Method for controlling at least one three-phase motor for a Cartesian robot implementing a safety function and system implementing such a method

FR3168658A1Pending Publication Date: 2026-05-22SEPRO ROBOTIQUE
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Patent Information

Authority / Receiving Office
FR · FR
Patent Type
Applications
Current Assignee / Owner
SEPRO ROBOTIQUE
Filing Date
2024-11-19
Publication Date
2026-05-22
Patent Text Reader

Abstract

Title: Method for controlling at least one three-phase motor for a Cartesian robot implementing a safety function and system implementing such a method. The invention relates to a method for controlling at least one three-phase motor, comprising, for the implementation of a safety function, the following steps: - measurement of the supply current of said motor; - analog transformation of said measured current into at least one speed signal; - comparison of the voltage of the speed signal to a reference voltage; and - activation of said braking means of said motor when said voltage of the speed signal is greater than or equal to said reference voltage. Figure for the abstract: Fig. 1
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Citation Information

Patent Citations

  • Restructuring collaborative robot joint integrated drive control system, method and application

    CN111070208A

  • Method of and apparatus for controlling the braking resistor of a frequency converter

    US4737900A

  • Enhanced braking system and method

    US7308352B2