Interpreting the working process of driverless cars with voice control

Although many countries, including China, are currently developing and testing driverless cars, the most mature and most publicized information is Google's driverless cars. Below we will use it as an example to explain the actual operation process of the driverless car.

Google driverless car schematic

Google driverless car schematic

Google's driverless cars are mostly modified models of Toyota Prius and Audi TT. Prius is more common in public videos. There is an interesting device on the roof of the car, which looks like the head of the robot Wall-E. It is a radar that can detect objects within 70 meters around it, detect obstacles and other vehicles. As you can see in the road test video, this radar is constantly turning.

Interpret the working process of driverless cars with voice control

Google's driverless car roof radar

In the test of Google's driverless car, you can see that in addition to a blind man in the driver's seat, there is also an "assistant" on the co-pilot. As you can see in the data map, there is a computer in the co-pilot seat. The route system connected to GPS and Google Maps allows it to find the fastest way to its destination. It can be seen that unmanned driving can save the step of driving, and it is not completely unnecessary.

Interpret the working process of driverless cars with voice control

Copilot of Google's driverless cars

During driving, the people in the car can rest. The camera installed in the cab will recognize traffic signs and signal lights, and the sensors near the tires can calculate the current location of the car based on speed and bearing. There are a series of sensors inside the car, which are composed of laser detectors, radio radar detectors, and camera equipment. Through this series of sensors, the car can clearly "see" the surrounding objects, clearly grasp their size and distance, can determine what impact the surrounding objects may have on the vehicle's movement and route, and respond accordingly. Drive normally.

Interpret the working process of driverless cars with voice control

Driverless car in motion

Driverless cars automatically stop on the roadside

While driving, if the system makes a mistake, the person in the driver's seat can take over forcibly and stop the automatic driving. The co-pilot's laptop computer monitoring and recording system records and diagnoses. Chinese netizens commented on this, will it crash if it encounters frequent gasses? Can it adapt to China's complex and changing road conditions and overpasses?

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