For AMT, it is indeed not well known in the market where automatic transmissions are popular today. The automatic transmission that we are familiar with is called AT, and AMT is a new term for many people. Old mechanical parts and poor transmission methods, but the concept once again deceived their thinking.
In our hands, its name changed from "devil" to "simple."
AMT is a new type of automatic transmission. It uses a gear set structure. The technical essence of the AMT comes from the MT transmission. Engineers implement automatic shifting through a set of intelligent shifting mechanisms. Because there is no torque converter, this transmission can achieve the same transmission efficiency as the MT transmission.
This kind of design used to be rare in ordinary civilian cars, but more often appeared in racing cars and high-performance sports cars. Designers valued its ultra-high transmission efficiency, which could greatly increase the acceleration of the car. In Formula One, which boasts the highest technology and highest speed in the world, the car uses a semi-automatic transmission.
As AMT's advantages in transmission efficiency are extremely obvious, in recent years, some manufacturers that focus on technology research and development have started to commercialize such transmissions and achieved remarkable results. The most representative is the Volkswagen DSG transmission. The current state-of-the-art transmission has the same structural nature as the AMT transmission, except that it uses two sets of clutch controls to further increase shift speed and cope with high-powered engines. . In China, AMT technology is used in the little-known "QQ". Although you can't use the transmission of the F1 car and QQ, but it is surprising that the mechanical principles are exactly the same, QQ and F1? If these two words are not facts, then do not even want to connect.
Because there is no loss of energy from the torque converter, the theoretical fuel consumption of an AMT transmission can be exactly the same as MT. Even with a 0.8L displacement mini-vehicle, the AMT can minimize the power consumed in the driveline and take more advantage of the small-displacement engine. This "thrifty" device has not become popular because of its high efficiency, but it has never looked up in the shadow of "micro-vehicle" and "cheap". The warriors from Europe went east and no longer returned.
AT is king and its world is difficult
Due to the long time of birth and mature technology, the popularity of AT automatic transmissions is very high. The AT transmission is a very traditional transmission mechanism. It is based on a planetary gear set. The change in gear ratio is achieved by switching between the sun gear, the outer gear ring and the gear frame in the planetary gear set. The most notable feature of this transmission is its soft-coupling mechanism, which must be equipped with a torque converter in order to solve the intermittent problem of power switching. The mechanism for power transmission by hydraulic oil and impeller can mitigate the impact, but at the same time greatly reduce the transmission efficiency. We often feel that the AT version of the model is not as good as the displacement of the MT version of power, fuel consumption is also higher, the core reason is this.
Although energy-saving and emission-reduction are the future direction of development, the excessively large inventory and long history and tradition of AT also make the outlook of AMT not optimistic, from 4th speed, 5th speed, 6th speed, 7th speed, until Lexus equipped 8 Speed ​​ATS, coupled with the development of the CVT and its debut in the "fluent high-tech", AMT seems to have no chance. At present, AMT is still used in domestic auto manufacturing too little and its reputation is too simple. It can be seen that the monopoly trend of AT also affects the development direction of auto companies. The minority obeys the majority? Whose truth is in the hands?
The trouble should end it
AMT is obviously more in line with the needs of small-displacement models. Owners of small-displacement cars are mainly used for daily transportation. Their sensitivity to vehicle costs is obviously much higher than that of high-price, high-volume models. The high fuel consumption caused by AT transmissions often discourages such owners. The advantages of AMT just can solve all these problems.
The emergence of AMT, to some extent, is to solve the problem of automatic transmission with small-displacement vehicles, so its application in this field is much larger than that of medium and large displacement vehicles. At present, even in the European market that favors manual transmission, Citroen, Fiat, Opel, Mercedes-Benz and many other manufacturers are beginning to apply this type of transmission to small-displacement vehicles. Just introduced the Mercedes-Benz SMART car, the use of the AMT transmission, 1.0 displacement car, power is exactly the same, AMT meritorious.
China's vast market, senior automotive market expert Su Hui told reporters that the city's group is limited, the broader consumer market is still in the secondary cities, in the three cities, in the rural areas, and even to be excavated. Their first choice is often micro-vehicles. This market is much larger than the fiercely competitive mid-size car market.
AMT is difficult to use. Micro-vehicle may be an opportunity. An excellent opportunity to stand up and break its head will not enter the door of the high-end passenger car market. It would be better to play in the micro-vehicle field and speak with facts.
The semi-automatic transmission with its simple structure and obvious effect is very close to people. Its benefits are unknown, and even not valued by enterprises. This is a problem and a problem. One advertisement says, "Of course, good things are to be shared by everyone." One also says "This is our secret, okay?" This is business. However, as far as technology is concerned, please use AMT.
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