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What is the Principle of Four-Wheel Drive Smart Car Turning in Place?

1 Answers

LaNova

07/29/25 10:26am

Smart car four-wheel drive in-place turning principle is a method of intelligent system navigation control through geomagnetism. It obtains the driving state of the intelligent system via geomagnetic sensors and performs error correction on the geomagnetic navigation angle. Four-wheel drive system classification: Four-wheel drive systems are mainly divided into three categories: part-time four-wheel drive, on-demand four-wheel drive, and full-time four-wheel drive. Advantages of part-time four-wheel drive: The advantages of part-time four-wheel drive are simple structure, high stability, and durability; Disadvantages of part-time four-wheel drive: The disadvantage is that it requires manual operation by the driver, sometimes even needing to stop the vehicle to operate. Not only is it cumbersome, but it also cannot react quickly when encountering poor road conditions, potentially missing the best opportunity to escape. Therefore, it is necessary to switch to four-wheel drive mode in advance when entering challenging road conditions. On-demand four-wheel drive switching: On-demand four-wheel drive only switches to four-wheel drive mode when appropriate. In this driving mode, power is usually transmitted to one drive axle. When the wheels slip, the central differential locks, and a portion of the power is then distributed to another drive axle. Full-time four-wheel drive function: This refers to the car's engine output torque being distributed to the front and rear wheels in a certain proportion during driving, allowing all four wheels to receive driving force. It offers excellent off-road capability and handling.

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