Linear multi-motor control system

A multi-motor control, linear technology, applied in the control system, motor generator control, motor speed or torque control, etc., can solve the problems of many position control signals, difficult zero calibration, etc., to reduce the demand for digital ports , Save installation space, cost-effective effect

Active Publication Date: 2020-06-05
NANJING XINXUAN ELECTRONICS SYST ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The application of multiple motion control on the same line is used in small test systems, assembly, etc., and the number of motion axes is large, resulting in many position control signals and difficult zero calibration.

Method used

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Embodiment Construction

[0033] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0034] A linear multi-motor control system of the present invention includes a controller 1, a host computer 2, a laser sensor 3, several stepping drives 4 and several through-type stepping motors 5;

[0035] The controller 1 is the core of the control system, which exchanges information with the upper computer 2 through the field bus, and provides an information exchange channel for the upper computer 2 linear multi-motor motion control;

[0036] The laser sensor 3 is used for zero calibration of the initial positions of several through-type stepper motors 5;

[0037] The controller 1 realizes the data reading of the laser sensor 3 through analog-to-digital conversion;

[0038] The controller 1 realizes multi-motor linear motion control by controlling the stepper drives 4 , and each stepper drive 4 correspondingly drives a single through-type...

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Abstract

The invention discloses a linear multi-motor control system which comprises a controller, an upper computer, a laser sensor, a plurality of stepping drivers and a through type stepping motor. The controller exchanges information with an upper computer through a field bus; the laser sensor is used for carrying out zero calibration on the initial positions of the plurality of through type stepping motors; the controller reads the data of the laser sensor through analog-to-digital conversion; the controller controls the stepping drivers, each stepping driver correspondingly drives the unique through type stepping motor to move, and multi-motor linear motion control is achieved. The invention is suitable for a time-sharing control multi-motor system, the digital port requirement of control information is reduced through sharing of control signals such as pulses and directions, and the larger the number of motors is, the larger the reduced number is; through a non-contact laser sensor, inclined installation is adopted, zero calibration of multiple motors is achieved at the same time, zero sensors are reduced, the system reliability is improved, and meanwhile the installation space is saved.

Description

technical field [0001] The invention belongs to the technical field of linear multi-motor control, and in particular relates to a multiple motion control system on the same straight line based on stepping drive. Background technique [0002] The through-axis linear stepping motor integrates the nut and the motor rotor. The screw shaft passes through the center of the motor rotor to fix the screw and prevent rotation. When the rotor rotates after the motor is powered on, the motor will move along the screw. linear motion. When using an externally driven linear stepping motor for high-speed linear motion, it is usually limited by the critical speed of the screw. Use a through-axis linear stepping motor to fix the screw and prevent rotation, and let the motor drive the slider of the linear guide rail. The operation is not limited by the critical speed of the screw rod. [0003] Through-shaft linear stepper motor, the nut is built into the structural design of the motor, which...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P8/40H02P8/00H02P5/00
CPCH02P5/00H02P8/005H02P8/40
Inventor 陈桂李振华胡诗羽丁飞于昊束嘉豪万其
Owner NANJING XINXUAN ELECTRONICS SYST ENG
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