Waveform Display Device with Automated Abnormal Region Search
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Solution Overview
Problem
Existing waveform display devices face challenges in optimally setting abnormal regions and determining the relationship between waveform data corresponding to these regions, making it difficult to obtain desired waveform data and understand machine tool operation states.
Innovation Solution
A waveform display device with a time series data acquisition part, search condition setting part, data search part, and search result display part that acquires, sets, searches for, and displays physical quantity data matching user-defined conditions, allowing for the extraction and visualization of relevant data in a predetermined range, including peak detection and rearrangement for prioritizing critical data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If abnormal regions are set by user key operation as in prior art, then waveform data can be displayed in abnormal regions, but it is difficult to set the abnormal regions in an optimal manner and the desired waveform data is liable to be unable to be obtained
Solution Approach 1:
The system automatically detects and sets abnormal regions by analyzing waveform data itself, without requiring user key operations. The abnormal region setting unit automatically identifies regions where abnormalities occur based on the waveform data, enabling the system to serve itself in setting the search conditions that would otherwise require manual user input.
Solution Approach 2:
The system changes the parameter of abnormal region settings from manual user-defined values to automatically calculated values based on waveform analysis. By deriving abnormal region parameters directly from the waveform data characteristics, the system optimizes the precision of abnormal region detection while maintaining ease of operation through automation.
2Quantity of substance
If all physical quantity data is displayed without search function as in basic waveform displays, then all data is visible, but it becomes difficult to obtain desired waveform data efficiently
Solution Approach 1:
The system performs preliminary actions by automatically setting search conditions and identifying abnormal regions before the user needs to analyze the data. The abnormal region setting unit pre-processes the waveform data to identify and mark abnormal regions, so when the waveform data is subsequently displayed, the desired abnormal regions are already highlighted and ready for user review, eliminating the need for manual search and improving data analysis efficiency.
Data Source
AI summary
A waveform display device displaying by a waveform a time series of physical quantity data in a machine tool having a servo motor controlled by a numerical control device, the waveform display device including: a time series data acquisition part acquiring the time series of physical quantity data; a search condition setting part setting a search condition of the physical quantity data; a data search part searching for physical quantity data satisfying the search condition set from the acquired physical quantity data; and a search result display part extracting a time series of physical quantity data in a predetermined range including the searched physical quantity data or other physical quantity data corresponding to the searched physical quantity data from the acquired physical quantity data, and displaying the extracted time series of physical quantity data by a waveform.