Numerical Controller Tabular Data Reference Adjustment
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Solution Overview
Problem
Conventional numerical controllers using tabular data for machine operation face inefficiencies due to varying operating times for achieving target states across different machine configurations and parameter settings, leading to excessive power consumption and increased operating hours.
Innovation Solution
A numerical controller with an identification unit to specify control commands, a determination unit to calculate operating times, and a creation unit to adjust reference values for optimal operation, allowing for the creation of optimal control commands based on the same tabular data for diverse machine configurations and parameter settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the same tabular data is used for operation across different machine configurations, then operational consistency is maintained, but differences in power consumption and operating time occur due to varying machine characteristics
Solution Approach 1:
The patent modifies the reference value parameters in tabular data based on actual machine characteristics. The determination unit calculates corrected reference values by applying compensation amounts derived from machine-specific parameters (such as acceleration/deceleration rates, positioning speeds) to the original reference values, thereby adapting the operation data to match each machine's actual performance while maintaining operational consistency across different configurations
Solution Approach 2:
The system incorporates feedback mechanisms where the determination unit compares expected operation times with actual machine performance and adjusts reference values accordingly. This feedback loop enables the system to learn and adapt to each machine's characteristics, optimizing power consumption while maintaining operational consistency across different machine configurations
2Manufacturing precision
If operating time is calculated and accounted for each command to achieve target state, then machining accuracy is improved, but work complexity increases due to need for calculation and measurement for each command
Solution Approach 1:
The patent performs preliminary calculation of compensation amounts for reference values during the data preparation phase. By pre-calculating the adjustments needed based on machine characteristics and storing these compensation values, the system eliminates the need for complex real-time calculations during operation, thereby maintaining machining accuracy while reducing operational complexity
Solution Approach 2:
The determination unit serves multiple functions: it identifies control commands, calculates operating times, determines compensation amounts, and corrects reference values. This multi-functional approach consolidates what would otherwise be separate complex processes into a single integrated unit, reducing overall system complexity while maintaining machining accuracy
3Reliability
If reference value is determined by previously obtaining operating time by calculation or measurement for each command, then optimal control is achieved, but the process becomes complicated requiring separate calculations for each machine configuration
Solution Approach 1:
The system changes the reference value parameters dynamically based on machine-specific parameters. The determination unit calculates compensation amounts that reflect actual machine characteristics (acceleration rates, positioning speeds, etc.) and applies these to the original reference values, ensuring optimal control for each machine while using a unified process
Solution Approach 2:
The patent creates corrected tabular data that copies the structure and logic of the original data but incorporates machine-specific adjustments. This copying approach allows the system to maintain the proven operational logic of the original tabular data while adapting it to each machine's characteristics through systematic parameter modification, reducing the need for complete recalculation
Data Source
AI summary
A numerical controller configured for operation based on tabular data identifies a control command, calculates an operating time to achieve a target state for the control command, determines a time, an axis position, or a spindle position, which serves as a reference for the start of the operation, and starts the operation.