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Videos de Conceptos Relacionados

Mechanical Efficiency of Real Machines01:14

Mechanical Efficiency of Real Machines

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.
However, in reality, no machine can be truly ideal, and all of them experience some...
Machines01:19

Machines

Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. One example of a machine is the cutting plier, which is used to cut wires by applying forces to its handles. When equal and opposite forces are exerted on the handles of the cutting plier, they cause the cutting edges to come together and apply equal and opposite reaction forces on the wire, which are greater than the applied forces.
A free-body diagram of the...
Machines: Problem Solving I01:22

Machines: Problem Solving I

A toggle clamp is a mechanical device commonly used for holding and clamping objects in various applications, such as woodworking, metalworking, and assembly operations. Consider a toggle clamp subjected to a force of 200 N at the handle. The vertical clamping force can be calculated, provided the dimensions of the toggle clamp are known.
The toggle clamp system is a machine structure consisting of movable, pin-connected multi-force members that form a stabilized system to transmit forces. The...
Machines: Problem Solving II01:30

Machines: Problem Solving II

Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. Consider a lifting tong carrying a 100 kg load. It comprises movable sections DAF and CBG linked together with member AB.
Mechanical Systems01:22

Mechanical Systems

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 described...
Electro-mechanical Systems01:19

Electro-mechanical Systems

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.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...

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A Novel Single Animal Motor Function Tracking System Using Simple, Readily Available Software
08:22

A Novel Single Animal Motor Function Tracking System Using Simple, Readily Available Software

Published on: August 31, 2018

La investigación orientada a la misión para la maquinaria ligera.

D Tesar

    Science (New York, N.Y.)
    |September 8, 1978
    PubMed
    Resumen

    Los EE.UU. está rezagado en el desarrollo de máquinas inteligentes, frente a un déficit comercial significativo. Se propone una política nacional de investigación para maquinaria ligera y robótica para abordar esta brecha.

    Área de la Ciencia:

    • La robótica y el desarrollo de máquinas inteligentes.
    • Política nacional de investigación y competitividad tecnológica.

    Sus antecedentes:

    • Los Estados Unidos no están desarrollando adecuadamente el campo de las máquinas inteligentes.
    • Un déficit comercial sustancial de EE.UU. de $ 9 mil millones en este mercado en 1977 pone de relieve el problema.
    • Los competidores internacionales como Japón, Alemania y Rusia emplean enfoques de I + D sinérgicos.

    Objetivo del estudio:

    • Para esbozar una solución específica para el desarrollo tecnológico de EE.UU. en máquinas inteligentes.
    • Proponer una política nacional de investigación de los Estados Unidos para la maquinaria ligera y la robótica.

    Principales métodos:

    • Análisis del déficit comercial de Estados Unidos en maquinaria inteligente.
    • Examen de modelos internacionales de colaboración en investigación, desarrollo y demostración.

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  • Formulación de recomendaciones políticas. formulación de recomendaciones políticas.

    • Principales resultados:

    • Identificó un déficit comercial significativo de los Estados Unidos en el mercado de máquinas inteligentes.
    • Se han observado estrategias de I+D sinérgicas exitosas en naciones competidoras.
    • Destacó la necesidad de un enfoque nacional coordinado.

    Conclusiones:

    • Estados Unidos debe adoptar una política nacional de investigación proactiva para la maquinaria ligera y la robótica.
    • Una estrategia colaborativa entre el gobierno, la academia y la industria es crucial para recuperar la competitividad.
    • Abordar la brecha en el desarrollo de máquinas inteligentes es vital para los mercados estadounidenses.