The drone design team's office was lively for a while before they dispersed to rest. This was because after dawn, the trial of the second model of the general reconnaissance engineering drone would begin.
The reason why the second model of the general reconnaissance engineering drone was delayed for so long was because the taser bullets for testing were not in place.
The taser bullets for testing were provided by the equipment innovation team and were divided into two models.
One was a special bullet that released high voltage after hitting the target to achieve the goal of making the target lose the ability to resist through electric shock. This type of bullet had a higher instantaneous voltage and a longer range. However, the power was unstable and the duration of the shock could not be controlled.
The other type fired two specially made electrode needles. The positive and negative electrode needles were connected to wires and powered by the battery in the taser gun. The voltage released could be adjusted before firing and the duration of the shock could be controlled after hitting the target.
The disadvantage was that the range was short, only 1.5 to 2 meters.
The equipment innovation team's design target was three to five meters. It was limited by various aspects of technology and had not been completed yet.
Both types of taser bullets, including the launcher gun, were developed by the equipment innovation team. After all, it was a weapon, so the design requirements were very strict. The power and stability were tested countless times before they passed the evaluation team's evaluation.
The drone design team was faced with two types of taser bullets and decided to choose the second type without much consideration.
This choice was made because the first type of taser bullet fired by the drone could not guarantee a hit rate at a long distance. On the other hand, the recoil of the bullet was large and would seriously affect the drone's flight stability.
Using a recoilless design, the complexity of the structure and production cost would greatly increase.
Therefore, although the second type of taser bullet had a short range, the electrode wires and discharge batteries would also increase the drone's weight.
However, firing at a short distance not only guaranteed a hit rate, but the design difficulty and production cost would also be greatly reduced.
After the decision was made, the team quickly completed the design that they had previously conceived and submitted it together with the written materials. After the evaluation team approved it, the engineering drone immediately began.
The two design teams had already communicated before. Considering that the design of the taser bullet was still in the process of being further refined, the launcher component was mounted separately under the drone to facilitate future upgrades.
The software engineers at the University of Wuyi designed an AI solution for the taser component. He only needed to enter the shooting parameters of the taser bullet into the database of the control software, and the system would provide shooting guidance with the comprehensive data collected by the camera and wind sensor with the range-measuring function.
To be more specific, it was to use the distance sensor to confirm whether the drone was within an effective distance from the target. Then, with the wind speed and wind direction data collected by the wind sensor, it would calculate and mark the hit location on the screen.
This design would greatly increase the accuracy of shooting. However, before actual combat, a large amount of data collection and repeated correction would be required.
The General Reconnaissance Type-2 UAV used a five-rotor design, so its flight stability was excellent. After mounting the components of the taser bomb, the reaction force during the initial launch was completely within the load range.
However, correcting the launch data with the school team not only required a large number of tests, but also the influence of environmental factors. In order to ensure the accuracy of the data calculation, the drone design team brought the engineering machine to the comprehensive testing site of the stun bomb development team.
The fans in this venue could accurately simulate the complex airflow and wind forces under various natural conditions.
Qu Sen would bring his team members here to test the drone's firing trajectory under different wind conditions and at various angles after firing the stun grenades. He was constantly perfecting the computer shooting algorithm database.
While the testing work was still in progress, the custom-made wide-angle lens finally arrived. Then, the drone design team upgraded the surveillance lenses of the existing four models of drones.
Because of the changes in the image frame ratio, the control software interface also had to be optimized and adjusted accordingly.
Just as the work was progressing in an orderly manner, a request for assistance from the Shengjing police was forwarded to the "Working Group 715" by the Liao Provincial Public Security Bureau. The content was to apply for a drone investigation team to assist in investigating the northern electronic equipment stolen goods exchange and sales network.
In the criminal sales network in Shengjing, the one that played the role of Yang Yongfu's second-hand car dealership was a logistics company. The location of this company was very remote, and there were many logistics vehicles in the city.
In order not to alert the enemy, the Shengjing police did not dare to use their law enforcement authority to search the vehicles.
After the peripheral investigation, it was preliminarily determined that the logistics company was very well-organized. The management and drivers were divided into core members and ordinary employees. The vehicles involved in the case were mixed with ordinary cargo vehicles and could not be clearly identified in a short period of time.
In the joint case of the two police forces, the Shengjing police heard from the Huacheng police that there was a new investigative method called the reconnaissance drone, which could effectively carry out covert surveillance at a high altitude.
They found out that the police drone was still in the testing stage, and the working group it belonged to was a unit directly under the Ministry.
After the Shengjing police leaders received the report from the task force, they pondered. Since it was a unit directly under the Ministry, if the Huacheng police could use it, then the Shengjing police could also apply to use it.
Therefore, the request for assistance was sent to the working group.
The general reconnaissance drone had basically been finalized, and it was time for actual combat testing. The leaders of the working group had a simple discussion and agreed to the Shengjing police's application.
They quickly notified the drone research and development team to send two drone teams with two general reconnaissance drones, one interference drone, and one technical reconnaissance drone with upgraded hardware to Shengjing to assist the local police in the investigation of the case.
There were still a lot of tests to be done in the research and development team. Qu Sen, as the team leader, had to preside over the progress of the work. The team gathered together to discuss and decided to send Sun Miao and three students from the Huacheng police to form two drone teams to carry out the mission in Shengjing.
Sun Miao quickly led the team and set off. The rest of the drone design team began to work overtime to prepare for the official evaluation of the second general reconnaissance drone that was about to begin.
After a period of improvement and testing, the second general reconnaissance drone was also equipped with a small loudspeaker in addition to the stun bullet component.
In addition, because the second general reconnaissance drone was designed to track and lock on at mid-to-low altitude, it was completely within the range of human vision.
It was not like the first general reconnaissance drone, which was designed with a variety of camouflage colors to cope with different working environments. Instead, it was painted in a uniform blue and white with eye-catching police logos.
The evaluation team was very strict with the accuracy of the stun bullet. The hit rate in the test must be 100%. The shooting test was not just once. They had to simulate different wind forces and wind directions in the comprehensive test field for ten to thirty tests.
This was only the first evaluation. After the engineering prototype, there would be more stringent test conditions for the evaluation of the experimental model.
In order to pass the evaluation of the engineering prototype, Qu Sen and the team stayed in the comprehensive test field for more than a week. They did countless shooting tests on the stun bullet regardless of day or night. The data records alone filled four notebooks.
More than three thousand correction parameters were added to the shooting calculation database in the control system.
Their efforts were not in vain. In the evaluation test by the evaluation team, the second general reconnaissance drone was tested three times in a wind simulation environment from zero to five. Each wind level was tested against the wind, the wind from the side, and the wind from the back. With a 100% hit rate, it successfully passed the evaluation team's evaluation.
Qu Sen brought the team back to their residence. Just as he was about to celebrate, he received an order from the team. "Immediately take the drone and head to a large waste collection station in the suburbs. Accept the deployment of the Huacheng police on-site commander."
Knowing that there was another combat test mission, the design team members and the driving students were very excited. They took all the drones that could carry out the mission as quickly as possible and drove to the location of the incident.
Although the location of the mission was the waste collection station in the suburbs, the root of the mission was the Huacheng Electromechanical Building that was being renovated.
The building was an old building from the mid-nineties. After being used for so many years, the internal facilities, especially the fire protection system and circuits, were very old and backward. There were serious safety hazards, which was why the renovation work was carried out this year.
When the renovation work began, the goods of all the merchants in the building were all stored in the temporarily closed underground parking lot. However, halfway through the renovation, some merchants realized that their goods in the underground parking lot were missing.
Because they were all small and old items, and the construction site was a complicated place, it was normal for there to be theft. Because the losses were not big, the merchants did not call the police. They only reported the situation to the building management office.
The building management did not want to trouble the police because of a small loss, so they called the head of the security team to the office and gave him a good scolding. They ordered the security guards to strengthen the patrol and added ten surveillance cameras to the underground parking lot.
After this warning, the loss of inventory did not happen again for more than half a month. However, the day before yesterday, when the merchants checked their inventory again, they found that their goods were missing again. This time, it was not just small goods or old items that were missing.
Among the sixteen merchants involved, thirty-two generators and pumps of various models were missing. More than two hundred electric tools were missing, and the total loss was close to four hundred thousand.
With such a serious theft case, the management of the Electromechanical Building did not dare to hide it anymore. They chose to call the police immediately.
After the Huacheng police received the report, they immediately began to investigate the scene of the theft and summon the person responsible. In addition, they also used the "Sky Eye" system in the city, which had already begun to take shape, to investigate suspicious vehicles that entered and left the building.
This was because many of the goods that were missing were large items, and they were in large quantities. The Electromechanical Building was also in a closed construction period. The people who could enter the building and had the time to commit the crime were not purely outsiders.
The police analyzed that there was a high possibility that there was a "mole" involved in this case, or even that it was completely an inside job.
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