In the sci-fi movie "The Pacific Rim: Thunder Re-emergence", the mechs of the mechs fought bravely and demonstrated the power of "black technology", which is very eye-catching. What AI Black Technology is in this movie? How far is AI technology in reality from cool science fiction? With these questions, the Science and Technology Daily reporter interviewed Chen Xiaodong, a science writer and secretary general of the Zhongguancun Rongzhi Special Robot Industry Alliance. Neural bridge connection makes people "sense" In the film, many drivers can use the "bridge" of the neural bridge to share the memory and freely manipulate the huge mechs. Can this unique way be realized in the near future? According to a report by Science Omega, a well-known foreign science website, the University of Essex and the NASA Jet Propulsion Laboratory are conducting a study to capture the brainwaves of two drivers using an interface that reads human brain waves. Thus, it is possible to operate the spacecraft only by brain waves. The question is coming - why do you need two drivers instead of one? "This may be because if you only rely on brain waves to operate the spacecraft, you need the driver's nerves to maintain a high concentration for a long time, and you must not relax for a moment. If the two drivers work together, even if one of them is a bit stunned, as long as the other person still Being able to concentrate on the state can prevent accidents," Chen Xiaodong said. Although it is not possible to implement complex human-machine connection operations as in the movie, if it can be mechanically operated by brain waves, can it further improve brain-computer coordination and accomplish desired mechanical actions? According to reports, the Wang Zhigong team of the Department of Radio Science of Southeast University has pioneered the international application of microelectronic devices implanted in mammals and connected to the interrupted central nervous system to promote the central nervous system (ie, with signal amplification and processing). Functional regeneration, this device is called "implanted microelectronic nerve bridge." In this way, through the "microelectronic bridge" and the wireless transmission system, the human nervous system can be connected with the robot information system that is thousands of miles away, and the remote robot can be controlled to perform the expected high difficulty according to the local human nerve signal, thereby realizing the special environment. Special task. Chen Xiaodong pointed out that in the future, special robots in space, deep sea, chemistry, high temperature, nuclear radiation, war and other environments will not only rely on pre-written programs plus artificial intelligence control, but also complete tasks according to preset steps. Instead, complex action instructions can be executed in real time depending on the situation. For practical life, in the future, people with disabilities can also control wheelchairs, robotic arms, etc. by brainwave alone. If Hawking is still alive, I am sure I will be envious. Robots have "dao" to survive underwater Most of the monsters in the film suddenly emerged from the deep sea, and the human mechs warriors had to fight with them in the raging waves. So, how is the development of robots deep into the water now? "Underwater robot is a highly technical and systematic project. The professional disciplines involved include five major technologies: intelligent control, underwater target detection and recognition, underwater navigation (positioning), communication, and energy. The underwater depth of underwater robots in the world is as deep as 8,000 meters, and China has reached 7062 meters. The main technical bottlenecks are sealing (involving materials), deep water communication, anti-pressure and the survival of underwater robots. Chen Xiaodong said. Some domestic scholars have shown that the failure of underwater robots due to sealing problems is higher than the probability of failure caused by problems such as electronic devices. Chen Xiaodong pointed out: "One of the key problems of sealing is the dynamic seal of the shaft, that is, the seal of the shaft protruding from the housing. It is divided into two types: static seal and dynamic seal. The former is relatively easy to solve, and the latter problem is more difficult. Solve that when the shaft rotates, there will be a leak due to the gap between the shaft and the casing, and the higher the medium pressure and the higher the rotational speed of the shaft, the more likely it is to leak." Chen Xiaodong introduced that there are two forms of underwater robot communication, wireless and wired communication control. Cable communication is a common practice, and cableless communication must be floating. Cable control is currently unsurpassed by underwater robots on the market, and it is also a barrier in the underwater communication industry. “In the water, the radio is disturbed and not as smooth as the sound. Especially in seawater, the high conductivity of seawater absorbs radio signals, causing severe attenuation of the waves, so the submarine usually needs to float to the surface to use the radio. The solution provided by most underwater robots is to connect cables on the fuselage to achieve signal transmission. In the film, the armor executes the command of the remote center in deep water, and in the current communication technology, this is like Myths are generally unattainable." Chen Xiaodong said.
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