Guided User Interface for Motor Drive Testing Oscilloscopes
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Solution Overview
Problem
Existing motor drive testing devices, such as oscilloscopes, require advanced electrical engineering knowledge to set up and interpret measurements, making it difficult for non-experts to perform efficient and accurate tests, and even experts find the process time-consuming.
Innovation Solution
A user interface configuration for an oscilloscope that guides users through motor drive testing by displaying menus for stage selection, test selection, and operational connectivity, automatically setting configurations, and interpreting results, allowing for easy and expedited advanced measurements on motor drives and motors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a standard oscilloscope interface is used for motor drive testing, then measurement capability is provided, but the device requires advanced electrical engineering knowledge to operate
Solution Approach 1:
The patent introduces an intermediary layer between the user and the oscilloscope's complex measurement capabilities. This intermediary is the guided menu system that translates user-friendly test selections into detailed measurement configurations. The menu acts as a mediator that handles the complexity of probe connectivity, measurement parameters, and interpretation automatically, while presenting simple options to the user.
Solution Approach 2:
The system performs self-service by automatically configuring measurement parameters, probe connections, and analysis settings based on the selected test type. The oscilloscope autonomously sets up the measurement environment without requiring manual configuration by the user, thereby eliminating the need for advanced electrical engineering knowledge while maintaining precise measurement capabilities.
2Measurement precision
If manual configuration of measurement parameters is used, then measurement accuracy can be optimized, but setup time increases significantly
Solution Approach 1:
The patent applies preliminary action by pre-configuring measurement parameters, probe connectivity settings, and analysis routines for common motor drive testing scenarios. These configurations are prepared in advance and stored as selectable test options in the menu system. When a user selects a test type, the pre-configured parameters are automatically applied, eliminating the need for manual setup while maintaining measurement accuracy.
Solution Approach 2:
The system dynamically changes measurement parameters based on the selected test type and motor drive stage. Rather than requiring manual optimization of each parameter, the system automatically adjusts voltage thresholds, current measurement ranges, frequency settings, and other parameters according to the specific test being performed, thereby maintaining accuracy while reducing setup time.
3Adaptability or versatility
If comprehensive test options are provided, then testing coverage is improved, but device complexity increases
Solution Approach 1:
The patent segments the comprehensive testing capabilities into organized hierarchical menus based on motor drive stages (rectifier stage, DC link stage, inverter stage, motor stage). Each stage contains only the relevant test options for that specific stage, preventing information overload. The segmentation allows comprehensive testing coverage while maintaining a simple, structured interface that guides users through appropriate tests for their specific needs.
Data Source
AI summary
A testing device configured to operate as a dedicated tool for testing motor drives and motor shafts guides a user (such as a test engineer or a technician) through the steps of testing the motor drive and shaft. The testing device is configured to output testing results to the user. By configuring the testing device to output specific motor drive and shaft measurement results and by guiding a user through the steps of performing the measurement, operation of the testing device is simplified.