Dual clutch transmission: as the name suggests, is the transmission has two sets of clutch system, respectively, responsible for odd, even gear shift. Simple understanding is to have manual transmission shift mechanism, can realize in do not cut off the power of the complete shift, at the same time on the performance of both high efficiency of manual transmission and automatic transmission than faster shift speed.
Advantages: shift speed, high efficiency, comfort, good fuel economy
Disadvantages: manufacturing process complex, especially electronic control part of the complex
When it comes to the dual clutch, have to say that the mass of the DSG, the first to introduce China, and let the dual clutch transmission is really popular is the mass group. Extension a few years ago Volkswagen group do not break spare nearly once let the DSG has become synonymous with the dual clutch transmission, even at the beginning when I included that DSG is to represent the dual clutch.
In fact, the abbreviation of dual clutch transmission for DCT (dual clutch transmission), just each manufacturer for dual clutch transmission names their different just. Early in the 1930s and 1940s, dual clutch transmission prior to automatic transmission is people think, because the basic principle is not complicated, mechanical gear structure at the time can also are designed and manufactured. But at that time no electronic control system, want to simply rely on mechanical structure to achieve automatic control clutch and gear shift fork, and also to meet requirement of transmission shift smooth, almost impossible to achieve. So, then we have to develop the AT transmission through the torque converter to achieve power transmission of the DCT, the people gradually forgotten. |
