Numerical control system and control method based on dual-core architecture teamwork

Abstract

The invention discloses a numerical control system and control method based on dual-core architecture teamwork, which are characterized in that a first logic unit is connected with a second logic unit, and a conjunction gate is connected between the first logic unit and the second logic unit; the first logic unit sets control signals as high-level read-in processing codes, carries out interpretation on the codes, then manages data (interpreted by created forward-looking queue read codes) by using nodes, and after carrying out speed optimization, speed real-time control and speed interpolationon the data, outputting the motion data of each motor shaft in an interpolation cycle; the second logic unit outputs first feedback signals when the motion data of each motor shaft in a cycle is required; the first feedback signals and the control signals of the first logic unit pass through the conjunction gate, then synchronous control signals are outputted; after receiving the synchronous control signals, the first logic unit transmits the motion data of each motor shaft in a cycle to the second logic unit; and after receiving the motion data and carrying out computing on the motion data, the second logic unit outputs pulse signals for controlling motors.

Description

technical field [0001] The invention belongs to the technical field of numerical control of electromechanical integration, in particular to a high-speed numerical control system based on a dual-core framework that works cooperatively. Background technique [0002] The equipment manufacturing industry undertakes the important task of providing equipment for various industries in the national economy. Any country, for its own development and safety, will take the development of the equipment manufacturing industry as a national strategy. The "work machine" represented by CNC machine tools and CNC equipment is a typical representative of advanced machinery manufacturing equipment in the equipment manufacturing industry. [0003] The motion control system of automatic machining is a key part of the entire CNC system, which directly determines the performance, function, reliability and cost of machine tool equipment. [0004] The traditional CNC system's automatic processing mot...

AI Technical Summary

Problems solved by technology

[0005] First, because the spatial geometric information of the front and rear small paths and the operating capacity of the motor are not considered, the machine tool will frequently accelerate and decelerate during the entire operation process, which not only reduces the processing efficiency, but also seriously affects the surface quality of the processed firmware.

[0006] Second, the workload of interpreting NC codes is large and requires a lot of computing time of the CPU. Therefore, online interpretation of NC codes will affect the processing time of the CPU for other modules, resulting in the inability of the machine tool to run at high speed.

[0007] Third, no matter how fast a single CPU is, its processing capacity is limited

Since the entire CNC system not only needs to control the operation of the machine tool quickly and in real time, but also needs to manage some slow devices, it is easy to cause CPU competition and other problems, resulting in system instability

[0008] Fourth, using a PC as a controller is expensive and not suitable for popular use

Images