自動(dòng)變速箱根據(jù)換擋邏輯可分為手動(dòng)自動(dòng)，傳統(tǒng)自動(dòng)，雙離合，無級(jí)變速，電子檔位。

Automatic transmissions can be divided into manual automatic, traditional automatic, dual clutch, continuously variable transmission, and electronic gears based on shifting logic.

　　(1)手動(dòng)自動(dòng)變速箱已經(jīng)開始使用多片離合與行星齒輪機(jī)構(gòu)，但換擋過程仍需人為撥動(dòng)檔桿操作，即電控單元并未實(shí)現(xiàn)自動(dòng)化，只是省略了傳統(tǒng)離合器的操作。這種變速箱由于便利度低且成本高，現(xiàn)在已經(jīng)淘汰。但是手動(dòng)自動(dòng)是最早提出電控?fù)Q擋概念的變速箱。

(1) Manual and automatic transmissions have begun to use multi plate clutches and planetary gear mechanisms, but the shifting process still requires manual shifting of the gear lever, meaning that the electronic control unit has not been automated and only omits the operation of traditional clutches. This type of gearbox has been phased out due to its low convenience and high cost. However, manual and automatic transmission was the earliest to propose the concept of electronic gear shifting.

　　(2)傳統(tǒng)自動(dòng)變速箱屬于目前應(yīng)用范圍最廣且技術(shù)兼容度最高的自動(dòng)變速箱，因?yàn)槠湓砗?jiǎn)便直接，并且電控自動(dòng)換擋技術(shù)成熟，所以適用于不同動(dòng)力需求與檔位需求的車輛。但是，由于不同標(biāo)定邏輯這種變速箱在不同產(chǎn)品上的表現(xiàn)差異巨大，行駛品質(zhì)也不同。優(yōu)點(diǎn)主要是換擋直接，無需人為操作，更易發(fā)揮車輛極限性能，缺點(diǎn)就是由于調(diào)教不同，油耗較高，同時(shí)全工況響應(yīng)速度可能較慢。

(2) Traditional automatic transmissions are currently the most widely used and technologically compatible automatic transmissions. Due to their simple and direct principles, as well as mature electronic automatic shifting technology, they are suitable for vehicles with different power and gear requirements. However, due to different calibration logic, the performance of this type of gearbox varies greatly on different products, and the driving quality also varies. The main advantage is that the gear shift is direct, without the need for manual operation, making it easier to maximize the vehicle's performance. The disadvantage is that due to different tuning, fuel consumption is higher, and the response speed under all working conditions may be slower.

　　(3)雙離合變速箱采用雙片離合奇偶檔位預(yù)判的邏輯，優(yōu)點(diǎn)是在激烈駕駛或極限動(dòng)力輸出時(shí)，可以大大減小變速箱換擋間隔，動(dòng)力輸出更為連續(xù)，且扭矩承受能力較大，缺點(diǎn)是由于標(biāo)定原因，在正常工況下由于雙離合自動(dòng)預(yù)判檔位不一定符合需求，易產(chǎn)生較大頓挫感，且由于摩擦點(diǎn)較多，故障率相對(duì)較高。

(3) The dual clutch transmission adopts the logic of dual clutch odd and even gear prediction. The advantage is that it can greatly reduce the shifting interval of the transmission during intense driving or extreme power output, make the power output more continuous, and have a greater torque bearing capacity. The disadvantage is that due to calibration reasons, under normal working conditions, the automatic gear prediction of the dual clutch may not necessarily meet the requirements, which can easily cause significant jerking, and due to the many friction points, the failure rate is relatively high.

　　(3)無級(jí)變速變速箱以日系車為主，采用錐輪鋼帶鏈接結(jié)構(gòu)，通過改變錐輪直徑移動(dòng)鋼帶實(shí)現(xiàn)連續(xù)變速變矩，優(yōu)點(diǎn)是行駛平順性極好，且更易發(fā)揮發(fā)動(dòng)機(jī)最佳功率，全工況提速較快的同時(shí)油耗較低，缺點(diǎn)是由于不同調(diào)教，在原地起步時(shí)可能會(huì)初段扭矩限制導(dǎo)致前段提速較慢不線性，同時(shí)受制于結(jié)構(gòu)，變速箱不能承受過大扭矩。

(3) The continuously variable transmission is mainly used in Japanese cars and adopts a cone-shaped wheel steel belt connection structure. By changing the diameter of the cone-shaped wheel and moving the steel belt to achieve continuous speed and torque change, it has the advantages of excellent driving smoothness and easier performance of the engine's optimal power. It accelerates quickly under all working conditions while reducing fuel consumption. The disadvantage is that due to different tuning, there may be initial torque limitations when starting in place, resulting in slow and non-linear acceleration in the front section. At the same time, due to structural constraints, the transmission cannot withstand excessive torque.

　　(4)電子檔位多用于強(qiáng)調(diào)舒適家用的混動(dòng)車，采用雙電機(jī)直連行星齒輪結(jié)構(gòu)匹配阿特金森循環(huán)汽油機(jī)，優(yōu)點(diǎn)是平順性較好，響應(yīng)較快的同時(shí)，扭矩輸出更為直接，并且由于行星齒輪結(jié)構(gòu)，更利于能量回收，缺點(diǎn)是由于屬于新型技術(shù)，成本較高。

(4) Electronic gears are often used in hybrid vehicles that emphasize comfort for household use. They adopt a dual motor directly connected planetary gear structure matched with an Atkinson cycle gasoline engine. The advantages are good smoothness, fast response, and more direct torque output. Due to the planetary gear structure, it is more conducive to energy recovery. The disadvantage is that it belongs to a new technology and has higher costs.

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