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A Mechanical Feedback Classification of Linear Mechanical Control Systems

open access: yesApplied Sciences, 2021
We give a classification of linear nondissipative mechanical control system under mechanical change of coordinates and feedback. First, we consider a controllable case that is somehow a mechanical counterpart of Brunovský classification, then we extend ...
Marcin Nowicki, Witold Respondek
doaj   +3 more sources

Optical Coherent Feedback Control of a Mechanical Oscillator

open access: yesPhysical Review X, 2023
Feedback is a powerful and ubiquitous technique both in classical and quantum system control. Its standard implementation relies on measuring the state of a system, processing the classical signal, and feeding it back to the system.
Maryse Ernzer   +7 more
doaj   +2 more sources

Synthesis of nonlinear elastic couplings on the basis of modified kinematic graphs

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2017
In this work the analytical research of existing elastic couplings with linear mechanical feedback and synthesis was carried out taking into account passive elastic couplings with nonlinear mechanical feedback.
Ігор Іванович Сидоренко   +1 more
doaj   +7 more sources

A Markov chain Monte Carlo model of mechanical-feedback-driven progressive apical constrictions captures the fluctuating collective cell dynamics in the Drosophila embryo

open access: yesFrontiers in Physics, 2022
Communication via mechanical stress feedback is believed to play an important role in the intercellular coordination of collective cellular movements. One such movement is ventral furrow formation (VFF) in the Drosophila melanogaster embryo.
Guo–Jie J. Gao   +4 more
doaj   +1 more source

Modeling Interactions among Migration, Growth and Pressure in Tumor Dynamics

open access: yesMathematics, 2021
What are the biomechanical implications in the dynamics and evolution of a growing solid tumor? Although the analysis of some of the biochemical aspects related to the signaling pathways involved in the spread of tumors has advanced notably in recent ...
Beatriz Blanco   +3 more
doaj   +1 more source

Development of a pneumatic master–slave system comprising entirely mechanical components

open access: yesMechanical Engineering Journal, 2020
In recent years, master–slave systems with pneumatic actuators, which are necessary to realize a safe and secure society, have attracted increasing attention and are currently being used in the medical and welfare fields.
Hajime MORIGUCHI   +2 more
doaj   +1 more source

Prediction of the time constant of small-scale concentrated solar CHP plants [PDF]

open access: yesE3S Web of Conferences, 2021
The operation of a power plant based on solar energy can vary significantly with time because of the intrinsic intermittency of the energy resource.
Tascioni Roberto   +14 more
doaj   +1 more source

Delayed Massive-star Mechanical Feedback at Low Metallicity

open access: yesThe Astrophysical Journal, 2023
The classical model of massive-star mechanical feedback is based on effects at solar metallicity ( Z _⊙ ), yet feedback parameters are very different at low metallicity.
Michelle C. Jecmen, M. S. Oey
doaj   +1 more source

Mechanical feedback coordinates cell wall expansion and assembly in yeast mating morphogenesis. [PDF]

open access: yesPLoS Computational Biology, 2018
The shaping of individual cells requires a tight coordination of cell mechanics and growth. However, it is unclear how information about the mechanical state of the wall is relayed to the molecular processes building it, thereby enabling the coordination
Samhita P Banavar   +5 more
doaj   +1 more source

Analysis of Bucket Elevator Drive Mounting Structures Based on Graph Models

open access: yesTrudy Odesskogo Politehničeskogo Universiteta
The paper presents the results of the analysis and synthesis of bucket elevator drives based on combined graph models in mechanics. The study is carried out using the theory of modified kinematic graphs, which makes it possible to represent bucket ...
Володимир Олегович Курган
doaj   +5 more sources

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