自动变速箱根据换挡逻辑可分为手动自动，传统自动，双离合，无级变速，电子档位。

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

　　(1)手动自动变速箱已经开始使用多片离合与行星齿轮机构，但换挡过程仍需人为拨动档杆操作，即电控单元并未实现自动化，只是省略了传统离合器的操作。这种变速箱由于便利度低且成本高，现在已经淘汰。但是手动自动是早提出电控换挡概念的变速箱。

(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)传统自动变速箱属于目前应用范围广且技术兼容度的自动变速箱，因为其原理简便直接，并且电控自动换挡技术成熟，所以适用于不同动力需求与档位需求的车辆。但是，由于不同标定逻辑这种变速箱在不同产品上的表现差异巨大，行驶品质也不同。优点主要是换挡直接，无需人为操作，更易发挥车辆极限性能，缺点就是由于调教不同，油耗较高，同时全工况响应速度可能较慢。

(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)双离合变速箱采用双片离合奇偶档位预判的逻辑，优点是在激烈驾驶或极限动力输出时，可以大大减小变速箱换挡间隔，动力输出更为连续，且扭矩承受能力较大，缺点是由于标定原因，在正常工况下由于双离合自动预判档位不一定符合需求，易产生较大顿挫感，且由于摩擦点较多，故障率相对较高。

(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)无级变速变速箱以日系车为主，采用锥轮钢带链接结构，通过改变锥轮直径移动钢带实现连续变速变矩，优点是行驶平顺性极好，且更易发挥发动机功率，全工况提速较快的同时油耗较低，缺点是由于不同调教，在原地起步时可能会初段扭矩限制导致前段提速较慢不线性，同时受制于结构，变速箱不能承受过大扭矩。

(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)电子档位多用于强调舒适家用的混动车，采用双电机直连行星齿轮结构匹配阿特金森循环汽油机，优点是平顺性较好，响应较快的同时，扭矩输出更为直接，并且由于行星齿轮结构，更利于能量回收，缺点是由于属于新型技术，成本较高。

(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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The above is an introduction to Jinan automatic transmission maintenance. For more information, please click: http://www.jnbsx.com We will wholeheartedly provide you with full score service. Welcome to call us!