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We consider the system of a two ball automatic dynamic balancer attached to a rotating disc with nonconstant angular velocity. We directly compare the scenario of constant angular velocity with that when the acceleration of the rotor is…

Chaotic Dynamics · Physics 2022-05-31 James A Wright , Linyu Peng

While current AI-driven methods excel at deriving empirical models from individual experiments, a significant challenge remains in uncovering the common fundamental physics that underlie these models -- a task at which human physicists are…

Artificial Intelligence · Computer Science 2025-12-12 You-Le Fang , Dong-Shan Jian , Xiang Li , Yan-Qing Ma

This paper presents the validation of a computational tool that serves to obtain continuous measurements of moving objects. The software uses techniques of computer vision, pattern recognition and optical flow, to enable tracking of objects…

In recent years, autonomous mobile platforms are finding an increasing range of applications in inspection or surveillance tasks, or to the transport of objects, in places such as smart warehouses, factories or hospitals. In these…

Robotics · Computer Science 2023-11-21 Pere Giró , Enric Celaya , Lluís Ros

An exact solution is presented for a swinging Atwood's machine. This teardrop-heart orbit is constructed using Hamilton-Jacobi theory. The example nicely illustrates the utility of the Hamilton-Jacobi method for finding solutions to…

chao-dyn · Physics 2009-10-22 Nicholas B. Tufillaro

The Circularity Principle was successfully applied for developing a coinductive proving technique, known as circular coinduction. In this paper, we show that the same principle can be used to develop an inductive proving technique. A main…

Logic in Computer Science · Computer Science 2026-05-26 Dorel Lucanu , Grigore Rosu , Eugen Goriac , Georgiana Caltais

We consider ultracold atoms trapped in a toroidal trap with an azimuthal lattice for utility as a macroscopic simulator of quantum optics phenomena. We examine the dynamics induced by the adiabatic introduction of the lattice that serves to…

Quantum Gases · Physics 2021-02-03 Caelan Brooks , Allison Brattley , Kunal K. Das

We show how builtin sensors in mobile devices can be used as portable laboratories at the service of teaching experimental sciences, especially physics, in the last years of high school and first years of university. We describe experiments…

Physics Education · Physics 2023-01-16 Martin Monteiro , Cecilia Stari , Arturo C. Marti

A Laboratory device is designed to emulate the Segway motion, modifying the Furuta pendulum experiment. To copy the person on the Segway transportation unit to the Furuta pendulum, a second pendulum is added to the main one. Using LMI…

Optimization and Control · Mathematics 2014-05-09 Gisela Pujol , Leonardo Acho , Amelia Nápoles , Vega Pérez-García

Real-life control tasks involve matters of various substances---rigid or soft bodies, liquid, gas---each with distinct physical behaviors. This poses challenges to traditional rigid-body physics engines. Particle-based simulators have been…

Machine Learning · Computer Science 2019-04-19 Yunzhu Li , Jiajun Wu , Russ Tedrake , Joshua B. Tenenbaum , Antonio Torralba

We describe a mechanism for transport of energy in a mechanical system consisting of a pendulum and a rotator subject to a random perturbation. The perturbation that we consider is the product of a Hamiltonian vector field and a scalar,…

Dynamical Systems · Mathematics 2024-09-06 Anna Maria Cherubini , Marian Gidea

One of the oldest science problems - possibility of the perpetuum mobile is discussed. The interest to this problem was provoke a result, published in J. Low Temp.Phys. 112, 227 (1998); cond-mat/9811148, which contradicts to the second law…

General Physics · Physics 2007-05-23 A. V. Nikulov

In the present study an oscillator system formed by a seesaw connected to a simple pendulum coupled to a mobile platform with a certain slope, is analyzed. The observed properties of the system when faced with a possible displacement of the…

Complex ocean systems such as the Antarctic Circumpolar Current play key roles in the climate, and current models predict shifts in their strength and area under climate change. However, the physical processes underlying these changes are…

Atmospheric and Oceanic Physics · Physics 2023-12-19 William Yik , Maike Sonnewald , Mariana C. A. Clare , Redouane Lguensat

In manufacturing during the cutting process the appearance of vibrations can not be avoided. These vibrations constitute a major obstacle to obtain a greater productivity and a better quality of the workpiece. It is thus necessary to…

Classical Physics · Physics 2009-09-29 Claudiu-Florinel Bisu , Raynald Laheurte , Alain Gérard , Jean-Yves K'Nevez

A rigid-flexible manipulator may be assigned tasks in a moving environment where the winds or vibrations affect the position and/or orientation of surface of operation. Consequently, losses of the contact and perhaps degradation of the…

Robotics · Computer Science 2007-05-23 Atef A. Ata , Habib Johar

Putting several hard balls into a two-dimensional bowl can form a very basic two-dimensional model of hard-ball system. When the two-dimensional bowl has a parallel-rotation at a uniform speed around a center, when the number of balls is…

Physics Education · Physics 2024-07-10 T. Z. Lin

Whether quantum physics is universally valid is an open question with far-reaching implications. Intense research is therefore invested into testing the quantum superposition principle with ever heavier and more complex objects. Here we…

The aim of this paper is twofold: First, we give a formal introduction to the basics of the mathematical framework of classical mechanics. Along the way, we prove a Hamiltonian and a Lagrangian version of Noether's Theorem, an important…

Symplectic Geometry · Mathematics 2026-02-02 Yannis Bähni

The subject of optomechanics involves interactions between optical and mechanical degrees of freedom, and is currently of great interest as an enabler of fundamental investigations in quantum mechanics, as well as a platform for…

Quantum Physics · Physics 2016-08-03 Hao Shi , Mishkat Bhattacharya