Fatigue life simulation test system for automatic transmission electronic control system
A simulation test system, automatic transmission technology, applied in the direction of electrical testing/monitoring, etc., can solve the problems of high test cost, complicated operation, difficult to calibrate the wear degree of the system, etc., and achieve the effect of simple test process and reduced test cost
Active Publication Date: 2014-04-09
SPECIAL VEHICLE TECH CENT OF HUBEI AEROSPACE TECH RES INST
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Problems solved by technology
After the design of the electronic control system is completed, functional tests, electromagnetic compatibility tests, environmental performance tests, and reliability tests must be carried out. However, at this stage, the fatigue life test of the electronic control system is generally carried out in bench or sports car tests, and the test cost is high. , The operation is complicated, it is difficult to calibrate the ultimate fatigue life value, and it is also difficult to calibrate the wear degree of the entire system
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[0011] see figure 1 , A fatigue life simulation test system for an automatic transmission electronic control system provided by an embodiment of the present invention includes: a host computer, a signal generating unit, an automatic transmission electronic control system, a hydraulic unit and an oil supply unit. The upper computer is connected with the automatic transmission electronic control system through the signal generation unit; the fatigue life test requirement information of the automatic transmission electronic control system is configured in the upper computer, and the fatigue life test requirement information is converted into an analog signal by the signal generation unit and sent to the automatic transmission electronic control system. The automatic transmission electronic control system and the oil supply unit are respectively connected with the hydraulic unit; the automatic transmission electronic control system generates corresponding control commands and cont...
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The invention relates to the field of automatic transmissions, in particular to a fatigue life simulation test system for an automatic transmission electronic control system. The fatigue life simulation test system comprises an upper computer, a signal generating unit, the automatic transmission electronic control system, a hydraulic unit and an oil supply unit. The upper computer is connected with the automatic transmission electronic control system through the signal generating unit. The automatic transmission electronic control system and the oil supply unit are connected with the hydraulic unit respectively. The oil supply unit is connected with the upper computer. According to the fatigue life simulation test system for the automatic transmission electronic control system, in the test process, no actual workload except a solenoid valve needs to be connected into the fatigue life simulation test system, the hydraulic unit is used for simulating a transmission hydraulic system in actual work, so that test cost is lowered, and tolerance of the solenoid valve is also detected; meanwhile, control can be performed on the upper computer, so that the fatigue life simulation test process for the automatic transmission electronic control system is simple and fast.
Description
technical field [0001] The invention relates to the field of automatic transmissions, in particular to an automatic transmission electronic control system fatigue life simulation test system. Background technique [0002] With the development of the world's automobile industry, automatic transmissions are rapidly becoming popular. The electronic control system of automatic transmission is one of the key technologies of automatic transmission, and its function is equivalent to the brain of the human body. After the design of the electronic control system is completed, functional tests, electromagnetic compatibility tests, environmental performance tests, and reliability tests must be carried out. However, at this stage, the fatigue life test of the electronic control system is generally carried out in bench or sports car tests, and the test cost is high. , The operation is complicated, it is difficult to calibrate the ultimate fatigue life value, and it is also difficult to ...
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IPC IPC(8): G05B23/02
Inventor 李兴龙冯振华王雅奇李驰桑任仲向雪峰
Owner SPECIAL VEHICLE TECH CENT OF HUBEI AEROSPACE TECH RES INST