An experimental instrument and method for automatic control principle
An automatic control principle and technology of experimental instruments, applied in the direction of instruments, educational tools, teaching models, etc., can solve the problems of inconvenient folding and sorting of experimental data, many hours required for experimental courses, and inconvenient operation, etc., and achieve strong software expansion functions , shorten the experimental class hours, and simplify the operation
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[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0028] As shown in Figure 2, the experimental instrument of this automatic control principle mainly includes a PC, mainly including the function module of LabView, which is used to play the functions of virtual oscilloscope and virtual signal generator after being connected with the main module; a set of structure The same small modules are used to connect the required components to form various links; a main module mainly includes switching power supply, AD / DA module and serial port communication module; among them, the function module of LabView generates the source signal through the serial port The communication module is sent to the main module and converted into an analog signal by the AD / DA module. After being amplified, the output signal is converted into a digital signal by the AD / DA module through the experimental box composed of a gr...
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