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The motion of point vortices on closed surfaces [PDF]

, 2015
We develop a mathematical framework for the dynamics of a set of point vortices on a class of differentiable surfaces conformal to the unit sphere. When the sum of the vortex circulations is non-zero, a compensating uniform vorticity field is required to
Dritschel, David Gerard +2 more
core +1 more source

Trajectory Planning for Infinitely Smooth Motion Using Non-Polynomial Functions

Engineering Proceedings
Although the polynomial approach is effective in many respects, it cannot provide fully smooth transitions between motion phases due to limited continuity at phase boundaries.
Hristo Genev, Miroslava Ivanova
doaj +1 more source

Progressive mesh-based motion estimation using partial refinement [PDF]

, 2006
A technique for performing progressive mesh-based motion estimation in a layered fashion is presented. Motion compensation based on image warping provides a block prediction free of block artifacts.
Park, Heechan +5 more
core +1 more source

Dynamic analysis of stepped composite cylindrical shells surrounded by Pasternak elastic foundations based on the continuous element method

Vietnam Journal of Mechanics, 2018
This research presents a continuous element model for solving vibration problems of stepped composite cylindrical shells surrounded by Pasternak foundations with various boundary conditions.
Le Thi Bich Nam +3 more
doaj +1 more source

Generalized Trajectory Planning Using Polynomial Functions of Arbitrary Odd Degree

Engineering Proceedings
In this paper, we explore the synthesis of a trajectory with preassigned maximum velocity and acceleration for planning longitudinal horizontal motion.
Miroslava Ivanova, Hristo Genev
doaj +1 more source

Modeling the Law of Motion of a Robotic Manipulator Using Polynomial Functions

Engineering Proceedings
The increasing use of robotic manipulators in construction requires precise trajectory planning to reduce oscillations, dynamic loads, and positioning errors.
Miroslava Ivanova, Hristo Genev
doaj +1 more source

A Bidirectional Adaptive Feedrate Scheduling Method of NURBS Interpolation Based on S-Shaped ACC/DEC Algorithm

IEEE Access, 2018
To improve the interpolation accuracy for the non-uniform rational B-spline (NURBS) curves, this paper proposes a novel bidirectional adaptive feedrate scheduling (BAFS) method based on S-shaped acceleration/deceleration (ACC/DEC) algorithm.
Hepeng Ni +6 more
doaj +1 more source

Congestion Identification for Multilane Highway by Vehicle Lane Change as Driver Behavior

Tikrit Journal of Engineering Sciences, 2022
This work introduces a new way to assess the condition of highways and classify them as congested or uncongested highways. This was done by recording a video and sorting the number of lane change orders instead of finding the traffic density, delay ...
Mohammad Ahmad Humoody , Nada Abdullah Younis +1 more
doaj +1 more source

Interpretable Vision-to-Music Mapping from Low-Level Visual Statistics to Mode, Rhythm, and Harmonic Structure [PDF]

SHS Web of Conferences
Vision-to-music generation transforms visual input into structured musical output, but many recent systems rely on end-to-end neural models whose internal cross-modal decisions are difficult to explain.
Yang Shuhan
doaj +1 more source

Microbiome‐blood–brain barrier interactions in aging — mechanisms and therapeutic potential

FEBS Letters, EarlyView.
Aging reshapes the gut microbiome (↓SCFA‐producing commensals; ↑pro‐inflammatory outputs), shifting circulating metabolites (↓SCFAs; ↑LPS, ↑TMAO, ↑PAA) that act at the BBB to increase nonspecific transcytosis, alter transport, and promote astrocyte reactivity, heightening brain vulnerability.
Daniel Cuervo‐Zanatta +3 more
wiley +1 more source

trajectory planning
medicine