Amplifier selection device, amplifier selection method, and computer-readable storage medium having power source capacity display function

An amplifier selection method comprising:

• preparing a database containing a plurality of motor models expressing types of motors including servo motors and spindle motors along with information pertaining to an amplifier capacity and a feature amount for each of the motor models, as well as an operation program to execute a plurality of operations for each axis motors configured to drive respective axes in a machine, wherein the feature amount includes at least one of information pertaining to size of the amplifier, information pertaining to power consumed by the amplifier, and information pertaining to cost of the amplifier;
• obtaining information pertaining to the motor models selected for each of the spindle motors and the servo motors that drive respective spindle axes and servo axes necessary to configure a desired system;
• calculating necessary numbers of each spindle amplifier and servo amplifier for each amplifier capacity by referring to the database and extracting information pertaining to the amplifier capacities of the selected motor models;
• selecting spindle amplifiers to drive the spindle motors on the basis of the amplifier capacities and number of spindle motors;
• creating a combination of spindle amplifiers and servo amplifiers corresponding to the necessary amplifier capacities and numbers, for each selected spindle amplifier;
• extracting information pertaining to a feature amount of each created combination of spindle amplifiers and servo amplifiers by referring to the database;
• determining a combination of spindle amplifiers and servo amplifiers on a basis of the extracted information pertaining to the feature amounts;
• calculating a capacity of a main power source necessary for driving the motors and a capacity of a control power source necessary for driving the spindle amplifiers and the servo amplifiers by referring to the database;
• calculating time series data of a total value of power consumed by the motors for all axes when the operation program is executed;
• and
• displaying the selected combination of spindle amplifiers and servo amplifiers, and displaying the time series data of the total value of the power consumed by the motors for all axes along with the calculated main power source capacity and control power source capacity,
• wherein in the step of creating a combination of spindle amplifiers and servo amplifiers,
• in the case where a plurality of combinations of spindle amplifiers and servo amplifiers are present, a total value of the number of spindle amplifiers and servo amplifiers in each combination as well as a minimum value of the total value are calculated;
• and
• combinations in which the total value of the number of spindle amplifiers and servo amplifiers is higher than the minimum value by greater than or equal to a predetermined number are excluded from options for selection.

A computer-readable storage medium that storages an amplifier selection program causing a computer to execute:

• a motor model storage process for storing a database containing a plurality of motor models expressing types of motors including servo motors and spindle motors along with information pertaining to an amplifier capacity and a feature amount for each of the motor models, as well as an operation program to execute a plurality of operations for each axis motors configured to drive respective axes in a machine, wherein the feature amount includes at least one of information pertaining to size of the amplifier, information pertaining to power consumed by the amplifier, and information pertaining to cost of the amplifier;
• a motor model information obtainment process for obtaining information pertaining to the motor models selected for each of the spindle motors and the servo motors that drive respective spindle axes and servo axes necessary to configure a desired system;
• an amplifier number calculation process for calculating necessary numbers of each spindle amplifier and servo amplifier for each amplifier capacity by referring to the database and extracting information pertaining to the amplifier capacities of the selected motor models;
• a spindle amplifier selection process for selecting spindle amplifiers to drive the spindle motors on a basis of the amplifier capacities and number of spindle motors;
• a combination creation process for creating a combination of servo amplifiers corresponding to the necessary amplifier capacities and numbers, for each selected spindle amplifier;
• a feature amount extraction process for extracting information pertaining to a feature amount of each created combination of spindle amplifiers and servo amplifiers by referring to the database;
• an amplifier determination process for determining a combination of spindle amplifiers and servo amplifiers on a basis of the extracted information pertaining to the feature amounts;
• a power source capacity calculation process for calculating a capacity of a main power source necessary for driving the motors and a capacity of a control power source necessary for driving the spindle amplifiers and the servo amplifiers by referring to the database;
• a consumed power calculation process for calculating time series data of a total value of power consumed by the motors for all axes when the operation program is executed;
• and
• a display process for displaying the combination of spindle amplifiers and servo amplifiers selected in the amplifier determination process, and displaying the time series data of the total value of the power consumed by the motors for all axes along with the main power source capacity and the control power source capacity calculated in the power source capacity calculation process,
• wherein the combination creation process further includes:
• a process for calculating, in the case where a plurality of combinations of spindle amplifiers and servo amplifiers are present, a total value of the number of spindle amplifiers and servo amplifiers in each combination as well as a minimum value of the total value;
• and
• a process for excluding, from options for selection, combinations in which the total value of the number of spindle amplifiers and servo amplifiers is higher than the minimum value by greater than or equal to a predetermined number.