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In order to design and produce a perfect robot replacement, Mou Yiyi consulted extensively on the data. He learned that at present, many universities and colleges in Japan, South Korea, Spain, and China have developed R&D work for “climbing wall robots†suitable for high-altitude operations. Some have also been put into use. However, "Current wall-climbing robots have the disadvantages of large size, inflexible action, high cost, inaccurate movement, and unstable adsorption." To address this situation, Ms. Yi believes that wall-climbing robots, as a new type of special robot, have a lot With a wide range of development prospects, he decided to develop a step-foot climbing robot with small size, stable adsorption, and accurate movement. Features of the work: The robot wall can roll and go. 耿 Yahoo hopes to develop a wall-climbing robot with a compact size, simple structure, flexible movement, and multiple walking modes But how can the robot move quickly and flexibly on the wall? When he was playing chess with his family at one time, the rolling of the pieces inspired his inspiration: the robot could roll over the wall! He designed the "three-stage" structure - the robot consists of three segments: "sucker foot - robot body - sucker foot". The sucker foot's rolling can drive the robot to move on the wall. However, when the robot rolls forward, it is difficult to grasp the changes in direction and angle. In particular, Nguyen Duiyi also hopes that robots can help people do some indoor work in addition to working at heights outside the home. This requires more accurate methods of travel. So, he designed a second way of marching - "two-legged alternating". “A steering gear is placed on both ends of the main body and in the middle of the two suction cup feet, so that the robot has four degrees of freedom. This design allows the robot to move accurately to any position on the plane.†“This robot is actually a Advanced vehicles can add different components to the main body to complete different tasks.†Yoshitani said, it also has the following features: flipping walking on the wall; walking on the wall with alternating feet; crawling on the wall; precise turning and moving on the wall Strong adsorption capacity; precise distance measurement, through the ability to automatically complete tasks such as any angle surface transformation. In addition, it weighs no more than 2kg and can work remotely via Bluetooth or other means. He hopes that this robot can play a role in reconnaissance, exploration, monitoring, anti-terrorism, wall cleaning and other fields. Difficulties in creation: precise debugging and demonstration of “artisan spirit†Yan Yizheng told reporters that the small vacuum-adsorptive step-footed wall-climbing robot he designed uses a vacuum pump to convert vacuum into sucker suction so that the robot can adsorb on the wall. The hardest thing in the implementation of the entire design plan is the continuous debugging and consideration of the three parameters of the steering gear's torque, vacuum pump suction force and suction cup size. “The irrationality of any one of these parameters may cause other parameters to fail to meet the standard. For example, if the vacuum pump is too heavy, it may cause the servo to be underpowered; if the angle of rotation of the servo is slightly misaligned, it will result in The suction cups were not able to accurately absorb the wall surface. Therefore, I had been tangled for a long time in the adjustment of the three, replaced many sub-assemblies in the middle, and also broke a basically completed robot. It took a lot of cost and time.†In the final of the competition, a judge used "artisan spirit" to evaluate the robot's work. Yung Yip-yin himself also said that the robot's structural design is very elaborate and takes a lot of thought. "I am very proud of myself." Because the distribution of parts is very irregular, it is very complicated to design them to be fixed together. Therefore, Nguyen Nguyen originally planned to use 3D printing to complete the appearance of the robot. However, soon, he dismissed the idea that "3D printing is too expensive and requires more money than all other accessories." So, Yi Yi decided to measure, cut, and produce. "Every hole is Each of the parts is assembled by hand.†The most difficult part is the fixing of the suction cups. Since the suction cup is the main part of the robot's force, fixing with glue alone does not always work. what should I do? After a series of hard-witted thoughts, Ruan Yifan finally took the initiative: "You can use the traditional Chinese ancient connection method - the gong structure." In the body of the robot, you put a hole in it and put the sucker into it. "Even glue doesn't have to be painted." It is very solid.†Project Prospects: “Second Generation†Robots Are More Intelligent “In the past, humanoid robots were very expensive and high-end, but with the advancement of science and technology, it has now entered people’s homes. Similarly, Now that wall-climbing robots are still very niche, I hope that one day they will also play an important role in people's lives.†At present, robots have been able to control wall roll, bipedal walking and turning, etc. through mobile phones. . He hopes that in continuous improvement, he can also remotely operate the robot to perform more precise actions. “For example, by entering an angle on a mobile phone, the robot can achieve precise rotation; by entering a coordinate, the robot can automatically move to the corresponding position. “Yue Yat-chae said that now this robot is just a “prototype,†and there are still areas for improvement: for example, it can only be run on a wall with a fixed friction, a glass plate, or a plastic plate. “If the plane is smoother and rougher, Or the wall conditions are even worse, they are not easy to absorb." "The next step I hope to make the robot more intelligent," said Nguyen Nguyen, suggesting that the robots that have been completed so far have been prototyped and designed to produce improved versions of the "second On behalf of the robot." By replacing the more powerful accessories, the robot is able to work on a more "bad" plane.
Let robots work Spider-Man's high-altitude operations
"My family lives in high-rise buildings. Every year, there are city spiders who clean the exterior walls of tall buildings. I think this is very dangerous." How can we make high-altitude operations no longer scary? A petite, mobile and precise “step-foot climbing robot†designed by the second-grade senior student of Peking University in Beijing can be used as a substitute for “Spider Man†to solve problems for humans. His project won the high score of the senior high school team in the 2016 National Youth Popular Science Innovation Experiment and Contest. Source of inspiration: Robot replaces “spider man†Yung Yip-soo says that with the increasing height of city buildings, the operation of external walls has not only become difficult but also full of danger. This is exactly the source of his work's “inspirationâ€: designing a special robot that can move on the wall can replace some difficult and dangerous tasks for humans. “Using robots to complete difficult work at high altitudes, which is not available to humans. Many advantages, such as small size, low cost, no physical problems such as fatigue, etc."