Working principle: It has a compact ultra-high speed hydraulic system, adopts a dual clutch unit driven by electric control hydraulic pressure, and the shifting mechanism is also controlled by the hydraulic control module. Two groups of clutches are respectively connected with odd gears and even gears. When the 1 file is working, the second file is ready, and the other file is ready when working. One controls 1, 3 and 5 gears, and the other controls 2, 4 and 6 gears. When using the first gear, the second gear is ready, and the shift time is greatly shortened without delay.
Advantages and disadvantages of the 7-speed G-DCT automatic manual transmission compared with other gearboxes: Advantages: Generally speaking, the higher the gear of the gearbox, the more benefits it will have, mainly because the ratio of shifting gears is small, the transmission is smoother, the shift error is small, and the ride comfort is not affected; Fast gear shifting, small power loss, fuel saving, small displacement and high horsepower; Smooth shifting, fast acceleration and more obvious back pushing feeling; It belongs to the most advanced engine gearbox technology at present, which is stable and reliable. Disadvantages: precise production and complicated technology; High cost. In fact, there are many technical problems to be overcome about the gearbox that matches the car. The gearbox is not equipped at will. If you want to add a gear, you don't want to add a gear.