Multibody Dynamics
Computational Methods and Applications
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Article
Open AccessData-driven virtual sensor for online loads estimation of drivetrain of wind turbines
Data-driven approaches have gained interest recently in the field of wind energy. Data-driven online estimators have been investigated and demonstrated in several applications such as online loads estimation, ...
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Reference Work Entry In depth
Wind Tunnel Testing of Wind Turbines and Farms
This chapter reviews the wind tunnel testing of scaled wind turbines and farms, which in recent years is finding an increased interest by the scientific community for aerodynamic, aeroelastic and control appli...
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Living Reference Work Entry In depth
Wind Tunnel Testing of Wind Turbines and Farms
This chapter reviews the wind tunnel testing of scaled wind turbines and farms, which in recent years is finding an increased interest by the scientific community for aerodynamic, aeroelastic and control appli...
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Article
Design and Validation of Demanded Power Point Tracking Control Algorithm of Wind Turbine
Simple demanded power point tracking (DPPT) control algorithms with a mode switch are proposed and experimentally validated in this study. One is a torque-based control and uses the generator torque with fixed...
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Article
Delayed fusion for real-time vision-aided inertial navigation
In this paper, we consider the effects of delay caused by real-time image acquisition and feature tracking in a previously documented vision-augmented inertial navigation system. At first, the paper illustrate...
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Article
Maximal power extraction strategy in the transition region and its benefit on the AEP (annul energy product)
The rotational speed of a wind turbine is limited by the noise constraint of the blade tip speed. The larger the rotor diameter is, the smaller the rotor speed becomes. Therefore, there exists a transition reg...
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Chapter
Aero-Servo-Elastic Design of Wind Turbines: Numerical and Wind Tunnel Modeling Contribution
The main purpose of this contribution is to provide a basic understanding of the fundamental interaction mechanism between the wind flow and the wind turbine, responsible for the power generation, as well as f...
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Chapter
Maneuvering Multibody Dynamics: New Developments for Models with Fast Solution Scales and Pilot-in-the-Loop Effects
The present paper focuses on trajectory optimization problems for multibody vehicle models, accounting for the presence of pilot-in-the-loop effects and fast dynamic components in the solution. The trajectory ...
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Book
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Chapter
Solution Procedures for Maneuvering Multibody Dynamics Problems for Vehicle Models of Varying Complexity
We describe a suite of solution procedures for the solution of optimal control problems in vehicle dynamics, which find applicability in the modeling of maneuvers at the boundaries of the vehicle operating env...
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Article
On the optimal scaling of index three DAEs in multibody dynamics
We propose a preconditioning strategy for the governing equations of multibody systems in index-3 differential-algebraic form. The method eliminates the amplification of errors and the ill-conditioning which ...
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Article
Trim of rotorcraft multibody models using a neural-augmented model-predictive auto-pilot
The aeromechanical analysis of rotorcraft using comprehensive multibody vehicle models is crucially dependent on the ability to accurately compute the model trim settings. Among the various techniques propose...
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Chapter and Conference Paper
Neural-Augmented Planning and Tracking Pilots for Maneuvering Multibody Dynamics
We propose a methodology for extending the applicability of multibody-based comprehensive analysis codes to the maneuvering regime, with specific application to the flight of rotorcraft vehicles.
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Article
Aero-servo-elastic modeling and control of wind turbines using finite-element multibody procedures
In this paper, we report on our ongoing research in the area of aeroelastic modeling and control of wind turbine generators. At first, we describe a finite-element-based multibody dynamics code that is used in...
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Article
A numerical procedure for inferring from experimental data the optimization cost functions using a multibody model of the neuro-musculoskeletal system
We propose a computational procedure for inferring the cost functions that, according to the Principle of Optimality, underlie experimentally observed motor strategies. In the current use of optimization-based...
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Chapter and Conference Paper
On the Optimal Scaling of Index Three Daes in Multibody Dynamics
Errors and perturbations due to finite precision arithmetic pollute the numerical solution of high index differential algebraic equations. This pollution causes disastrous effects for small values of the time ...
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Chapter and Conference Paper
Towards Maneuvering Aeroelasticity—Progress in the Simulation of Large Fluid-Structure Interaction Problems
Advanced multidisciplinary software tools enable the development of sophisticated models of fixed and rotary wing vehicles. Such comprehensive vehicle models account for the interactions between the structural...
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Article
An Attempt at the Classification of Energy Decaying Schemes for Structural and Multibody Dynamics
This paper analyzes the formulation of energy preserving/decaying schemes for dynamics problems. We argue that any energy preserving/decaying scheme can always be seen as composed of an underlying temporal dis...
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Article
Optimal Control of Multibody Systems Using an Energy Preserving Direct Transcription Method
We consider the solution of path planning problems for multibody systems, using (a) a differential-algebraic formulation, (b) a direct transcription process, and (c) an energy-coherent temporal discretization....
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Article
On the Solution of Inverse Dynamics and Trajectory Optimization Problems for Multibody Systems
We study the solution of inverse multibody dynamics problems, hereintended as optimal control problems for dynamical systems governed bydifferential-algebraic equations. The optimal control problem caninvolve ...
