Chapter 283 Solving Joint Problems



But overall, he is still a professional manager.

Everyone knew that Cook was not to blame for this, so they just mentioned it and moved on without further ado.

The conference room was silent. No one spoke anymore. Everyone was thinking about their own things.

"Cook, now the Weihua, VI, PO, and rice of the Flower Growers have united. You can put the European and American regions aside for now, but if there is no good countermeasure for the Flower Growers market, you should know the consequences! It will definitely be a disaster!"

"I know this is a very troublesome matter. No. 9 Technology is a flower-growing company." Cook felt a headache.

I have already started cursing MMP in my heart. It is you consortiums that are causing trouble. You have been coveting other people's technology, and now that problems have arisen you want me to deal with it. How should I deal with it?

"Then develop it yourself. We have the most powerful experimental equipment in the world."

“The best supporting facilities and management team.”

"Even if our most powerful Eagle Sauce cannot be permanently uncharged, it should still be possible to increase its cruising ability."

"......"

His gaze returned to Liu Chi.

After the press conference, Liu Chi took Ye Yuxin out for a meal and then returned to the company.

Continue the robot business.

Zhang You came over.

"What's the matter?" Liu Chi looked at Zhang You puzzledly and asked.

"Boss Li and Engineer Wang are looking for you." Zhang You said.

"Did he say anything?" Liu Chi then remembered that he hadn't heard from Mr. Li Jiang for a long time.

"It seems they have completed the experiment and are here to say goodbye."

"Okay, bring them to my office to sit for a while. I'll finish processing the parts and then come over. Please ask them to wait for a moment." Liu Chi said after thinking for a while.

"OK."

"......"

Fifteen minutes later.

Liu Chi returned to his office and saw the four people sitting on the sofa. He greeted them, "Hello, Mr. Li, Engineer Chen, and Engineer Wang!"

"Mr. Liu, I'm sorry to bother you while you're doing your experiment."

"It's okay. How is it? I heard from Zhang You that your project is completed?" Liu Chi asked after he asked after he asked after he picked up the cup and poured a glass of water.

"Yes, we can proceed to the final assembly. After countless verifications and modifications, there shouldn't be any problems this time." Li Jiang thanked Liu Chi and said, "Thank you. Otherwise, we wouldn't know when this project could be completed."

"It's a small effort, but it can accomplish something great." Liu Chi was also happy for the three of them.

"All the parts have been completed, and we have rushed back to assemble them, so today we are here to say goodbye."

"It's okay. Your work is important. If you need any help, feel free to call me." Liu Chi also knew that people like Li Jiang were all workaholics. It was already a great honor for him to come up and sit and drink tea for half an hour.

"Don't worry, I'll call you if I need anything." Li Jiang said without further ado: "Then we'll leave first."

"Okay, I'll take you there." Liu Chi also stood up with the three of them.

"......"

After Liu Chi sent the three people away, he went to take a look at the super-large five-axis machining center for a while. Not bad, it was all cleaned up.

I just don’t know who will come in later.

I don't know how I built it.

I'm busy working on robots now and don't have time to take care of this machine tool, so I have to put it aside for now.

......

Time is like a comb!

Half a month later.

Liu Chi breathed a sigh of relief as he looked at the assembled robot in front of him.

The first samples are finally out.

It's even more difficult.

Next is the difference test.

It’s mainly flexibility and intelligence.

There will be basically no other problems.

First try the 24-node joint technology to see if it can meet your requirements. Liu Chi picked up the USB flash drive and installed the intelligent control system.

One hour later!

Liu Chi frowned, looked at the clumsy robot, and sighed helplessly. Although he knew that the chance of failure for the first time was relatively high, it was still too far away.

If there is a problem, you have to find a way to solve it.

You don't need to look to know that the problem lies in the joint technique.

For the human body, the coordinate change of the joints is very simple. As long as the current joint is multiplied by the node rotation matrix and the child node offset matrix, the coordinate transformation from the node to the child node can be completed.

However, the coordinate transformation of robots is not that simple. Robots are more complex than humans, mainly in two aspects:

1: The human joint is a spherical structure with three degrees of freedom; while the robot joint generally has only one degree of freedom, so using a robot to simulate a human wrist requires three joints.

2: Human joints are connected by arms, and the distance between the two joints does not change during rotation; however, the connection between the joints of robots is more complicated.

Liu Chi opened the design drawing of the robot!

Enlarge the joint rotation part.

These are two revolute joints that rotate around two axes respectively;

Moreover, the two joints are not directly connected, and the length of the connecting rod between the two joints is not fixed or not a straight line.

Here comes a problem!

It cannot directly multiply the rotation matrix and offset matrix to perform coordinate transformation like in human body animation.

This looks pretty complicated, and it makes the coordinate transformation really complicated.

Half an hour later, Liu Chi's eyes lit up!

An idea came to my mind, so I pulled a piece of paper from the table, sat down and picked up a pen.

This chapter is not over yet, please click on the next page to continue reading!

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