Although different aircraft have different flight control rates, all the ideas are the same, and if one model is successfully developed, another model will continue to emerge.

Even, the special stability machine is to input different control rates to simulate the flight characteristics of different aircraft, so as to achieve the purpose of studying the flight laws of many aircraft by one aircraft.

"Now, the hardware of our flight controller has been developed, and we have specially built a stabilized machine." Song Wencong said: "We used Jianjiao VII to modify a fly-by-wire controlled stabilized aerial test aircraft to carry out the implementation of the fly-by-wire system. ”

Historically, it was modified from the J-6, and now, in order to speed up the progress of the real Yàn, Chengfei modified a J-7 to use the real Yàn, the front cabin was modified into the review test pilot cabin, and the rear cabin with fly-by-wire control system was the safety cockpit, while retaining the original mechanical control system. The lever between the two cocksticks is controlled by an electromagnetic clutch to coordinate fly-by-wire control and the disengagement and engagement of the mechanical longitudinal front and rear levers. In this way, when the fly-by-wire operation is carried out, once the fly-by-wire operation fails, it can be controlled by mechanical operation through the emergency cut-off switch. This is also the reason for the choice of the two-seat Jianjiao VII to refit, it is equipped with a digital pneumatic stabilization system, an analog electro-hydraulic servo sensing system, a digital target tracking and display system, an airborne data collection and recording and telemetry transmission system, an experimental signal amplifier, an atmospheric turbulence signal generator and various sensors, converters, electrical and hydraulic accessories and other components, and has now completed the hardware development and is ready for test flight.

"Telex operation is a new thing, and in foreign countries, many fighter planes have broken down one after another when using fly-by-wire control. We must not make the same mistakes and act according to the laws of science. Mhammad said: "Fly-by-wire operation, hardware is very important, software is even more important, how is the progress of your software?" ”

For telex. The pilot no longer controls every rudder surface, the pilot pushes the operating stick and inputs signals to the flight control computer, and the flight control computer judges the pilot's intentions and controls each rudder surface to move.

Hearing such a professional question from Mhammad, Song Wencong said, "Now." We are increasing our efforts to overcome this difficulty, but this is a new system, we lack enough professional talent, and we also lack leaders, and I want to take the lead and overcome this together. ”

Lack of leaders. Song Wencong was the general designer of the aircraft, and at the same time. He also has to take the lead in the development of take-off control.

There is not much left to study, the engine, avionics, these difficulties have been overcome, and there is only one fuselage left. The most important thing is this flight controller.

However, after all, this is the design of the fighter, and there are all kinds of things to consider, the chief designer. Generally, they are not in charge of a specific item.

Hearing Song Wencong's words, a person suddenly popped up in Muhammad's mind and said, "Aren't there people named Yang Wei here?" ”

Yang Wei, a famous person in later generations, because he is the pillar of Chengfei and the chief designer of J-20!

Born in 1963, he graduated from Northwestern Polytechnical University with a master's degree in aerodynamics and flight mechanics in 85, and was assigned to work in Chengdu Aircraft Design and Research Institute of Aviation Industry of China in the same year. Now, he has only been in Chengfei for a year, and he is still young, just a new researcher.

But Mhammad knew that he was a young engineer, full of ideals and ambitions, and had the drive to study hard. Back then, when developing the J-10, he was the organizer and pioneer of the fly-by-wire flight control system. In the absence of any experience to learn from in China, on the basis of consulting, figuring out and thoroughly understanding a large number of technical data, he led other technical personnel to carry out a lot of pioneering work, implement system-wide digital simulation and principle tests, and finally determined the plan and overcame the difficulties. When the J-10 was tested for the first time, it was unstable for the first flight, and during the entire test flight, there was not a single crash due to flight control.

Later, he became the chief engineer of the two-seat J-10, the super seven of foreign trade, and the new J-20 fighter, and became an expert in the manufacture of fighters in the sky of the Republic.

Now, although it is a bit abrupt for Mhammad to bring up this person, but Mhammad only needs to find an excuse, for example, Tong Guò's own researchers here learned that this Yang Wei is very good and so on. Now, Cheng Fei needs such people to stand out the most.

"Do you mean the graduate student who was assigned last year?" Song Wencong said: "He is indeed very energetic to study, but after all, he is too young, only twenty-three years old this year. ”

Even Yang Wei's age is known, and it seems that Song Wencong is quite impressed by Yang Wei.

"The development of new fighters requires young blood." Mhammad said: "Now, foreign third-generation aircraft, has been flying all over the sky, the Soviet Union, the United States, have their own third-generation aircraft, and Europe is also actively preparing for joint development, we want to achieve leapfrog development, it is necessary to use a large number of new people, although they are not experienced, but they have the strength to study hard, and, good at breaking the convention, our third-generation aircraft, need such people." ”

Song Wencong nodded and said to the person next to him, "Call Yang Wei over." ”

This kind of meeting is not at all for a graduate student who has just been assigned to come in, after all, even the chairman is here.

Deng Gong looked at the young man who came in with great interest, because he was very excited to see him.

"Yang Wei, your reputation is very famous, even the president of our friendly neighbor Pakistan knows your name." Deng Gong said half-jokingly.

"Good Chairman, good President." Yang Wei said: "I am very excited..."

"Tell me, what do you think of our digital telex?" Mhammad asked. Although the No. 10 aircraft is an important project of the republic, but, with its good relationship with the republic, Pakistan said that it would be equipped, and there was absolutely no problem.

"I think that if we want to achieve leapfrog development, we need to adopt advanced technology, and we should use VXI bus structure to carry out our measurement and control work, so that a large number of measurement and control procedures can be simplified and optimized. At the same time, we should build a ground test bench for monitoring and controlling our digital fly-by-wire, completely simulate various situations in our flight, expose various problems on the ground, and improve our flight control procedures. Yang Wei already had a series of ideas in his mind, and now, in this place, he didn't reserve it, and said it all.

Building a test bench on the ground, that is, the Iron Bird Table, can expose a large number of problems, improve your own program design, and do not leave problems in the air.

Deng Gong looked at Song Wencong, only to see that he couldn't stop nodding, obviously, this real member below didn't say these thoughts before, and it wasn't until now that he finally expressed his thoughts.

"In that case, how long do you plan to perfect the flight control?" Mhammad said.

"A year's time." Yang Wei said: "If you follow my ideas, there is a year, I believe that we can make our three-axis four-redundant digital telex, our hardware has been completed, the main thing is the software writing problem, through the guò test bench, we can quickly find out all kinds of problems." ”

In later generations, Yang Wei also completed three years of work in one year and successfully did a good job in this kind of flight control.

"Okay, Yang Wei, I now appoint you as the chief designer of the flight control project, and all the researchers of our flight control will be under your command." Song Wencong said that he found that Yang Wei was indeed capable, and at this time, he immediately did not stick to one pattern and promoted him exceptionally.

Shen Fei's internal corruption is full of corruption, and the top and bottom of the researchers look at the relationship and how many gifts they give, and the people in the key leadership positions are all a group of people who cater to the horse, and even the chief designer is also a person who is good at shirking responsibility and rejoicing in his achievements. At the beginning, the Jian-8 was successfully developed and hurriedly equipped the troops, but the troops found that the rudder surface trembled, almost causing many flight accidents, and the troops reacted. In the end, the flight commander slapped the table in front of him, and was forced to admit that it was a design problem and revise it again.

Cheng Fei is full of vigorous vitality, if you want to do something, then you must be a capable person, just look at the technology, look at the ability! The 23-year-old Yang Wei, who has taken over the burden of flight control since then, is an example.

"In order to make the fighter more combat-effective, the advanced flat-panel slot radar is on the one hand, and on the other hand, we also need to see the advantages of helmet-mounted sights and large off-axis combat missiles, as well as optoelectronic systems." Mhammad continued: "I don't know how our imitation work is going? ”

In several air battles with the Soviet Union, through the wreckage of Guò, and the search for the parachuted pilot, Pakistan obtained several sets of helmet sights and R-73 missiles, as well as advanced OEPS-29 optoelectronic sighting equipment, which Pakistan transported to Chengfei and studied with Chengfei's personnel.

In later generations, when encountering a complex electromagnetic interference environment, the radar may fail, and new means are needed, such as this photoelectric targeting equipment, which can be upgraded to an optoelectronic radar to guide one's own missiles.

Pakistan has tried every means to prevent the United States from acquiring these advanced technologies, and what the Americans have obtained is wreckage and not intact. (To be continued......)