Release date: 2013-10-08
According to foreign media reports, researchers in Singapore recently developed a super artificial muscle that can stretch to 5 times its length and load a weight equivalent to 80 times its own weight. This new type of artificial muscle is made of high molecular polymer, and its operating mechanism mimics real muscles, that is, responds to electrical impulses, causing rapid contraction or expansion. This is the first time in the field of robotics research and development, so the emergence of this technology laid the foundation for the next generation of more efficient, environmentally friendly and economical robotics development.
The core of this technological breakthrough stems from the application of electric field activated polymers. In theory, this material can be stretched 10 times without cracking, which allows it to perform a variety of operational tasks while carrying loads that are several times its own weight. This is different from the artificial muscles currently used, which are based primarily on hydraulic system design and can only lift loads that are approximately half the weight of their own.
Adrian Koh of the National University of Singapore, the developer of the technology, said: "The materials we use simulate the real muscles and respond quickly to electrical impulses, not like hydraulic systems. Slow mechanism." And he also stressed that this artificial muscle can also be stabilized like a hydraulic similar product at runtime. He said: "A robot equipped with this artificial muscle will have a functional approach that is closer to people, but its strength is stronger than humans."
The artificial muscle of the energy harvester also has another potentially important application. It was originally designed to convert electrical energy into mechanical energy, but it can also be reversed to convert the mechanical energy generated in motion into electrical energy and store it. According to Professor He, a 10 kg heavy "soft generator" based on this "muscle" can produce the same power from a conventional generator weighing 1 ton. In terms of energy storage, this artificial muscle works like a capacitor and can reach full power quickly, thus achieving fast charging.
Because relatively high molecular polymer materials are not expensive, robots made from these materials will be cheaper than existing traditional process robots. In fact, Professor He said that the price of artificial muscle materials will be only about 5% of the traditional hydraulic drive mechanism. Therefore, Professor He believes that robots based on this artificial muscle will become a universal consumer product in the future, just like today's tablets and smartphones.
In addition to the above mentioned, this artificial muscle also has more potential, application value outside the robot field. Than how to teach that this technology can be used to develop the next generation of more efficient crane equipment.
In the evaluation of this technology in the all-soft machine, Professor Robert Shepherd of Cornell University in the United States said: "This research work on electric pulse driving artificial muscle is to move towards the manufacture of all-soft machinery. An important step, this mechanical action is agile and has enough power to perform many important tasks."
Looking to the future, researchers will continue to work on improving this artificial muscle technology, and their next goal is to make this artificial muscle work more than 1 million times. In the next 3 to 5 years, the development team expects that they will be able to integrate this artificial muscle into a fully functional robotic arm that can perform tasks such as taking objects or moving objects accurately. . This kind of robotic arm can even slap the wrist with the real person - for this, Professor He said: "Of course we hope that our robotic arm can win!"
Source: Sina Technology
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