Dual-Drive Signal Compensation for High-Speed Synchronized Control
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Solution Overview
Problem
Existing production systems face challenges in synchronizing drive signals from multiple systems, leading to synchronization errors and reduced processing speed when machining workpieces, particularly due to differences in gain between shafts.
Innovation Solution
An operation control device and program that combine and compensate drive signals from two systems, using transfer characteristics to generate a combined drive signal, thereby synchronizing operations and improving processing speed and accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If drive signals of two systems are simply superimposed on each other, then operation control is simplified, but synchronization errors occur due to gain differences between shafts
Solution Approach 1:
The patent applies preliminary action by calculating transfer characteristics of the first system in advance and using these characteristics to compensate the first drive signal before combining it with the second drive signal. This pre-compensation ensures that synchronization errors due to gain differences are corrected before the signals are superimposed, thereby maintaining synchronization accuracy while keeping the control structure relatively simple.
2Productivity
If processing speed is increased to improve productivity, then production efficiency improves, but synchronization errors increase
Solution Approach 1:
The patent applies feedback by calculating the transfer characteristics of the first system and using this information to compensate the first drive signal. The compensation is based on the dynamic characteristics of the system, which allows the synchronized operation to maintain accuracy even at higher processing speeds. The transfer characteristic calculation provides the necessary feedback information to adjust the drive signal in real-time conditions.
Data Source
AI summary
Provided are an operation control device and program, which are capable of appropriately combining drive signals of two systems enabling improvement in processing speed while suppressing occurrence of a synchronization error. The present invention comprises: a first drive signal output unit that outputs a first drive signal that is a drive signal of a first system; a second drive signal output unit that outputs a second drive signal that is a drive signal of a second system; a transfer characteristic acquisition unit that acquires a transfer characteristic of position control of the first system; a correction unit that corrects the output first drive signal to obtain a corrected drive signal by using the acquired transfer characteristic; a first operation speed calculation unit that calculates the operation speed of the first system from the corrected drive signal as a first operation speed; a second operation speed calculation unit that calculates the operation speed of the second system from the second drive signal as a second operation speed; a synthesized drive signal generation unit that generates a synthesized drive signal by combining the corrected drive signal and the second drive signal; and an operation control unit that controls the operation of the second system by using the first operation speed, the second operation speed, and the synthesized drive signal.