"Xiaohui went back to Factory 82 this time, and she really got an unexpected harvest. ”

At Tang Zifeng's house, Xiao Wenjun said to Tang Zifeng on his laptop. She had just finished an online technical discussion with Yu Xiaohui, and she was quite emotional about Xiaohui's new ideas.

"It's called a fool's luck. Tang Zifeng said with a smile.

It turned out that when she heard Zhao Jinquan talk about the system engineering method that day, Yu Xiaohui was keenly aware that this should be the key to solving the problem that had plagued her for a long time. She humbly asked Zhao Jinquan for advice, and then learned that this unremarkable master was the deputy chief engineer of a key model of the aerospace system 30 years ago, and later suffered from severe neurasthenia because of excessive use of his brain in scientific research, so he left the design post and went to the logistics department to hang up a leisure job to recuperate.

This time, the 82 factory arranged for him to work in the 404 workshop, which was originally intended to let him support the engineers of the local machine tool enterprises. But the old man insisted that the factory not reveal his true identity, only that he was a retired worker. The old man's idea was that he had been out of technical positions for many years, and his knowledge was a bit outdated, and if he had the title of an expert or consultant to work with engineers, it might cause some distraction to others.

He disguised himself as an overzealous janitor, watching the engineers at work. He saw some problems, but he didn't come forward to communicate with the engineers personally, but told his gains to a few apprentices in the factory, so that the apprentices could communicate with the engineers.

Zhao Jinquan's apprentices, but they are all 82 factory senior workers, they come forward, Guan Yong and others are naturally very important, but also often feel at the high level of technology in the 82 factory, these senior workers just go to the workshop to go around, you can find such a profound problem, the opinions put forward are also very targeted, to give everyone a lot of inspiration.

Yu Xiaohui is the youngest technician in the workshop and the most diligent one. Zhao Jinquan noticed this little girl from the beginning and decided that she was a manufacturable material. He patiently waited for Yu Xiaohui to think hard about the accuracy of the domestic boring machine, until he felt that the opportunity was ripe, and then stepped forward to break the key to the problem.

In the following period, Zhao Jinquan began to systematically introduce to Yu Xiaohui the experience of the aerospace department in systems engineering. Although Zhao Jinquan left his technical position more than ten years ago, he did not stop studying and researching for a moment. Because he is not entangled in mundane tasks, he even has a deeper technical understanding than the engineers on the front line of design.

Yu Xiaohui's solid technical foundation and talent are intelligent, Zhao Jinquan understands the tricks in systems engineering with a little stroke, and sometimes even draws inferences from one case to another, and asks Zhao Jinquan some questions that he himself has never thought of.

With systematic thinking, Yu Xiaohui jumped out of the previous idea of blindly imitating PATEO machine tools, and instead started from the final functional requirements of the machine tool, regarded the machine tool as a whole, and analyzed the requirements of each functional module and each component from top to bottom.

Yu Xiaohui had such an insight, so she naturally wanted to report to Xiao Wenjun. In fact, her scientific research work in Factory 82 has always been guided remotely by Xiao Wenjun. Of course, this is to take into account the secrecy requirements of military enterprises, and there is no need to elaborate on the details.

The application of systems engineering methods in China can be traced back to the 50s of the last century, and in the 80s, there was a boom in the application of systems engineering methods in China.

The machine tool design industry has been using system engineering methods for a long time, but most of them are superficial, wearing a layer of system engineering skin, in fact, it is just to do some functional analysis, cost analysis, etc., and the ingredients of the show are far more than the actual value. Yu Xiaohui also studied systems engineering in school in the past, but when it came to specific applications, she didn't know where to start.

The aerospace department was the first department in China to apply the methods of systems engineering, and it is also the department that has studied systems engineering most thoroughly. Just as Zhao Jinquan said to Yu Xiaohui, the space sector has always used imperfect components to manufacture world-class satellites and carrier rockets, and the strong system integration capability is rare in the world.

Perhaps it is due to the need for secrecy? Or perhaps the technical threshold is too high? The outside world knows very little about the know-how of the aerospace sector in the application of systems engineering. This time, in order to help the military industry department develop high-end machine tools, Yu Xiaohui came to Factory 82 and got the opportunity to learn system engineering methods on the spot. The person who taught her these tricks was the former boss in the aerospace department, which can't help but make people sigh at her good luck.

"Xiaohui is not stupid. Xiao Wenjun said, "She is a good person and has a good reward." Other young people are reluctant to go to Factory 82, worried about delaying their future, Xiaohui is to repay you, so she voluntarily went to Factory 82 incognito. Now such an opportunity is also what she deserves. ”

"Why do I think you're a little sour? Otherwise, I'll ask the group to send a letter and send you to Factory 82 to learn from Old Zhao Tou, how about it?" Tang Zifeng said deliberately.

Xiao Wenjun reprimanded: "Xiaohui is my student, what is so sour about me? If I want to go to Factory 82, I still need you to open a letter on the spot? Our letter from Tsinghua University is not as effective as the letter from your small company? ”

"Really, why do I think that after Professor Xiao became a mother, he was a little unenterprising?" Tang Zifeng said.

"Is there one?" Xiao Wenjun raised his eyebrows and looked at Tang Zifeng and asked.

Tang Zifeng nodded and said, "Is there a little bit? In the past, you had to take a copy of literature to read when you ate, but now when you come back from the laboratory, you will see the baby first, and you will take the baby out to play on weekends, it seems that it is not as homely as in the past." ”

Xiao Wenjun smiled: "I didn't stay home." Think about it, in the past, in order to save money to buy a notebook, I went to Linhe to be a teacher for you, can this be regarded as a house? Xiaoxiao and Yidan both told me that technology is inexhaustible, and children say that they will grow up when they grow up. Don't spend more time with him now, when he grows up, we want to play with him, and he won't play with us yet. ”

Speaking of this, she turned her gaze to her son, who was sitting in the corner of the living room and laying blocks, with the kind smile of an old mother on her face.

"Ha, it turns out that Professor Xiao also has such a literary side. Tang Zifeng said with a smile.

Xiao Wenjun raised his head and said, "I'm already very literary and artistic, am I following you, a layman, and I'm getting tacky day by day." ”

"Alas, science students call themselves literature and art in front of liberal arts students, the world is swollen......" Tang Zifeng sighed with boundless emotion. He is a liberal arts student, but his name is not true, Xiao Wenjun's poems are better than him, and his literary talent is only reflected in writing research reports.

This kind of bickering between young couples is actually the spice of life. Tang Zifeng and Xiao Wenjun are both dragons and phoenixes among people, they are assertive in everything, and they know each other very well. Tang Zifeng said that Xiao Wenjun did not want to forge ahead, it was purely a joke. Xiao Wenjun has made many achievements in the past few years, he is already a full professor at the age of 30, and he is well-known in the academic and practical departments.

"Seriously, Zifeng, I've been a little dissatisfied with what I've made lately. ”

After saying the joke, Xiao Wenjun changed his serious expression and said to Tang Zifeng.

"Why are you not satisfied?" asked Tang Zifeng.

These two people, one is doing technology, the other is doing management, although Tang Zifeng is the general manager of the machine tool company, but the research done by Xiao Wenjun is basically a black eye. The literature Xiao Wenjun read, even if it was in Chinese, was like a book from heaven in front of Tang Zifeng.

However, whenever Xiao Wenjun encounters any technical bottlenecks, she still habitually wants to nag with Tang Zifeng. She found that although Tang Zifeng did not understand technology at all, sometimes a few words of layman's words could bring inspiration to professionals. At the end of the day, everything in the world has a common truth, and the ideas of intelligent people are useful in any field.

Xiao Wenjun said: "We have done machine tool research in the past, saying that it is to catch up with the international advanced level, in fact, it has always been with a kind of catch-up thinking, that is, trying to follow the road of foreign countries and crack their technical know-how."

"This time, Xiaohui told me that Chief Engineer Zhao gave us a harsh criticism of this way of thinking, saying that we should not follow the trend of others, but should start from our own needs and make a system by ourselves. Xiaohui said she was very inspired.

"I thought about this question back when I was a PhD. But at that time, we were limited by domestic conditions, and we couldn't do it if we wanted to. The demand put forward by various industries is to let us imitate foreign countries, and even directly to the localization of foreign machine tools. For example, this time the 04 project, in the final analysis, is to imitate foreign machine tools, and there are not many innovative components.

"But now, we're getting closer and closer, and some areas are basically on par with foreign countries. At this time, according to the original method, just thinking about catching up, there is no way to go on. Because there is no goal at all ahead. ”

Tang Zifeng looked at Xiao Wenjun in surprise, and said after a while: "You actually feel this way?" Chief Engineer Qin told me about this problem a few days ago, he said that we used to engage in machine tools, and we were all doing reverse design, and now it is time to engage in forward design. I was thinking about telling you about it when I got back, but when I got busy, I forgot about it. ”

"That's right, that's what Uncle Qin meant, it's time for us to start working on positive design. ”

Xiao Wenjun said seriously.