汽车减震器测试系统的设计-优秀毕业论文-中英文资料(9)

减震

PXI is a specifically for data acquisition and industrial automation applications tailor-made modular instrument platforms, with the modular, easy to integrate, easy handling and access, and to facilitate improved synchronization and trigger devices, such as precision of the outstanding characteristics.

At the same time PXI modular instruments rich products, such as produced by the NI PXI modules in the automotive electronics test applicable in the area of a variety of analog and digital signal acquisition and conditioning, signal multiplexing and connection control matrix, kind of bus interface, and RF signal generator, etc. arbitrary. Automotive electronics manufacturers can provide a broad choice.

This for a group of automotive electronics testing PXI modular instruments, which include a Pentium CPU based on the PXI controller, digital multimeter and Multiplexers switches and switch matrix composed of multi-channel currents , voltage test system for the production of car radios signal RF signal generator, car audio analyzer, and other radio equipment. In order to achieve automated testing, automotive electronics manufacturers often use the product itself with the bus, such as CAN, K-Line, opening up specific instructions for the control of state control products, thus eliminating the need for manual intervention. Therefore, in these modular instruments, which often includes a bus controller (such as CAN, K-Line, LIN controllers, etc.). In addition, the normally configured with a wide voltage input and output light at the DIO card, used for automated production lines between the timing synchronization and control fixture.

In most applications, the modular instruments can be customized to choose which part of apparatus, such as car radios can be realized(Including VCD / DVD / navigation), dashboards, traffic logger, HVAC (Heating, Ventilation and Air Conditioning) products in the PCB and the complete machine state functions and

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