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List of Contents of this article:

• 1,PAGCOR online casino free 100 What are the inertial navigation systems that are still good at present? Please answer!
• 2, What is Jielian inertial guidance system?
• 3. What is inertial navigation technology and how is inertial navigation realized?
• 4, The marginal configuration of Jetlink inertial navigation

What are the inertial navigation systems that are still good at present?Please answer!

1. This is too much. The two main sensors for inertial measurement are gyroscopes and accelerometers, one to measure angular velocity and the other to measure acceleration. Then the place used to measure angular velocity can definitely be used, and the place used to measure acceleration, speed and displacement can also be used.

2. Due to the adoption of the Jielian inertial guidance system of the optical fiber gyroscope, the average failure interval of the Boeing 777 can be up to 20,000h. The Jielian inertial guidance system using optical fiber gyroscope is considered to be a very promising navigation system.

3. The inertial navigation system mainly uses gyroscopes and accelerometers to judge the heading data and assists the submarine to control the course and speed. Due to the influence of the underwater environment and changes in submarine posture, it is difficult for submarines to stabilize. At this time, the gyroscope can provide navigation posture information for submarines.

4. The inertial navigation system is a navigation parameter calculation system with gyroscopes and accelerometers as sensitive devices.

What is Jielian inertial guidance system?

1. Trap-down Inertial NaVigation System) is an inertial navigation system that directly connects the inertial instrument to the carrier and uses a computer to complete the function of the navigation platform.

2. The Jetlink inertial guidance system (SINS) is developed on the platform inertial guidance system. It is a frameless system composed of three rate gyroscopes, three linear accelerometers and a microcomputer.

3. Characteristics of Jetlink inertial guidance The original English meaning of the term "Strapdown" is "bundling". Therefore, the so-called Jetlink inertial system is a system that directly "bundles" inertial-sensitive components (gyroscopes and accelerometers) to the carrier's body to complete guidance and navigation tasks.

4. The basic principle of Jetlink inertial guidance: willThe inertial measurement device is directly connected to the carrier, and then it is output through the mathematical platform (also known as the parameter of the conversion of the Jetlink matrix to the navigation coordinate system) for navigation calculation.

5. The system in which the inertial navigation system is firmly connected to the carrier is called the Jet inertial guidance system. It contains 3 gyros that provide angular velocity (such as two-frequency machine jitter laser gyros), 3 accelerometers that provide specific force measurement values and their IF conversion circuits, data acquisition boards, etc. The structure of the laser gyro Jielian inertial guidance system is shown in Figure 4-5-2.

What is inertial navigation technology and how is inertial navigation realized?

Inertial navigation technology measures the angular rate and acceleration information of the carrier through gyroscopes and accelerometers, and obtains the speed and position information of the carrier through integral operations.Including platform inertial guidance system and Jielian inertial guidance system. The platform inertial guidance system tracks the angular velocity of the navigation coordinate system in inertial space by controlling the platform through the platform stabilizes the loop.

Inertial navigation system (INS, hereinafter referred to as inertial guidance) is an autonomous navigation system that does not rely on external information and does not radiate energy to the outside. Its working environment includes not only in the air and on the ground, but also underwater.

The basic principle of inertial navigation is that it calculates its current direction from its own trajectory in the past. Inertial navigation is a technology that obtains the instantaneous speed and instantaneous position data of the aircraft by measuring the acceleration of the aircraft and automatically performing integral operations.

The margin configuration of Jielian inertial navigation

1. Because the principle of the sensitive angular velocity of the optical fiber gyroscope has broken through the ancient definition of the gyroscope, people expect that the optical fiber gyroscope can overcome the limitations of the previous electromechanical gyroscopes in the application. In the inertial navigation system, especially the Jielian system It has been widely used.

2. According to the installation method of the inertial measurement unit on the carrier, it is divided into platform inertial navigation system (the inertial measurement unit is installed on the platform of the inertial platform) and the Jetlink inertial navigation system (the inertial measurement unit is directly installed on the carrier); the latter eliminates the platform, and the working conditions of the instrument are not Good (affecting accuracy), large calculation workload.

3. The principle of Jetlink inertial navigation is similar to that of other inertial navigation. It can directly simulate the navigation coordinate system, and the navigation calculation is relatively simple.In addition, the Jetlink inertial guidance system can accurately provide the attitude, ground speed, latitude and longitude and other parameters of the carrier. Its unique advantages are also in contrast with the platform inertial guidance system.

4. According to the different installation methods of inertial instruments, inertial guidance is divided into two categories: platform type and Jet connection type.

5. The gyroscope and accelerometer of the Jielian inertial guidance system are directly connected to the carrier as a measurement standard. The difference between it and the platform inertial guidance system is that it is no longer an electromechanical platform, but a mathematical platform is established in the computer, and its aircraft attitude data is obtained through the computer.