Results 61 to 70 of about 22,729,785 (252)
Biological Reviews, EarlyView.ABSTRACT Oropharyngeal food processing exhibits a remarkable diversity among vertebrates, reflecting the evolution of specialised ‘processing centres’ associated with the mandibular, hyoid, and branchial arches. Although studies have detailed various food‐processing strategies and mechanisms across vertebrates, a coherent and comprehensive terminology ...
Daniel Schwarz +6 more
wiley +1 more source
Designing optimal controls by parameter optimization for a stance-control knee-ankle-foot orthosis [PDF]
, 2014 Inverse dynamics simulation is often used in robotic and mechatronic systems to track a desired trajectory by feed-forward control. Musculoskeletal multibody systems are highly overactuated and show a switching number of closed kinematical loops.
Font Llagunes, Josep Maria +1 more
core
International Journal of Mechanical System Dynamics, EarlyView.ABSTRACT In recent years, learning robot manipulator dynamics with deep networks has been extensively studied, as it avoids deriving the analytical expression of the robot dynamics equations. In particular, deep Lagrangian networks that incorporate the prior knowledge of Lagrangian mechanics into the deep networks have shown prominent advantages in ...
Xianglong Liang +3 more
wiley +1 more source
Motion Planning of Uncertain Ordinary Differential Equation Systems [PDF]
, 2011 This work presents a novel motion planning framework, rooted in nonlinear programming theory, that treats uncertain fully and under-actuated dynamical systems described by ordinary differential equations.
Hays, Joe +3 more
core +1 more source
On Centroidal Dynamics and Integrability of Average Angular Velocity [PDF]
, 2017 In the literature on robotics and multibody dynamics, the concept of average angular velocity has received considerable attention in recent years. We address the question of whether the average angular velocity defines an orientation framethat depends ...
Nijmeijer, Henk +3 more
core +2 more sources
Optimal Control Applications and Methods, EarlyView.Optimal control combines state and adjoint equations, which yield the state (x$$ x $$) and adjoint (lambda) variables as a function of the control variables (u$$ u $$). This structure allows us to design strategies for iteratively updating the control variable, based on conjugate gradient (CG) or GMRES algorithms.
N. Armengou‐Riera +4 more
wiley +1 more source
Influence of the controller design on the accuracy of a forward dynamic simulation of human gait [PDF]
, 2017 The analysis of a captured motion can be addressed by means of forward or inverse dynamics approaches. For this purpose, a 12 segment 2D model with 14 degrees of freedom is developed and both methods are implemented using multibody dynamics techniques ...
Dòria Cerezo, Arnau +3 more
core +2 more sources
Journal of Field Robotics, EarlyView.ABSTRACT Safe and reliable mobility over different kinds of ground is important for planetary rovers on space missions. Since terrain changes might affect the mobility of the rover, energy consumption, and safety, detecting the type of ground in real‐time is vital.
Md Masrul Khan +7 more
wiley +1 more source
Implementation of A Geometric Constraint Regularization For Multibody System Models
Archive of Mechanical Engineering, 2014 Redundant constraints in MBS models severely deteriorate the computational performance and accuracy of any numerical MBS dynamics simulation method.
Müller Andreas
doaj +1 more source
Comment on the calculation of forces for multibody interatomic potentials
, 2010 The system of particles interacting via multibody interatomic potential of general form is considered. Possible variants of partition of the total force acting on a single particle into pair contributions are discussed.
A. M. Krivtsov +7 more
core +1 more source