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Groundbreaking Robot Inspired by Chinese Rice Grasshopper Revolutionizes Robotics

TL;DR

  • A new robot mimics Chinese rice grasshopper’s water acrobatics, revolutionizing robotics.
  • Hydrostatic pressure and hydrodynamics enable robotic leap and swim capabilities.
  • Bioinspired robotics advance with a grasshopper-inspired swimming and jumping robot.

In a pioneering study published in the Proceedings of the National Academy of Sciences, a team including Professor Stanislav N. Gorb from the Institute of Zoology at Kiel University and researchers from China present a new robot inspired by the Chinese rice grasshopper, Oxya chinensis. Using this robotics innovation, it is going to be able to perform aquatic acrobatics like swimming and jumping on water bodies—a feat mimicking the natural abilities of a grasshopper. This adaptation to the snake robot can be considered one of the great advances in advanced robotics since it has potential across varied terrains.

Revolutionizing robotics with nature’s design 

That is exactly what a group of biologists, material scientists, and specialists in bionics want to find out: for a long time, they have taken inspiration from the outstanding abilities of animals for potential applications in technology.

Their previous work: robotic arms inspired by insects and an adhesive film, a bit like the sticky, multi-legged appendages of insects, spiders, and geckos. Their latest effort is an attempt to follow up on quite an understudied area—the peculiar locomotion on water carried out by the Chinese rice grasshopper.

The experiment studied the movement of the grasshopper using 15 grasshoppers in a water glass tank. High-speed cameras were used by the scientists to describe these water acrobatics, through observation and recording of the mechanisms of 48 jumping and 54 swimming attempts by the grasshopper. 

The science behind the leap

The key to the grasshopper’s remarkable abilities lies in the combination of static and dynamic forces. The study found that equal amounts of hydrostatic pressure support their body weight according to mass, whereas the hydrodynamic movement of the body is supported by the interactions taking place between the apical ends of their limbs and water. This dual mechanism allows grasshoppers to seamlessly swim or jump out of the water, showing the synergy of buoyancy with propulsion unparalleled in robotic design.

A new drive strategy for robotics

 Most of these traditional robotic models have focused either on surface tension or the dynamic limb for aquatic locomotion, each with its failure marks. Of the two models, the surface-tension-based movement calls for super-hydrophobic surfaces that are tough to replicate in large robots. High energy consumption is a characteristic of the second model, that is, limb dynamics. The Chinese rice grasshopper does this in a novel manner: it combines the use of static hydro forces for weight support and uses dynamic movements for propulsion. 

Gjson and his team borrowed a leaf from this natural blueprint in coming up with a robot that imitates the aquatic locomotion of a grasshopper. The design of robots makes them very effective for swimming and jumping on the water surface with an operation using speed control of the limbs. The breakthrough could bring an entirely new genre of robotics for navigation in complex environments, from rescue operations in waterlogged habitats to the environmental monitoring of the fluvial systems of our planet.

Implications and Future Directions

This unveils untold potential in the bioinspired robotics field and opens up new paths for technological innovations. These capabilities of aquatic locomotion mimicry in robotic form would indeed change the way we see design and functionality in robotics in a manner that it brings about more versatile and energy-saving machines. 

As the team continues to refine their prototype, the possibilities for application are vast. Its impact spans from improved search and rescue missions in difficult terrains to assisting in unlocking more secrets about aquatic life. In that sense, showing a preview of what lies for nature-inspired robotics in the future. In general, the cooperation of Professor Stanisjson N. Gorb’s team with a group of researchers from China has led to a very interesting bio-inspired robot that is capable of doing stupendous water acrobatics. This technology takes robotics one step further by getting inspiration from the chemo-physical movements of the ingenious locomotion of the Chinese rice grasshopper and adds an aesthetic value to it.

Original Story From https://techxplore.com/news/2024-04-robot-chinese-rice-grasshopper.html

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John Palmer

John Palmer is an enthusiastic crypto writer with an interest in Bitcoin, Blockchain, and technical analysis. With a focus on daily market analysis, his research helps traders and investors alike. His particular interest in digital wallets and blockchain aids his audience.

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