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Related Concept Videos

Mechanical Systems01:22

Mechanical Systems

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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

Mechanical Efficiency of Real Machines

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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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Electro-mechanical Systems01:19

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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

Kinetic Energy - II

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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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Towards enduring autonomous robots via embodied energy.

Cameron A Aubin1, Benjamin Gorissen2,3, Edoardo Milana3

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Autonomous robots can be improved by mimicking nature's multifunctionality. Embodied Energy integrates power sources into robot structures, moving beyond traditional batteries for enhanced capabilities.

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Area of Science:

  • Robotics and Biomimicry
  • Materials Science
  • Energy Systems Engineering

Background:

  • Current autonomous robots often lack multifunctionality, with separate systems for actuation, energy, sensing, and control.
  • Organisms in nature exhibit highly integrated and interconnected systems enabling simultaneous multiple functions.

Purpose of the Study:

  • To explore how nature's system integration and multifunctionality can inspire a new paradigm for autonomous robots.
  • To introduce and examine the concept of 'Embodied Energy' in robotic design.

Main Methods:

  • Reviewing natural systems for principles of multifunctionality and integration.
  • Analyzing advancements in energy-storage techniques for direct material embodiment.
  • Highlighting emerging examples of Embodied Energy in robotic development.

Main Results:

  • Nature's design offers a blueprint for creating more sophisticated and multifunctional robots.
  • Embodied Energy allows energy sources to be integrated directly into robot structures and materials.
  • This approach moves away from the reliance on separate battery packs for untethered robots.

Conclusions:

  • Adopting a nature-inspired 'Embodied Energy' approach can lead to more efficient and capable autonomous robots.
  • Integrating energy storage within robot materials and structures is a promising direction for future robotic design.
  • Further research into Embodied Energy can unlock new possibilities for multifunctional autonomous systems.