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Study on Electronic-controlled and Electronic-powered AMT Non-select Shifting System

Author: MengQingYong
Tutor: ChengXiuSheng
School: Jilin University
Course: Vehicle Engineering
Keywords: Electronically controlled electric AMT No gear selector shift actuators Drive circuit Shift actuator performance
CLC: TH132.46
Type: Master's thesis
Year: 2005
Downloads: 434
Quote: 10
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Abstract


The electronically controlled automatic mechanical transmission (AMT) on the basis of the manual transmission , actuators and control system by increasing the vehicle 's automatic shift function . Electric, hydraulic or pneumatic can be used on the basis of the electronic control for the shift actuator for the AMT is driven by the shift actuator , to achieve the automatic shift . This article focused on electronically controlled electro - mechanical automatic transmission shift system following aspects : 1 , proposed the AMT gear selector shift actuator design program and its specific design . 2 shift during the execution of the shift actuator dynamics analysis, the shift process dynamic model and simulation . 3 , the development of a shift actuator for driving the DC motor drive circuit based on the H - type bipolar mode PWM mode . 4 , through the trial , the gear selector shift actuators shifting performance analysis and its kinetics model validation . The tests showed that shift the gear selector shift actuators execution time about 40% shorter than the existing election shift actuators ; accurate dynamic model of the shifting process . In this paper, the proposed new structure of the shift actuator electronically controlled electric AMT has been some improvement over the previous shift structure , the shift actuator performance . The no gear selector shift actuator has been declared a patent . No gear selector shift can also be applied to the electrically controlled hydraulic and electrical control pneumatic AMT . The study of this article electronically controlled electric AMT products of certain practical significance .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Mechanical parts and gear > The transmission mechanism > Meshing > Reducer and transmission
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