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What is the working principle of automatic transmission shifting?

1 Answers

DelJuliana

07/25/25 3:07pm

Automatic transmission utilizes planetary gear mechanisms for gear shifting, controlled by a computer. It automatically shifts gears based on the degree of accelerator pedal depression and vehicle speed changes, allowing the driver to simply operate the accelerator pedal to control speed. Related information: 1. Types of automatic transmissions: Hydraulic automatic transmission, hydrostatic transmission automatic transmission, electric transmission automatic transmission, stepped mechanical automatic transmission, and continuously variable mechanical automatic transmission. 2. Gear positions: P stands for Parking, R for Reverse, N for Neutral, D for Drive, L for Low gear, S denotes Sport mode, and OD represents Overdrive.

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