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03
2023
Massachusetts police exposed traffic ticket task scandal
If every driver was asked to rank a "list of bad things", then traffic tickets would surely be among them. Every day we try to avoid taking tickets, but some people are still worrying about the small number of tickets. Recently, according to CBS reports, the Massachusetts (also known as Massachusetts) police have exposed a scandal about the platitudinal topic of assigning traffic ticket quotas to police officers.
Analysis of Power Technology of AMG GLE63
In terms of body shape, AMG GLE 63 is an absolutely big man, but acceleration can be easy & ldquo; tripping & rdquo; those so-called small steel cannons; it is AMG that gives it energy and passion, making this SUV a breathtaking speed machine, it is really crazy! Let AMG GLE 63 become & ldquo; Top Beast & rdquo; is a generation of famous machines originating from AMG, code name is: M157 5.5L V8 twin turbocharged engine, and in SPEEDSHIFT 7 speed automatic transmission allocation, the power to the extreme. Next, we will understand the strong performance of AMG GLE 63 from a technical point of view, and analyze the manufacturing process, material and structure of this powertrain.
Analysis of Driving Assistance System of Intelligent Driving for Old Drivers
With the rapid development of automotive science and technology, many new models of powerful automotive brands have been equipped with driving assistance system. Unlike automatic driving, driving assistant system is a mature product at this stage. It can help drivers reduce driving fatigue, improve driving safety and reduce driving difficulty. For family users, these configurations are perfect. Speaking of automatic cruise, I believe that everyone is familiar with it. After setting a speed at high speed, the driver can drive at the speed set without stepping on the accelerator. When he needs to slow down, he can only step on the brake or lower the cruise speed. This simple constant speed cruise function can only be used in very limited scenarios, that is, when the road condition is very good. Use. And the ACC full-speed adaptive cruise carried by the territory can be used not only at high speed, but also in urban and congested road conditions. Why? The main industry is a millimeter wave radar front suspension is license to identify the vehicle in front, the millimeter wave radar recognition distance can reach 150m.
02
Beautyworld 2023
The company has been established for nearly 40 years
Basic car circuit diagram explanation
Because the drawing methods, symbol labeling, text labeling, and technical standards of automobile circuit diagrams in various countries are different, the automobile circuit diagrams drawn by various automobile manufacturers are very different. Therefore, before reading different series of automobile circuit diagrams, you need to understand the characteristics of circuit diagrams and master the knowledge of automobile circuit diagrams. The basic method of reading. A familiarity with the rules of car circuit drawing In the whole car circuit diagram of the car, the electrical appliances are used from left to right (the power supply is on the left, the electrical equipment is on the right, and the partial circuit is in the schematic diagram. In, the signal input terminal is on the left, the signal output terminal is on the right), from top to bottom (the live wire is on the top, the ground wire is on the bottom), and the circuits of each electrical system are drawn together as much as possible 2. Familiar with the symbols and meanings of automotive circuit components Be familiar with the names of automotive circuit diagrams, clarify the meaning of electrical symbols, text labels, codes and abbreviations, and establish a one-to-one correspondence between components and graphic symbols. Many circuit diagrams on cars are represented by electrical symbols. Electrical symbols are simple graphic symbols that only roughly show the appearance of electrical appliances. Use text on or next to the graphic symbols to explain the names of electrical appliances. The electrical symbols drawn by various automobile manufacturers are different, some are simple and some are complex
How does the engine adjust the power generation
The generator of a car is directly driven by the engine, and the engine speed fluctuates greatly. It is basically possible to change from a few hundred to nearly ten thousand revolutions. Recent updates Of course, the generator must have an adjustment mechanism to ensure the output of electricity and medical certification. But when you step down the accelerator, the voltage soars, and the car's circuit is paralyzed in an instant. How to adjust the power generation? The answer is to adjust the strength of the generator's magnetic field. As mentioned in junior high school physics, the generator relies on the coil to cut the magnetic induction line to generate electricity. The faster the cutting speed (rotation speed), the higher the magnetic field strength, the higher the voltage. We can't adjust the speed, but we can only adjust the magnetic field strength. When the output voltage of the generator is low, the voltage regulator energizes the excitation coil, adding magnetic field strength to increase the output voltage. When the output voltage is too low, the voltage regulator will energize the excitation coil and increase the magnetic field strength to increase the output voltage. When the output voltage is low.
The malfunction caused by the ECU of the electronic control engine computer
The electronic control engine computer ECU cannot monitor the failures caused by the following reasons. (1) Generally, the ECU of low-end cars cannot monitor the failure of the high-voltage ignition circuit caused by the inoperative ignition coil, the polluted or damaged spark plug, and the broken core of the high-voltage line. (2) ECU cannot monitor the blockage of the inlet filter of the electric gasoline pump, the fuel filter pipeline, and the failure of the incoming fuel caused by the flattening of the fuel inlet pipeline or the return pipeline. Smooth, or the mixture is too thin. Loose rearview mirror in Mercedes-Benz car (3) The ECU cannot monitor the air filter inlet or the air filter plugging or throttling. The solution to the failure or vibration caused by the change of the air flow rate. Product brand summary Commonly used accessories for Mercedes-Benz maintenance and repair (4) ECU cannot monitor the high or low cylinder pressure, or the uniformity of each cylinder pressure (5) ECU cannot monitor the plug and the pins are damaged, but it will produce fault codes caused by this situation (6) ECU cannot monitor the bad grounding, but it will produce fault codes caused by this situation (7) ECU cannot monitor the leakage or throttling of the vacuum line of the vacuum booster in the engine control system. However, the vacuum degree of the absolute pressure sensor of the intake manifold will be monitored and the ECU will also record the fault code. The above 10 items are the causes of failures that cannot be detected by the electronic control engine, which should be paid attention to when repairing the electronic control engine. Whether it is an electronic control failure or a mechanical failure, the location and performance characteristics of the occurrence must be correctly distinguished in order to accurately and quickly determine and eliminate the failure During the inspection, if the engine is faulty and the engine fault warning light is not lit (the fault code is not displayed), it means that the engine fault may be in the mechanical part.
Function and composition of engine block group
Body group function The body group is the support of the engine, and is the assembly base of the crank connecting rod mechanism, the valve mechanism and the main components of the engine systems. The cylinder head is used to close the top of the cylinder and form a combustion chamber together with the top of the piston and the cylinder wall. In addition, the water jacket, oil passage and oil pan in the cylinder head and body are the components of the cooling system and lubrication system respectively. Body group composition structure Modern automobile engine block group is mainly composed of block, cylinder head, cylinder head cover, cylinder liner, main bearing cover and oil pan. For engines with cylinder liners, the body group also includes dry or wet cylinder liners.
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