Results 61 to 70 of about 6,195,717 (234)

Analysis of servo-constraints solution approaches for underactuated multibody systems [PDF]

open access: yes, 2018
The servo-constraints approach is an efficient method for computing inverse models of underactuated multibody systems. Underactuated multibody systems possess more degrees of freedom than independent control inputs.
Seifried, Robert, Drücker, Svenja
core   +1 more source

Development of a Head Injury Criteria-Compliant Aircraft Seat by Design of Experiments

open access: yesAerospace, 2019
This paper deals with the redesign of an aircraft passenger seat, placed at the first seat row, which was not compliant with Federal Aviation Regulations FAR 25.562 “Emergency landing dynamic conditions” regulation (due to a high value for the Head ...
Giuseppe Lamanna   +6 more
doaj   +1 more source

Design of a Carangiform Swimming Robot through a Multiphysics Simulation Environment

open access: yesBiomimetics, 2020
Bio-inspired solutions devised for autonomous underwater robots are currently being investigated by researchers worldwide as a way to improve propulsion. Despite efforts to harness the substantial potential payoffs of marine animal locomotion, biological
Daniele Costa   +4 more
doaj   +1 more source

A Review of Advances in Composite Materials, Structural Optimization, and Machine Learning for Wind Turbine Blades: Challenges and Future Perspectives

open access: yesPolymer Composites, EarlyView.
Overview of the holistic engineering lifecycle and core research pillars for wind turbine blades. ABSTRACT This paper reviews recent advancements across the lifecycle of wind turbine blades, focusing on three interconnected areas: advanced composites, structural optimization, and machine learning (ML) diagnostics. In materials, we highlight progress in
Kemal Hasirci   +2 more
wiley   +1 more source

Controlled Multibody Systems with Magnetostrictive Electric Generators [Elektronisk resurs] [PDF]

open access: yes, 2005
The proposed paper addresses the problem of modeling and analysis of controlled multibody systems with embedded magnetostrictive transducers. Main emphasis is put on the modeling of the considered mechatronic systems for applications in the field of ...
Berbyuk, Viktor,
core  

Solids Conveying in Injection Molding Machines—Analytical Model for Smooth and Grooved Feed Sections Derived From DEM Simulations

open access: yesPolymer Engineering &Science, EarlyView.
Understanding Solids Conveying in Injection Molding Machines – Dimensions. ABSTRACT Solids conveying is a key aspect for the design of polymer processing machines, especially for processes with high screw speeds, grooved feed sections, and material with low bulk density.
Jan Landgraeber   +4 more
wiley   +1 more source

Control and optimization of semi-passively actuated multibody systems [Elektronisk resurs] [PDF]

open access: yes, 2002
The controlled multibody systems are under the consideration. At the lecture special emphasis is put on the study of underactuated and overactuated systems having different type of actuators (external powered drives, unpowered spring-damper like drives ...
Berbyuk, Viktor,
core  

Simulation methods of rigid holonomic multibody systems with bond graphs

open access: yesAdvances in Mechanical Engineering, 2019
Bond graph software can simulate bond graph models without the user needing to manually derive equations. This offers the power to model larger and more complex systems than in the past.
Benjamin Boudon   +4 more
doaj   +1 more source

Modeling Dry Friction in Multibody Mechanical Systems and Its Applications to the Underactuated Control of an Overhead Crane-Payload System [PDF]

open access: yesJournal of Applied and Computational Mechanics
This paper presents a comprehensive analysis of dry friction modeling for conducting reliable computer simulations in the MATLAB and SIMULINK environments.
Rosario La Regina   +3 more
doaj   +1 more source

Terrain‐Adaptive Quadrupedal Locomotion Using Model Predictive Control With Impedance Control and SINDy Model Enhancement

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT Quadrupedal robots operating in unstructured environments require adaptive control systems that can handle diverse terrain conditions without prior surface characterization. This paper presents an integrated control architecture that combines Model Predictive Control (MPC) with adaptive impedance control and SINDy‐based model corrections for ...
Peter James McConnellogue   +4 more
wiley   +1 more source

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