Digital monitoring and controlling system for electric vortex power measuring machine

The utility model provides a digital measuring and controlling system of an eddy-current dynamometer. The digital measuring and controlling system comprises a main control machine, a set value input module, a signal acquisition module, a control signal output module and a display signal processing module, wherein, the main control machine comprises a main control chip DSPIC30F6014A, the serial peripheral interface of which is connected with the set value input module, the input terminals of an A/D module are respectively connected with the corresponding signal acquisition circuit of the signal acquisition module, the control signal output terminal of which is connected with the control signal output module, and the display signal output terminal of which is connected with the display signal processing module. Compared with the prior technology, the technical proposal has improvements on function maintenance and performance while saving resource, and the particular embedded measurement and control framework of the eddy-current dynamometer chip greatly improves the performance-price ratio of the product.