Ye Ming took over the remote control controller that was modified from a game controller, and quickly became familiar with the operation under Peng Xiaofei's introduction.
"The remote sensing module is not bad, who adjusted it?"
"The captain is responsible."
Ye Ming looked back at the captain Li Dongsheng and saw that Li Dongsheng and the deputy captain in charge of structural design Jiang Yongliang were discussing something seriously in front of the notebook.
Peng Xiaofei smiled and said: "This is the only advantage of our robots. However, RC competitions are now becoming more and more fully automated. Unlike the Mecha Masters competition, which relies on remote sensing and operation, Captain Li's skills have been buried.
"
Ye Ming nodded: "Well... But if you have skills, you won't be afraid of anything. Aren't we here to learn too?"
"Having said that, I still want to win a prize so that I can keep my graduate school." Peng Xiaofei felt a little emotional and a little depressed.
He is Ye Ming's roommate. Although they have only been together for half a year, he also knows that Ye Ming has started the "student master" mode since the middle of last semester - he stopped playing games, stopped reading novels, and even
I didn’t even touch movies anymore. I went to the library and study room every day, and I felt like I was in my senior year of high school.
As long as Ye Ming maintains this state of study, it is certain that he will be admitted to postgraduate studies.
But he is different. It doesn't mean that he, Peng Xiaofei, is worse than Ye Ming - everyone went to the same school based on their college entrance examination scores. How much difference can there be?
He just felt that it would be meaningless if he still behaved like he was a senior in high school after he was already in college.
It can only be said that everyone chooses to spend their college career differently.
At this time, Li Dongsheng waved to the two of them.
…
"Our team doesn't have enough people." Li Dongsheng smiled and looked at Ye Ming: "Ye Ming, you just said you planned to major in software engineering, have you learned Python in advance?"
"I learned it." Ye Ming was not modest, but nodded directly: "C, I know a little bit."
Li Dongsheng was obviously happy: "Okay, then the two of us will work on the upper machine. Xiaofei, you and Tao Zheng will work on the lower machine together and be responsible for the control at the same time. Is that okay?"
Ye Ming and Peng Xiaofei looked at each other and nodded at the same time.
The so-called upper computer refers to a computer that can directly issue control commands, such as a personal computer. The lower computer refers to a system that executes commands, such as a PLC, a microcontroller, etc.
For example, if a computer is connected to a printer, then the computer is the host computer, and the main control chip system of the printer is the slave computer.
The upper computer in the team is naturally the laptop in everyone's hands, and the lower computer is the robot's STM32 microcontroller.
"Ye Ming, let me introduce you to him while I have some time."
Because Ye Ming didn't bring his laptop, Li Dongsheng pulled him to sit in front of his laptop: "I just saw you and Xiaofei try our robot. Can you understand what's wrong with our robot?"
Li Dongsheng asked, but found that Ye Ming didn't answer for a long time. He tilted his head in confusion and saw Ye Ming staring at his screen with a strange expression on his face.
——On his screen, a certain frame of "I spent a month making a robotic arm that can play table tennis" was paused.
This screen is the source code interface of Python.
"You haven't seen this video?" Li Dongsheng asked curiously.
"Uh..." Ye Ming suppressed his complicated emotions and nodded honestly: "I've seen it..."
It took him a day to cut out this video! And it was also cut extremely thinly...
"Captain, I think there may be two problems with our robot. One is that the visual robustness is low, and the other is that the obstacle surmounting function is not good." In order to prevent Li Dongsheng from asking about the content of the video again, Ye Ming answered quickly.
Robustness is actually the transliteration of Robust - but when used in the field of robotics, it does not refer to how durable the robot is, but to its ability to resist interference and emergencies.
Low visual robustness means that the robot cannot make accurate judgments if there is a slight interference from other objects, leading to mission failure.
Bang! Li Dongsheng slapped his thigh: "That's right! It's these two! That's why I want to see Brother Xiao's solution." As he said this, Li Dongsheng also looked at the computer screen.
——Small Brother, this is the nickname given by netizens to the author of "I spent a month making a robotic arm that can play table tennis" because this guy's name is very funny.
It’s called “tick-tick-tick”.
"It's a pity that this guy talked about open source, but there was no movement at all, not even a update." Li Dongsheng's face was filled with regret.
Ye Ming's eyes widened when he heard this.
Feelings...are you waiting for yourself?
At this time, the voice of deputy captain Jiang Yongliang sounded next to him: "Captain, don't even think about it if I don't think so. Just look at B."
Ye Ming and Li Dongsheng turned their heads at the same time: "What's wrong with Zhihu?"
"Brother Trumpet is on the hot list."
…
…
Zhihu, a question and answer platform for sharing knowledge. In the early years, there were a large number of answerers such as "I make a million a year", "I am in New York and just got off the plane", "I am in the top 3 universities", "I am working in the top 500" and so on...
So he was jokingly called B Hu.
Pretend to be B.
Ye Ming also has it in his mobile phone, but he hasn't opened it for a long time.
After clicking on the hot list and scrolling down a few times, the question "What do you think of the robotic arm work of the author 'Didi Tick Tick' at Bilibili? Compared with the genius boy, who is more powerful?" The question instantly came into view.
Ye Ming felt his face heat up, and he quickly walked aside with his cell phone.
This question has only been on trending searches for a while, and there are only a few dozen answers, but the top answer already has hundreds of likes.
"What to see with? See with your eyes.
I took a look at the video, and the author claimed that he independently completed a six-axis robotic arm in one month. He didn’t show his face during the whole process, and he didn’t do dubbing. I thought he was shy. But whether he was designing a PCB or coding,
Regardless of the code, there is no process at all, it is just a display of the finished product.
Of course, he didn't forget to take a picture of the machining process.
But here comes the question, does the robotic arm need machining capabilities?
It is said that the cyber thimble has raised him up, but the low-end version is handmade.
These days, I don’t even act anymore.”
Ye Ming took a deep breath, his heartbeat began to accelerate, and he clicked on the comment that should be answered.
Not surprisingly, the more than twenty replies were all supportive of the respondent.
He gritted his teeth and continued to slide to the next answer.
"Interest related, a former member of the RC team of a certain 985 school, responsible for the electronic control part.
Maybe everyone has no idea about the function of 'robotic arm playing table tennis'. Let's put it this way, according to the accuracy and ability shown in the video, replace the table tennis ball with a badminton, then it will be the brightest kid in the 2015 National Robot TV Competition -
—In 2015, the badminton robot of the University of Electronic Science and Technology of China also used human binocular vision. It was one of the strongest, and then it swept thousands of armies.
But please note that Dianke's robot is not a robotic arm with six degrees of freedom! It is just a three-axis robotic arm installed on an automatic program-controlled vehicle to swing a racket!
Therefore, I do not believe that the author can independently complete a mechanical arm that can surpass the badminton robot in terms of comprehensiveness in such a short period of time."
…
"Look, what I said before was right, right?" Vice-captain Jiang Yongliang saw that Li Dongsheng had also clicked on the Zhihu page. He leaned back on his chair and said with a smile, "I told you to let the bullets fly for a while."
Li Dongsheng frowned deeply, and after a few seconds of silence, he took a long breath.
As a junior student, he also hangs out on Zhihu, and he also knows that those who pretend to be cool on Zhihu are not trustworthy, but those who troll others...
Generally speaking, there are two brushes.
In particular, some of the people who praised it were very reasonable and well-founded.
He is also a member of the old RC team who has been playing games since his freshman year. Now he has taken over the responsibilities of captain, so he naturally knows how much engineering is required for each function.
Take the boss who built the robotic arm at Station B as an example. Although he used his spare time, he worked on it for four months - don't think that four months of spare time is not as good as one month of concentrated time.
Sometimes when doing projects and debugging, you need inspiration.
Not to mention that machining, plate making, and purchasing all take a lot of time.
Therefore, Li Dongsheng also felt that the trumpet brother could not have been made by one person. At least the relevant algorithms and codes were not original to him.
Otherwise, why would he say open source but not open it?
"Well, it's okay. If we can't learn from it, we can do it ourselves." Li Dongsheng quickly laughed, looked at the time and stood up: "Let's go, let's have dinner first!"
As the captain, of course he must show full fighting spirit.
Just then, a voice suddenly sounded.
"Captain, leave the visual positioning and motion trajectory prediction algorithms of the ball-throwing robot to me."
Li Dongsheng turned around and saw Ye Ming holding his cell phone and walking slowly over.
His face was a little red.
"Are you okay?"
Jiang Yongliang looked at this newcomer who had only joined for less than half a day, with confusion on his face.
Although I know that this guy has the ability to teach postgraduate entrance exam math questions to juniors, this kind of "small town problem solver" ability is really nothing in the field of engineering.
"I think... I should be able to do it." Ye Ming took a deep breath and exhaled slowly.
Seeing everyone looking at him at this moment, he suddenly felt a little nervous.
"The little guy who makes the robotic arm you are talking about... is me."
——He came to Robot Team not only for tasks, but also to make use of the resources in the team.
For example, there is a 3D printer next to it, as well as a series of tools and equipment.
Besides, that table tennis robotic arm was originally made by him.
From design to coding, from machining to assembly and polishing.
His family originally ran a machine processing workshop in the town!
Even without a system, he learned how to turn screws three years ago!