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The Scope of Physics01:17

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Physics is concerned with the interactions of energy, matter, space, and time, in order to discover the underlying mechanisms that underpin all phenomena. The word "physics" comes from the Greek word "phúsis", which means nature. Physics seeks to comprehend the natural world around us at its most fundamental level. It emphasizes the use of quantitative laws to do this, which could be valuable in other fields that want to push the performance boundaries of present...
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Force can be calculated from the expression for potential energy, which is a function of position. The component of a conservative force, in a particular direction, equals the negative of the derivative of the corresponding potential energy with respect to the displacement in that direction. For regions where potential energy changes rapidly with displacement, the work done and force is maximum. Also, when force is applied along the positive coordinate axis, the potential energy decreases with...
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The dynamics of a mechanical system can be easily understood by interpreting a potential energy diagram. Since energy is a scalar quantity, the interpretation of the dynamics of the system becomes even simpler.
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Consider a particle moving under the action of a conservative force that has components along each coordinate axis. Each component of force is a function of the coordinates. The potential energy function U is also a function of all three spatial coordinates. Force in one dimension can be written as the negative ratio of potential energy change to the displacement along that coordinate. For minimal displacement, the ratios become derivatives. If a function has many variables, the derivative only...
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Analyzing AC circuits in electrical systems is a fundamental aspect of electrical engineering. In these circuits, AC power is supplied from a distribution panel and wired to various household appliances in parallel. To perform a comprehensive analysis, electrical engineers use Kirchhoff's voltage and current laws, which are equally applicable in AC circuits as in DC circuits.
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MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions
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Horizons of cybernetical physics.

Alexander L Fradkov1,2,3

  • 1Institute for Problems in Mechanical Engineering, Russian Academy of Sciences, 199178 Saint Petersburg, Russia fradkov@mail.ru.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|January 25, 2017
PubMed
Summary

Cybernetical physics integrates control theory and physics to manage complex systems. This new field explores controlling oscillatory, chaotic, and quantum behaviors, advancing scientific understanding and applications.

Keywords:
chaoscontrolentropyinformationnetworkssynchronization

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Area of Science:

  • Cybernetical physics as an emerging interdisciplinary field.
  • Bridging principles of cybernetics and physics for system control.

Background:

  • The historical development and foundational concepts of cybernetical physics.
  • Establishing the need for a unified approach to control in physical systems.

Purpose of the Study:

  • To define the scope and key research areas of cybernetical physics.
  • To provide a survey of current and future directions in the field.

Main Methods:

  • Review of existing literature and theoretical frameworks.
  • Identification of core principles and methodologies.

Main Results:

  • A comprehensive overview of cybernetical physics, including its history.
  • Detailed survey of main research areas: control of oscillatory and chaotic behavior, resonance, synchronization, thermodynamics, distributed systems, networks, and quantum control.

Conclusions:

  • Cybernetical physics offers a novel framework for understanding and manipulating complex physical phenomena.
  • The field holds significant potential for advancements across various scientific and technological domains.