Synchronization Controller Reducing Mechanical Shock
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Solution Overview
Problem
Existing synchronization control methods generate mechanical shock during synchronization start due to erroneous setting of slave axis movement amount, leading to excessive acceleration or deceleration and inability to set the original synchronization start position accurately.
Innovation Solution
A synchronization controller that adjusts the master axis position at which the slave axis starts to be synchronized, using a synchronization operation instruction unit, a synchronization magnification changing instruction unit, and a position calculation unit to output instructions for gradual synchronization magnification change, reducing shock and allowing precise synchronization start position setting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the slave axis movement amount is set to a large value in the synchronization magnification changing instruction, then the slave axis can reach the desired synchronized speed, but the acceleration becomes larger than desired, generating mechanical shock
Solution Approach 1:
The patent applies dynamics by making the synchronization magnification changeable over time rather than fixed. The controller dynamically adjusts the synchronization magnification from an initial value to a final value during the synchronization process, allowing the acceleration profile to adapt and prevent excessive mechanical shock while achieving the desired synchronized speed.
Solution Approach 2:
The patent changes the synchronization magnification parameter from a constant value to a variable that transitions from an initial synchronization magnification to a final synchronization magnification. This parameter change enables smooth acceleration control, preventing mechanical shock by gradually adjusting the relationship between master and slave axis movements rather than applying a fixed large acceleration.
2Ease of operation
If the master axis position at synchronization start is set using multiple parameters, then the synchronization control can be performed, but the setting becomes complex and error-prone
Solution Approach 1:
The patent extracts the calculation of synchronization start position from the manual parameter setting process. Instead of requiring operators to set multiple parameters (initial synchronization magnification, final synchronization magnification, master axis movement amount, slave axis movement amount, and master axis movement amount before start), the controller automatically calculates the synchronization start position based on the essential parameters (slave axis movement amount and master axis movement amount), simplifying the operation and reducing errors.
Solution Approach 2:
The controller performs self-service by automatically calculating the synchronization start position and managing the synchronization magnification changes without requiring manual configuration of multiple complex parameters. The system uses the provided slave axis and master axis movement amounts to autonomously determine the optimal synchronization parameters, reducing operator burden and improving reliability.
Data Source
AI summary
In a synchronization operation instruction of a synchronization control of moving a slave axis at a certain ratio with respect to a master axis movement amount, a master axis movement amount before start of change of a synchronization magnification, used in an operation based on a synchronization magnification changing instruction, is determined by referring to a parameter of the synchronization operation instruction so that the operation based on the synchronization magnification changing instruction ends at a set synchronization start master axis position. With such a configuration, the synchronization control is started based on the synchronization operation instruction from the synchronization start master axis position set in the synchronization operation instruction.