In the virtual laboratory, with the assistance of Zhou Xiaozhi, Zhou Xing designed the direction joints of the robot joints.
To make the robot's movements "softer", it is not enough to rely solely on the support of the "smart chip" drive system. It is also necessary to start with the hardware and redesign the robot's structure.
The flexibility of human hands and feet is the result of the cooperation of joints, ligaments and muscles. Robots rely on the precise cooperation of gear nodes, universal joints, hydraulics, support levers... and other components, coupled with smart chips to drive the body, to make the robot move. To become flexible, the universal joint is a very important component.
Zhou Xing and Zhou Xiaozhi stood aside and carefully observed the experimental test of the same robot as Baisha.
The robot's walking and pouring water movements were much smoother than its previous movements, but Zhou Xing was still not very satisfied.
The robot's bulky body always makes it stiff when it moves, causing the overall movement to be uncoordinated.
Seeing Zhou Xing shaking his head, Zhou Xing Xiaozhi standing aside quickly said: "Boss, it is recommended to use a lighter metal material to replace the universal joint. If it can be replaced together with the rotating axis, otherwise, this situation will always exist. ."
“The rotating axis is an important part of the robot, directly bearing 45% of the robot’s weight, and the universal joint is an important component connecting the rotating axis. The excessive weight of the universal joint made of metal directly affects the high-speed and high-dynamic performance of the robot; However, the use of Qifei metal universal joints will inevitably cause other problems due to the lightweight material, resulting in smaller torque and acceleration on the robot, affecting its high-speed and high-dynamic performance. Therefore, Xiaozhi feels that it should be replaced with a suitable new metal Materials can be used to make the rotating shaft and universal joint of the robot." Zhou Xiaozhi suggested to Zhou Xing.
Zhou Xing frowned. Commonly used metal materials for manufacturing robots include: stainless steel, aluminum alloy, alloy cast iron, sheet metal, etc. There are also many non-metallic materials and composite materials. According to functional classification, they can be divided into structural materials, coated materials, etc. Loading materials, controlling materials...etc., there are countless categories.
The rotating axis and universal joint are the core components of the robot. If the use of new materials can solve the problem of stiff robot movements, it would be worth trying to develop them.
After thinking clearly, Zhou Xing asked: "Xiaozhi, what materials do you recommend for the rotating shaft and universal joint?"
"Boss, it is recommended to develop Ti alloys. The structural problem of multi-phase nanoscale layering makes Ti-based alloys have excellent development potential. A Ti-based alloy with strength, high elasticity, lightness and processability can be developed, which is suitable for Make rotating shafts and universal joints." Zhou Xiaozhi suggested to Zhou Xing.
Hearing this, Zhou Xing frowned and asked with a wry smile: "Are there no ready-made Ti-based alloys to use? Do you want to develop new materials?"
Materials have always been the core for humans to manufacture various machines, components and equipment. They are the cornerstone and milestone of human civilization. There are currently 500,000 materials and more than 8 million synthetic compounds in the world. Every new material The discovery, development and utilization of science and technology are all symbols of the progress of human civilization and have huge influence.
However, even with the existence of a micro-particle environmental reaction chamber that is almost cheating, developing a new material is not that simple. Even if the formula for the development of Ti-based alloy materials is successfully found, the next step is to develop a Ti-based alloy production process. Vacuum smelting environment, Ti-based alloy production process, and equipment...etc., the whole set of projects is an extremely time-consuming project.
"Boss, Xiaozhi has screened it! There are several Ti-based alloys suitable for manufacturing rotating shafts. However, based on your requirement for the number of nodes in the universal joint, Xiaozhi cannot screen a suitable Ti-based alloy." Zhou Xiaozhi frowned. Face replied Zhou Xingdao.
The number of nodes in a robot's gimbal is related to the delicacy of the robot's movements. The fewer nodes, the stiffer the robot's movements will be. Likewise, the manufacturing difficulty and cost will also be reduced linearly. However, Zhou Xing is very interested in the robot's movements. Things have always been striving for excellence. If there is a hint of improvement, he will definitely find ways to overcome it. This is a habit he has developed unknowingly after becoming a scientific researcher.
Zhou Xing calmed down and ordered to Zhou Xiaozhi: "Xiaozhi, screen the development formula of the new Ti-based alloy, and I will take it to the reaction room for testing."
"Okay, boss!" Zhou Xiaozhi responded happily.
Even if research is a monotonous and boring thing, it is a very happy thing for Zhou Xiaozhi, because with new research projects, Zhou Xing will stay in the laboratory longer and accompany him for a long time. .
Soon, two waterfall-like data streams flew past Zhou Xiaozhi's black eyes. Tens of thousands of Ti-based alloy element combination changes were continuously simulated and checked to select suitable Ti-based alloy development formulas.
…
Peking University, Department of Computer Management, Room 318, Girls’ Dormitory Building, girls’ laughter and screams for mercy could be heard continuously.
"Okay, okay, I agreed, please let me go! I agreed! Don't let me go, 5555..." Under the six "devil's claws", Tang Xin begged for mercy.
At this moment, Room 318 was divided into two camps. Tang Xin was "fighting alone" and unable to resist the "three female bandits".
"You little goblin, you took advantage of us unprepared and got away from someone so quickly. We are still worried about you. Please be frank and tell the truth. Have you gone one step now?" Guan Xiaoyu rode on Tang Xin's neck. He pressed her hands on her belly and asked.
"That's right! You were taken down so quickly! You are too useless. Men don't pay attention to things that are too easy to get. If you are dumped by him in the future, I will see you crying there." Liu Zihui squeezed. Tang Xin's cheeks were full of advice as if she had been through it before.
"Yes! Xiao Xin, Zhou Xing's status is extraordinary. He is handsome and rich. He controls a big company and must be surrounded by beautiful women. You have to be careful and don't suffer a loss then!" Zhang Xiaofei said with a worried look on her face. advised.
"You... it's not what you think, we just held hands." Tang Xin's face turned red and she shook her head and argued.
"Humph, just hold hands? Then why didn't you come home last night? You guys held hands all night long! Do you think I'm a child?" Guan Xiaoyu stared at Tang Xin with wide eyes.
"I didn't see him last night. My dad really came to the capital! I went to pick up my dad. It's true." Tang Xin smiled bitterly and said seriously.
"Hmm! Really?" Guan Xiaoyu looked at Tang Xin's face and asked doubtfully.
"Uncle is coming to Beijing! Why don't you take him to visit the school?" Zhang Xiaohui asked, somewhat believing Tang Xin's words.
"My dad came here to do something. He will come over after he's done." Tang Xin replied quickly.
"It's been a long time, and it turned out to be a mistake!" Liu Zihui breathed a sigh of relief.
"If we didn't make it clear in advance, we would have been worried all night." A trace of embarrassment flashed across Guan Xiaoyu's face, and he quickly changed the subject and said, "When will that kid come over? He kidnapped all the beauties of our class and didn't invite us. It’s outrageous to have a meal to make up for it!”
"You come down first, I'll ask later." Tang Xin glanced at Guan Xiaoyu in shame and begged.
"Hehe!" Guan Xiaoyu chuckled, turned over and got off Tang Xin.