Tesla's electric car is still hot in the world. Recently, a car-driving accident has brought Tesla to the test. NHTSA said in the announcement that on May 7, in Williston, Florida, the driver died in an accident when using the Autopilot model. Initial reports showed that at a crossroads, a heavy truck was turning left in front of the Tesla. Tesla said in an official blog that the first fatal accident occurred in the more than 130 million miles (about 210 million kilometers) of driving enabled in the Autopilot model. Tesla said: "Under the bright sky, the Autopilot system and the driver did not notice the white side of the heavy truck, so there was no brake. According to Tesla: "The higher truck body, the special road location, and the rare environment caused the Model S to crash into the truck, and the bottom of the truck hit the front windshield of the Model S." Tesla also pointed out: "Autopilot is getting better and better, but it is not perfect, so drivers need to be vigilant. However, the data shows that Autopilot can reduce the driver's operating burden when enabled by driver supervision, as opposed to Pure manual driving brings statistical security to better safety." Tesla shares fell 3% after the US stock market.
The electrolyte material inside the electrolytic capacitor, which has charge storage, is divided into positive and negative polarity, similar to the battery, and cannot be connected backwards.A metal substrate having an oxide film attached to a positive electrode and a negative electrode connected to an electrolyte (solid and non-solid) through a metal plate.
Nonpolar (dual polarity) electrolytic capacitor adopts double oxide film structure, similar to the two polar electrolytic capacitor after two connected to the cathode, the two electrodes of two metal plates respectively (both with oxide film), two groups of oxide film as the electrolyte in the middle.Polar electrolytic capacitors usually play the role of power filter, decoupling (like u), signal coupling, time constant setting and dc isolation in power circuit, medium frequency and low frequency circuit.Non-polar electrolytic capacitors are usually used in audio frequency divider circuit, television S correction circuit and starting circuit of single-phase motor.
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The US Highway Traffic Safety Committee (NHTSA) said on Thursday that it will conduct a preliminary investigation of 25,000 Tesla Model S models. Recently, a Model S owner died in an accident when using the Autopilot autopilot mode. NHTSA said that the accident vehicle was the 2015 Model S, and the vehicle turned on the Autopilot automatic driving mode when the accident occurred. The department will investigate "design and performance of driver assistance functions in the event of an accident." If the NHTSA believes that there is a problem with the safety of the vehicle, then the vehicle will be recalled. 