Measurement and control device, system and method of automatic transmission based on LabVIEW

A technology of automatic transmission and measurement and control system, which is applied in the direction of program control and electrical program control in sequence/logic controllers, and can solve problems such as energy-consuming, time-consuming, energy costs, and high hardware rework rate

CN104536308AInactive Publication Date: 2015-04-22JILIN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2015-04-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a measurement and control device, system and method of an automatic transmission based on LabVIEW. The measurement and control device comprises an engine, a servo motor, a hydrodynamic torque converter, a gearbox, rotating speed and torque sensors, a speedup gear case, a current vortex dynamometer, a measurement and control instrument, a flow sensor and an electromagnetic proportion overflow valve. The measurement and control system comprises an initialization module, a data processing module, a throttle control module, a loading module, a shift determination module and a gearshift execution module. The measurement and control system simulates external load change of the automatic transmission, a load cycle is set to simulate the work cycle of the gearbox, impact caused by load change when the condition of the gearbox is changed is detected, and the system has great significance in researches of gearshift strategy and quality. According the measurement and control system, the labor cost is low, the automation degree of equipment is high, and the flexibility and versatility are high.
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Description

technical field

[0001] The invention belongs to the technical field of automatic transmissions, and in particular relates to a LabVIEW-based automatic transmission measurement and control device, a measurement and control system and a measurement and control method thereof. Background technique

[0002] Automatic transmission is one of the core components of traditional automobiles and construction machinery, and it has an important impact on the comfort, power and economy of the vehicle. Research on automatic transmission technology can not only reduce the driver's driving fatigue, but more importantly, allow the driver to focus more on driving or work, ensure driving safety, and improve work efficiency and quality. But automatic transmissions also sacrifice transmission efficiency for this, and fuel economy has also decreased. European and American countries began to develop automatic transmissions in the 1940s, especially in the early 1990s, a large number of electronic ...

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Embodiment Construction

[0048] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0049] Such as figure 1 As shown, the automatic transmission measurement and control device based on LabVIEW includes engine 1, servo motor 3, hydraulic torque converter 5, gearbox 6, input speed torque sensor 8, output speed torque sensor 9, speed increase gearbox 10, Eddy current dynamometer 11, measuring and controlling instrument 12, lower computer 13, A / D card 22, torque speed measuring card 23, temperature and pressure sensor 24, industrial computer 25, flow sensor and electromagnetic proportional overflow valve.

[0050] The servo motor 3 is connected with the accelerator pedal 2 through the gear set, and the flywheel 4 connected to the output shaft of the engine 1 is connected with the working oil pump 16, the variable speed oil pump 17 and the The steering oil pump 41 is connected, and the rotation of the flywheel 4 drives each oil p...