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Mechanical Systems01:22

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Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically...
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Conservation of Mechanical Energy01:05

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The mechanical energy E of a system is the sum of its potential energy U and the kinetic energy K of the objects within it. What happens to this mechanical energy when only conservative forces cause energy transfers within the system—that is, when frictional and drag forces do not act on the objects in the system? Also assume that the system is isolated from its environment; in other words no external force from an object outside the system causes energy changes inside the system.
When a...
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Mechanical Efficiency of Real Machines01:14

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The mechanical efficiency of a machine is a fundamental concept that describes how effectively a machine can convert input work into output work. According to this concept, the efficiency of a machine is equal to the ratio of the output work to the input work. An ideal machine, meaning a machine that has no energy losses, has an efficiency of one. This implies that the input work and the output work are equal.
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Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
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Kinetic Energy for a Rigid Body01:13

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Imagine a solid object involved in a general planar movement, with its center of mass pinpointed at a spot labeled G. The object's kinetic energy relative to an arbitrary point A can be quantified for each of its particles - the ith particle in this case. This measurement is achieved through the employment of the relative velocity definition. The position vector, known as rA, extends from point A to the mass element i.
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Kinetic Energy - II00:56

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The kinetic energy of a particle is one-half of the product of the particle’s mass and the square of its speed. Note that just as Newton’s second law can be expressed as either the rate of change of momentum or mass multiplied by the rate of change of velocity, so too can the kinetic energy of a particle be expressed in terms of its mass and momentum, instead of its mass and velocity. 
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The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
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Hacia robots autónomos duraderos a través de la energía incorporada

Cameron A Aubin1, Benjamin Gorissen2,3, Edoardo Milana3

  • 1Sibley School of Mechanical & Aerospace Engineering, Cornell University, Ithaca, NY, USA.

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Los robots autónomos pueden ser mejorados imitando la multifuncionalidad de la naturaleza. Embodied Energy integra fuentes de energía en estructuras de robots, yendo más allá de las baterías tradicionales para mejorar las capacidades.

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Área de la Ciencia:

  • La robótica y la biomimética
  • Ciencias de los materiales
  • Ingeniería de Sistemas Energéticos

Sus antecedentes:

  • Los robots autónomos actuales a menudo carecen de multifuncionalidad, con sistemas separados para la activación, la energía, la detección y el control.
  • Los organismos en la naturaleza exhiben sistemas altamente integrados e interconectados que permiten múltiples funciones simultáneas.

Objetivo del estudio:

  • Explorar cómo la integración de sistemas y la multifuncionalidad de la naturaleza pueden inspirar un nuevo paradigma para los robots autónomos.
  • Introducir y examinar el concepto de "energía incorporada" en el diseño robótico.

Principales métodos:

  • Revisión de los sistemas naturales para los principios de multifuncionalidad e integración.
  • Análisis de los avances en las técnicas de almacenamiento de energía para la realización directa de materiales.
  • Destacando ejemplos emergentes de Energía Incorporada en el desarrollo robótico.

Principales resultados:

  • El diseño de la naturaleza ofrece un plan para crear robots más sofisticados y multifuncionales.
  • La energía incorporada permite que las fuentes de energía se integren directamente en las estructuras y materiales del robot.
  • Este enfoque se aleja de la dependencia de paquetes de baterías separados para robots sin ataduras.

Conclusiones:

  • La adopción de un enfoque de "energía incorporada" inspirado en la naturaleza puede conducir a robots autónomos más eficientes y capaces.
  • La integración del almacenamiento de energía en los materiales y estructuras de los robots es una dirección prometedora para el diseño robótico futuro.
  • Una mayor investigación sobre la energía incorporada puede abrir nuevas posibilidades para los sistemas autónomos multifuncionales.