Cascade-type high voltage frequency converter master control system of multiprocessor architecture

Abstract

The invention provides a cascade-type high voltage frequency converter master control system of a multiprocessor architecture. The high voltage frequency converter master control system comprises an ARM circuit unit, an FPGA circuit unit and a DSP circuit unit. The ARM circuit unit and the DSP circuit unit are communicated and carry out real-time data interaction through a dual-port RAM in the FPGA circuit unit. The ARM circuit unit is used for processing external communication and sharing a communication portion function in a high voltage frequency converter. The FPGA circuit unit is used forrealizing high real-time internal processing and fault protection. The DSP circuit unit is used for high voltage frequency conversion algorithm processing. The cascade-type high voltage frequency converter master control system of an ARM+FPGA+DSP architecture possesses characteristics of abundant interfaces, high real-time performance, good expandability and a high anti-interference capability, and various control demands of a cascade-type high voltage frequency converter are satisfied.

Description

technical field [0001] The invention relates to a main control system, in particular to a multi-processor architecture cascaded high-voltage frequency converter main control system. Background technique [0002] As the core part of the high-voltage inverter, the control system of the cascaded high-voltage inverter requires various external interfaces for user input and parameter setting, as well as real-time sampling of analog quantities such as voltage and current during operation, and real-time control The high-voltage power unit also needs to have real-time fault protection function. [0003] With the introduction of new control devices, the control system of cascaded high-voltage inverters is developing in the direction of higher control precision, faster response speed, more convenient user interface and better maintainability. [0004] Existing control systems generally have problems such as the response speed being affected by the communication interface, no remote m...

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the response speed of the existing cascaded high-voltage frequency conversion control system is affected by the communication interface, does not have the function of remote maintenance and upgrading, the user interface requires less external expansion of PLC, and the main control is not scalable. etc. and designed a multi-processor architecture cascaded high-voltage inverter main control system; the main control system uses the ARM+FPGA+DSP architecture, and the multi-processors complement each other, providing a rich external interface for the control system , using the control system as a platform can carry out high-performance algorithm control and real-time system monitoring and protection

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