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Guo Yi angrily asked, "Why can't I go?" You don't have back pain when you stand and talk, can you understand the helplessness and horror I felt just now? Can you relate to the feeling of not knowing if you're going to die? ......Hum! If you want to show you your skills, you want to test me? Who do you think you are? ”

Peng Huading nodded very understandingly, and said, "I admit that if you continue to do it, there may be a certain risk, but if you leave, the patient will die one hundred percent." Originally, you promised to donate bone marrow to save your life and do good deeds, and we are all proud of you, but in doing so, you became the murderer of him. If this really happens, I believe that you will have a lifetime of guilt and regret it for a long time. ”

Guo Yi asked angrily: "You say I'm a murderer?" ”

Peng Huading said without backing: "No matter what, the patients waiting to receive the transplant will die because you leave." ”

Guo Yi pointed to the device angrily and said, "Can I be blamed for this?" If there was no problem with the machinery, I would have ended my donation long ago. However, her momentum was much lower and she was not so determined to leave.

Peng Huading comforted with kind words: "Guo Yi, I know that you are scared and have suffered great grievances. But for the sake of that innocent patient, shall we wait a little longer? If I really can't fix it, let's go again. ”

Guo Yi is obviously also kind, otherwise she would not have participated in the donation, she suddenly covered her face and cried and fell on the bed.

Wang Lu didn't know what to do, so she persuaded her friends to stay or leave, so she had to accompany Guo Yi and cry softly.

Peng Huading immediately ordered the maintenance staff and vice president eagerly: "Please find me a laptop immediately!" ”

At this point, a reporter immediately said, "I have a laptop, is that okay?" With that, he quickly took off the bag on his back and pulled out his laptop from it.

Peng Huading took the computer, turned on the power, and asked the reporter: "Do you have a wire that can connect the Rs232 port?" ”

The reporter shook his head and said in his heart: Who is carrying that thing? Is it good to use Wi-Fi now?

The maintenance person next to him asked, "Do you want the conversion wire between the Rs232 port and the uBs port?" ”

Peng Huading said: "Yes. ”

The maintenance staff hurriedly said: "I'll get it, I'll get it." ......, though, this thing ......"

Now he has changed some of his attitude, maybe he also thinks of a person in the distance waiting for help.

Seeing Peng Huading's confident look, Xu Jixian's confidence also increased a lot, and he immediately said to the maintenance personnel: "Go get it immediately, what do you ask?" ”

When the maintenance personnel ran to get the conversion wire, Peng Huading skillfully manipulated the computer, and when a small black frame appeared on the computer screen, he quickly typed commands in it and quickly edited the online program that communicated with the controller.

What people around him don't know is that the technology Peng Huading uses is a sudden electromechanical technology, and he borrowed the handshake communication methods in the microprocessor online program modules in these new electromechanical technologies, and he even borrowed the relevant programming skills of the kB programming language.

Watching Peng Huading's fingers fly on the keyboard, the people around him showed a look of surprise: So good?

Several women, including Guo Yi and Wang Lu, were fascinated by his movements.

Before the shell of the separator was opened, Peng Huading was full of awe of this equipment as he was for other medical equipment, and not only was he not sure that it would be repaired, but he was even a little afraid to do it. But when he saw the situation inside, especially the control board and microprocessor inside, he suddenly had enough confidence with the new electromechanical technology.

It only took about five minutes, and Peng Huading, who studied computer applications in college, quickly completed this program, which did not have many sentences, but added a lot of advanced concepts and structures that were not simple online communication programs.

He first double-checked the program, then compiled the program, and when the compilation was completed, he confidently ran the little program.

Soon, a lot of codes, numbers appeared on the screen of the laptop.

Seeing this, Peng Huading sighed - the microprocessor of the laptop and the separator shook hands successfully!

After waiting for less than three seconds, a control interface appeared on the computer screen.

If there are people who know a little bit about control technology, they will know that this is a common microprocessor control interface in the field of electromechanical, and many handheld terminals often adopt this simple and practical interface.

Vice Dean Xu Jixian couldn't understand anything, but seeing that Peng Huading's face suddenly became relaxed, he hurriedly asked, "Is it okay?" ”

Everyone's eyes fell on Peng Huading's face.

The first experiment was a great success, Peng Huading was very excited, and began to believe in the electromechanical technology he had: just such a simple program to achieve the two sides of the chain, this technology contained in the control technology is really good. ......, is the mechanical technology it contains so good? Hehe.

He tried his best to control his feelings, nodded to Xu Jixian, who was full of anticipation, and said, "The computer has been connected to the separator. ......, I can know the cause of the failure right away. ”

After entering the control system of the separator and obtaining the highest control of the processor, it can be said that the problem of finding faults has been solved by half.

He quickly and carefully studied the content displayed on the interface and the program menu. After basically sorting out the general outline of the program, he checked the alarm function module inside, and soon found the cause of the alarm of this equipment: the blood pressure measured by a pressure sensor at the entrance of the blood pump was abnormal, and the alarm threshold value set in advance was passed, which led to the alarm of the processor and issued a shutdown instruction, so that the separator stopped running.

Using his computer knowledge, he quickly figured out the alarm generation mechanism of the separator: the sensor at the entrance of the blood pump obtains the blood pressure number jù and transmits it to the processor, which compares this number with the internal alarm threshold, and if it is abnormal, it will give an alarm, and once the limit value is exceeded, it will issue a shutdown command.

After that, Peng Huading entered the original number jù library and found the number of blood pressure measured by the sensor, and now the number jù saved in the last few minutes is very messy, which is very different from the number jù stored before.

After thinking about it for a while, he accurately judged the cause of the separator failure: the sensor at the entrance of the blood pump was broken, not only could not extract the number that reflected the real situation, but constantly submitted a large number of error numbers to the system, and the system diagnostic program sent out alarm information, so that the entire equipment stopped running.

It's a hardware failure of the sensor!

Hardware failure is the last thing Peng Huading wants to see, because he can't repair the hardware even if he has the previous mechanical and electrical technology, and the maintenance staff has also said that he has no spare parts in his hands for the equipment to replace.

However, he soon found a solution: software to solve the problem.

The so-called use of software to solve this problem is, to put it bluntly, to use the software to artificially and forcibly block the alarms, forcing the microprocessor's fault diagnosis program not to diagnose the number measured by the blood pressure sensor, or no matter what number of jù comes from the sensor, the microprocessor forcibly thinks that these numbers are normal.

Anyone with control technology knows that there are many ways to implement alarm shielding: such as changing the alarm threshold to enlarge the limit so that the limit does not become a limit; If you modify the diagnosis result, no matter what the input value is, the diagnosis result will output "normal"; For example, modify the alarm level of the alarm to prevent the alarm from taking follow-up actions on the system, and so on.

After determining the method and having the right to control it, Peng Huading revised the procedure after dividing it by two.

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