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To analyze a hydraulic jump in a rectangular channel with a flow speed of 6 meters per second, follow these steps:Calculate Effective Upstream Velocity:When the downstream gate closes, a hydraulic jump forms, traveling upstream at 2 meters per second. This wave speed combines with the initial channel flow velocity, creating an effective upstream velocity.Identify Flow Velocities Before and After the Hydraulic Jump:Upstream of the hydraulic jump, the effective flow velocity includes both the...
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Salto robótico mejorado por hipogravidez inducida por empuje, logrando saltos precisos, predecibles y extendidos

Zijie Sun1, Jianguo Zhao1, Yangmin Li2

  • 1Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong.

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Este estudio presenta un robot bípedo que utiliza hipogravidez inducida por empuje y control de trayectoria para mejorar los saltos. Esta tecnología de salto robótico logra un mayor alcance y precisión en entornos dinámicos.

Palabras clave:
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Área de la Ciencia:

  • Robótica
  • Biomimética
  • Ingeniería Mecánica

Sus antecedentes:

  • La investigación sobre saltos robóticos tiene como objetivo mejorar la navegación en entornos no estructurados.
  • Lograr saltos precisos y predecibles en entornos dinámicos sigue siendo un desafío de ingeniería importante.
  • La gravedad terrestre requiere actuadores potentes y diseños ligeros para saltos robóticos altos.

Objetivo del estudio:

  • Desarrollar un robot bípedo capaz de saltos precisos, predecibles y de largo alcance en entornos dinámicos.
  • Superar las limitaciones de los sistemas actuales de salto robótico en términos de alcance y adaptabilidad.
  • Avanzar en los campos de la ingeniería y la biomimética a través de la novedosa locomoción robótica.

Principales métodos:

  • Se utilizó un robot bípedo que emplea hipogravidez inducida por empuje.
  • Se implementó la regulación dual de la actitud aérea y la trayectoria parabólica mediante la vectorización del empuje.
  • Se probó la capacidad del robot para superar obstáculos como escaleras, muros y arroyos, y para navegar en escenarios dinámicos.

Principales resultados:

  • Se logró un rango máximo de salto de 6.9 metros, superando las limitaciones de fuerza de las piernas.
  • Se superaron escaleras de varios niveles, un muro de 2.35 metros y un arroyo de 3 metros.
  • Se demostró un control preciso de la distancia de salto, lo que permite la navegación a través de ventanas de movimiento rápido y sobre objetivos cambiantes.

Conclusiones:

  • La hipogravidez autogenerada y la regulación de la trayectoria parabólica mejoran significativamente las capacidades de salto robótico.
  • El sistema de salto robótico desarrollado ofrece un alcance, precisión y previsibilidad extendidos para entornos dinámicos.
  • Esta investigación allana el camino para robots más adaptables y capaces en escenarios complejos del mundo real.