyapunov Function based Controller Synthesis for Networked Control Systems: A Computationally Inexpensive Approach
Switched Lyapunov Function based Controller Synthesis for Networked Control Systems: A Computationally Inexpensive Approach Open
This paper presents a Lyapunov function based control strategy for networked control systems (NCS) affected by variable time delays and data loss. A special focus is put on the reduction of the computational complexity. A specific bufferin…
View article: Search-based task and motion planning for hybrid systems: Agile autonomous vehicles
Search-based task and motion planning for hybrid systems: Agile autonomous vehicles Open
To achieve optimal robot behavior in dynamic scenarios we need to consider complex dynamics in a predictive manner. In the vehicle dynamics community, it is well know that to achieve time-optimal driving on low friction surface, the vehicl…
View article: Search-Based Task and Motion Planning for Hybrid Systems: Agile Autonomous Vehicles
Search-Based Task and Motion Planning for Hybrid Systems: Agile Autonomous Vehicles Open
To achieve optimal robot behavior in dynamic scenarios we need to consider complex dynamics in a predictive manner. In the vehicle dynamics community, it is well know that to achieve time-optimal driving on low surface, the vehicle should …
View article: Robust Boundary Controller Design with Proportional Integral Observer for a Linear 1D Heat Equation*
Robust Boundary Controller Design with Proportional Integral Observer for a Linear 1D Heat Equation* Open
The problem of state estimation with boundary disturbance reconstruction and output regulation for linear 1D parabolic systems with a boundary measurement and unknown constant disturbance input on the opposite boundary is addressed. As the…
View article: Switched Lyapunov Function-Based Controller Synthesis for Networked Control Systems: A Computationally Inexpensive Approach
Switched Lyapunov Function-Based Controller Synthesis for Networked Control Systems: A Computationally Inexpensive Approach Open
This paper presents a Lyapunov function based control strategy for networked control systems (NCS) affected by variable time delays and data loss. A special focus is put on the reduction of the computational complexity. A specific bufferin…