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What is the function of an electronically controlled automatic transmission?

1 Answers

SanNorah

07/28/25 6:19pm

The function of an electronically controlled automatic transmission is to select the appropriate gear ratio for different loads and vehicle speeds, enabling the engine to operate at the corresponding optimal speed. All gear shifts are performed automatically by the transmission, with the driver only needing to use the accelerator pedal to indicate the intention for speed changes and the gear selector lever to choose the desired operating mode. The electronically controlled hydraulic automatic transmission (AT) is formed by adding an electronic control system to the traditional hydraulic automatic transmission. The electronically controlled automatic transmission consists of a hydraulic transmission system, a mechanical gear shifting system, a hydraulic control system, and an electronic control system. There are four common types of automotive automatic transmissions: hydraulic automatic transmission, mechanical continuously variable transmission, electronically controlled mechanical automatic transmission, and dual-clutch automatic transmission.

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