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Virtual Instruments are new instrument type that combining hardware and software together. A virtual instrument system includes instrument hardware, concerned software and a computer. It can control a machine and get the operating parameter of a machine. An engine test bench was developed with VC++ basing on Virtual Instruments technology. The system can control an engine and a chassis dynamometer...
The operating status of the Electronic Speed Controller and the engine of the cannon needed to be evaluated and checked in ordinary maintenance, examination and repair. A useful fault diagnosis system for Electronic Speed Controller was designed by LabVIEW. The system was composed by magneto electric spin speed sensor, junction box, PWM driven module, PCI1802 multi-function card and Apolo530 industry...
Virtual instrument is help to distance fault diagnosis and exclusion of large scale equipments as engines. In order to achieve distance automate control on engine fault diagnosis, a kind of virtual instrument fault diagnosis method based on Expert System supported Knowledge Database (ESKD) of double database cooperating mechanism was presented. The internet technology was also used for distance interactive...
The torsional vibration of the engine has an important impact on car's safety and ride comfort. Dual-mass flywheel, as a new type component of transmission system can reduce the engine output shaft's torsional vibration effectively. Based on the analysis of torsional vibration waveform, the paper proposes a detection method for DMF and brings forward a virtual instrument simulation test system using...
An electronic automatic transmission test data acquisition system, which makes use of American NI's data acquisition card and CAN card, is designed based on Virtual Instrument. The data can be collected by the data acquisition system include automatic transmission oil pressure, solenoid duty ratio, as well as CAN message issued by automatic transmission and engine control unit. The key problems of...
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