Publications related to Feed forward (control)

Stability and Performance Verification of Optimization-based Controllers

This paper presents a method to verify closed-loop properties of optimization-based controllers for deterministic and stochastic constrained polynomial discrete-time dynamical systems. The closed-loop properties amenable to the proposed technique include g ...

2015

FH HES Optimization of Chemical Reactor Feed by Simulations Based on a Kinetic Approach

Thierry Meyer, Francis Stoessel, Charles Ibrahim Guinand

Chemical incidents are typically caused by loss of control, resulting in runaway reactions or process deviations in different stages of the production. In the case of fed-batch reactors, the problem generally encountered is the accumulation of heat. This i ...

Schweizerische Chemische Gesellschaft2014

Predictive Control for Longitudinal Beam Dynamics in Heavy Ion Synchrotrons

Timm Faulwasser

We present a design of a predictive control scheme for longitudinal beam dynamics in heavy ion synchrotrons. Specifically, we consider a linear-quadratic model predictive control (MPC) approach, whereby the quadratic program is solved via a fast gradient m ...

2014

Optimization based control for target estimation and tracking via highly observable trajectories

Colin Neil Jones, Andrea Alessandretti, António Pedro Rodrigues de Aguiar

This paper presents a Model Predictive Control (MPC) scheme to solve the target estimation and tracking problem. The objective is to derive a feedback law that drives a follower vehicle to a target vehicle using on-line estimation of the target position an ...

2014

Neuroprosthetic system to restore locomotion after neuromotor disorder

Nikolaus Wenger

Neuromodulation of spinal sensorimotor circuits improves motor control in animal models and humans with Spinal Cord Injury (SCI) and Parkinson disease. Stimulation parameters are tuned manually and remain constant during motor execution which is suboptimal ...

EPFL2014

Model predictive controllers for reduction of mechanical fatigue in wind farms

Giancarlo Ferrari Trecate

We consider the problem of dispatching WindFarm (WF) power demand to individual Wind Turbines (WT) with the goal of minimizing mechanical stresses. We assume wind is strong enough to let each WTs to produce the required power and propose different closed-l ...

2014

Open-loop control of a separated boundary layer

François Gallaire, Edouard Boujo

Linear optimal gains

G_{opt}(\omega)

are computed for the separated boundary-layer flow past a two-dimensional bump in the subcritical regime. Very large values are found, making it possible for small-amplitude noise to be strongly amplified and to desta ...

Elsevier France-Editions Scientifiques Medicales Elsevier2014

A linearized approach for the control of aerodynamic forces in flow past a square cylinder

François Gallaire, Edouard Boujo, Philippe Meliga

The analysis of Strykowski & Sreenivasan (JFM, 1990) provides experimental evidence that a small control cylinder suitably positioned in the wake of a main cylinder can alter vortex shedding close to the instability threshold. This problem was addressed fr ...

2014

Robust and Agile 3D Biped Walking With Steering Capability Using a Footstep Predictive Approach

Auke Ijspeert, Salman Faraji, Soha Pouya

In this paper, we formulate a novel hierarchical controller for walking of torque controlled humanoid robots. Our method uses a whole body optimization approach which generates joint torques, given Cartesian accelerations of different points on the robot. ...

2014

Implementation of a Scenario-based MPC for HVAC Systems: an Experimental Case Study

Maurizio Molinari, Luca Fabietti

Heating, Ventilation and Air Conditioning (HVAC) systems play a fundamental role in maintaining acceptable thermal comfort and air quality levels. Model Predictive Control (MPC) techniques are known to bring significant energy savings potential. Developing ...

2014

Feed forward (control)

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Stability and Performance Verification of Optimization-based Controllers

FH HES Optimization of Chemical Reactor Feed by Simulations Based on a Kinetic Approach

Predictive Control for Longitudinal Beam Dynamics in Heavy Ion Synchrotrons

Optimization based control for target estimation and tracking via highly observable trajectories

Neuroprosthetic system to restore locomotion after neuromotor disorder

Model predictive controllers for reduction of mechanical fatigue in wind farms

Open-loop control of a separated boundary layer

A linearized approach for the control of aerodynamic forces in flow past a square cylinder

Robust and Agile 3D Biped Walking With Steering Capability Using a Footstep Predictive Approach

Implementation of a Scenario-based MPC for HVAC Systems: an Experimental Case Study

Stability and Performance Verification of Optimization-based Controllers

Predictive Control for Longitudinal Beam Dynamics in Heavy Ion Synchrotrons

FH HES Optimization of Chemical Reactor Feed by Simulations Based on a Kinetic Approach

Optimization based control for target estimation and tracking via highly observable trajectories

Neuroprosthetic system to restore locomotion after neuromotor disorder

Open-loop control of a separated boundary layer

Model predictive controllers for reduction of mechanical fatigue in wind farms

A linearized approach for the control of aerodynamic forces in flow past a square cylinder

Robust and Agile 3D Biped Walking With Steering Capability Using a Footstep Predictive Approach

Implementation of a Scenario-based MPC for HVAC Systems: an Experimental Case Study