Wireless state monitoring and maintenance decision system for numerically-controlled machine tool by PLC (programmable logic controller)

Abstract

The invention provides a wireless state monitoring and maintenance decision system for a numerically-controlled machine tool by a PLC (programmable logic controller). The system comprises a wireless control module and a wireless controlled module; the wireless control module comprises wireless transmitting and receiving modules and a computer, the wireless controlled module comprises wireless transmitting and receiving modules, an information acquisition module, the PLC and a controlled body, namely the machine tool, and the information acquisition module is mainly used for acquiring information of the operating state of each point of the machine tool. Reasonable monitoring is adopted for the machine tool, and on the basis of deep analysis of fault data, a double Weibull proportional hazard model including early fault and random fault is established.

Description

technical field [0001] The invention belongs to the field of mechanical control, and particularly relates to a wireless PLC for state monitoring and maintenance decision-making of a numerically controlled machine tool. Background technique [0002] PLC is often used in industrial control, but for PLC data communication is carried out through RS485, RS232 wired way, for general users, PLC equipment is designed and integrated in the transformation or improvement project, in this case re- It is very troublesome to lay out communication lines, and in some occasions it is impossible to wire at all; and for machine tools in use, most of them are repaired only when there is a fault, which increases the cost of maintenance and also needs to check the fault point. Contents of the invention [0003] In order to solve the many inconveniences caused by the wired use of PLC control in industrial control, the present invention provides a wireless detection to monitor the use status of t...

AI Technical Summary

Problems solved by technology

[0002] PLC is often used in industrial control, but for PLC data communication is carried out through RS485, RS232 wired way, for general users, PLC equipment is designed and integrated in the transformation or improvement project, in this case re- It is very troublesome to lay out communication lines, and in some occasions it is impossible to wire at all; and for the machine tools in use, most of them are repaired only when there is a fault, which increases the cost of maintenance and also needs to check the fault point

Images