Chromatograph Control System Loop Time Visualization
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Solution Overview
Problem
In chromatograph mass spectrometers, the manual calculation of loop time for multiple overlapping events is cumbersome and can lead to excessively long measurement times, affecting accuracy and reliability.
Innovation Solution
An analyzing apparatus control system that displays measurement time ranges as range bars and computes loop times, allowing users to visualize and adjust overlaps, thereby reducing the complexity of setting measurement conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple measurements are set to be performed simultaneously in overlapping time ranges, then productivity is improved by performing more measurements in parallel, but device complexity increases due to the need to manage and coordinate multiple overlapping events
Solution Approach 1:
The system provides visual feedback through range bars displayed on a chromatograph to show users the time ranges of multiple measurements. This feedback mechanism helps users understand the temporal distribution and overlaps of measurements, enabling them to optimize measurement scheduling without being overwhelmed by complexity
Solution Approach 2:
The control system acts as an intermediary that automatically calculates and displays loop times for multiple events. This intermediary function simplifies the user's task by providing pre-calculated information about measurement timing and overlaps, reducing the cognitive load and complexity of managing multiple simultaneous measurements
2Measurement precision
If loop time calculation is performed manually for multiple overlapping events, then measurement precision can be controlled, but loss of time increases due to the cumbersome calculation process
Solution Approach 1:
The system performs self-service by automatically calculating loop times for multiple events based on the measurement conditions set by the user. This eliminates the need for manual calculation while maintaining precision, as the system itself computes the timing information that was previously required to be calculated by the user
Solution Approach 2:
The system performs preliminary calculation of loop times before the user finalizes measurement settings. By providing this information in advance through the display, the system enables users to make informed decisions about measurement scheduling without spending time on manual calculations
Data Source
AI summary
In an analyzing apparatus which is connected to a chromatograph, in which one more measurement events are performed based on a reference chromatogram, when multiple events overlap each other and are simultaneously performed, a loop time may become too long and therefore the measurement may not be properly performed. The system of the present invention includes: a time range displayer for displaying each of one or more measurement time ranges as a range bar; and a loop time displayer for computing a loop time, which is a time required for a unit measurement, for each of the measurement time ranges and displaying results of computations. Thereby, a user can intuitively know whether or not the measurement requires an adjustment.