Tool machine servo control simulation device and establishing method of structure model

A tool machine servo control simulation device for simulating features of a controlled body of a tool machine, comprising:

• a controlled body model, comprising a drive property parameter;
• and
• a processor, comprising:
• a signal receiver configured for receiving a plurality of time-domain position information, a plurality of time-domain velocity information and a plurality of time-domain torque information generated by the controlled body of the tool machine at a plurality of driving excitation frequencies;
• a function calculator configured for:
• respectively converting the time-domain position information, the time-domain velocity information and the time-domain torque information into a plurality of frequency-domain position information, a plurality of frequency-domain velocity information and a plurality of frequency-domain torque information;
• obtaining a plurality of frequency-domain position transfer response points and a plurality of frequency-domain velocity transfer response points according to the frequency-domain position information, the frequency-domain velocity information and the frequency-domain torque information;
• calculating the frequency-domain position transfer response points through a curve fitting method to obtain a position function having continuous distribution;
• calculating the frequency-domain velocity transfer response points through the curve fitting method to obtain a velocity function having continuous distribution;
• and
• combining the position function and the velocity function with the drive property parameter of the controlled body model.

A tool machine servo control simulation device for simulating features of a controlled body of a tool machine, comprising:

• a controlled body model, comprising a position function, a velocity function and a drive property parameter;
• and
• a processor, comprising:
• a signal receiver configured for receiving a plurality of time-domain position info nation, a plurality of time-domain velocity information and a plurality of time-domain torque information generated by the controlled body of the tool machine at a plurality of driving excitation frequencies;
• a function calculator configured for:
• respectively, converting the time-domain position information, the time-domain velocity information and the time-domain torque information into a plurality of frequency-domain position information, a plurality of frequency-domain velocity information and a plurality of frequency-domain torque information;
• obtaining a plurality of frequency-domain position transfer response points and a plurality of frequency-domain velocity transfer response points according to the frequency-domain position information, the frequency-domain velocity information and the frequency-domain torque information;
• calculating the frequency-domain position transfer response points through a curve fitting method to obtain the position function having continuous distribution;
• calculating the frequency-domain velocity transfer response points through the curve fitting method to obtain the velocity function having continuous distribution;
• and
• combining the position function and the velocity function with the drive property parameter to establish the controlled body model;
• a control signal receiver configured for receiving a servo command;
• and
• a simulation component configured for generating a simulation path according to the controlled body model in response to the servo command.