AMT (Automated Manual Transmission) offline detection platform and control method thereof

A detection control, transmission technology, applied in the AMT transmission off-line detection platform and its control field, can solve the lack of AMT transmission detection platform and other problems, and achieve the effect of simplifying the operation intensity

Active Publication Date: 2019-06-18
CHINA NAT HEAVY DUTY TRUCK GROUP DATONG GEARCO
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  • Abstract
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Problems solved by technology

The current off-line testing platform for transmissions is only suitable for off-line testing of tradi

Method used

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  • AMT (Automated Manual Transmission) offline detection platform and control method thereof
  • AMT (Automated Manual Transmission) offline detection platform and control method thereof

Examples

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[0014] An AMT transmission offline detection platform, including a computer, a test tool, a control unit, a base 9, a drive motor 10 mounted on the base 9 and a transmission bracket 23 mounted on the base; the output shaft of the drive motor 10 is connected with The coupling 12 is connected to the output shaft of the transmission to be tested; the control unit 3 is connected to the testing tool 2 through a wire harness, and the testing tool 2 is connected to the computer 1 through a data cable. The driving motor is independently controlled.

[0015] A counterweight 11 is also installed on the coupling 12 of the driving motor. The counterweight helps stabilize the connection between the drive motor and the output shaft of the transmission.

[0016] The computer 1 is a notebook computer; the test tool 2 is a CANcase data tester; the microprocessor of the control unit 3 adopts a Freescale 32-bit single-chip MPC5634; the driving motor is installed on the motor bracket 24 fixed on the ...

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Abstract

The invention belongs to the technical field of transmission detection and relates to an AMT (Automated Manual Transmission) offline detection platform and a control method thereof. The AMT offline detection platform includes a computer, a test tool, a control unit, a base, a driving motor which is mounted on the base, and a transmission bracket mounted on the base; the output shaft of the drivingmotor is connected with a coupling used for connecting the output shaft of a transmission to be detected; the control unit is connected with the test tool through a wire harness; the test tool is connected with the computer through a data line; the control unit receives an offline detection request from an operator, and controls each pneumatic actuator to complete offline detection; a rotationalspeed sensor and a position sensor feed back rotational speed signals and position signals which are monitored in real time to the control unit; the control unit transmits relevant status signals andthe like to the computer, so that the computer can display and record the signals in real time; and therefore, the operator can be facilitated to check and judge whether a gear request is completed, whether the gear shift of the transmission is in place, and whether a countershaft brake reaches a braking effect.

Description

technical field [0001] The invention relates to the technical field of transmission detection, in particular to an AMT transmission off-line detection platform and a control method thereof. Background technique [0002] The AMT transmission is different from the traditional mechanical transmission. The operator cannot directly select and shift the transmission through the selection lever for testing when it is off-line. The gear selection and shifting actuator of AMT is a pneumatic actuator, which must be controlled by the control unit to complete the gear selection and shifting action. The current off-line testing platform for transmissions is only suitable for off-line testing of traditional mechanical transmissions, and there is currently a lack of a testing platform suitable for AMT transmissions. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the invention proposes an automatic transmission off-line detection platform and a control me...

Claims

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Application Information

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IPC IPC(8): G01M13/025
Inventor 兰海龙李萍陈强徐立鹏曹永利韩海龙
Owner CHINA NAT HEAVY DUTY TRUCK GROUP DATONG GEARCO
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