Motor Control Device Parameter Auto-Reset Mechanism
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Solution Overview
Problem
Operators may inadvertently forget to return changed motor control parameter values to their initial settings after temporary adjustments or tests, leading to potential operational issues.
Innovation Solution
A motor control device and method that includes primary and secondary setting circuitry to temporarily change and then automatically reset control parameter values based on a predetermined time or condition, ensuring initial values are restored.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If operators manually change control parameter values for temporary adjustments, then the motor can be adjusted for testing or optimization, but the operators may inadvertently forget to return the values to initial settings
Solution Approach 1:
The system performs preliminary action by automatically restoring the initial parameter value after a predetermined time period following a parameter change. The control device stores the initial value and automatically retrieves it after the timeout period, preventing operators from forgetting to restore settings.
Solution Approach 2:
The system implements feedback by monitoring the parameter change timing and automatically triggering the restoration process. The control device tracks when parameters are modified and initiates the return to initial values after the predetermined period, creating a closed-loop safety mechanism.
2Reliability
If operators manually return changed parameter values to initial settings, then parameter reliability is maintained, but operational time and complexity increase
Solution Approach 1:
The system performs self-service by automatically restoring parameter values without requiring operator intervention. The control device autonomously monitors parameter changes, tracks the predetermined time period, and restores initial values automatically, eliminating the need for manual parameter management.
Solution Approach 2:
The system performs preliminary action by pre-storing initial parameter values and automatically retrieving them after the predetermined time period. This eliminates the need for operators to manually recall and re-enter initial values, saving time and reducing errors.
3Ease of operation
If the system automatically restores parameter values after a predetermined time, then operational convenience is improved, but the control system complexity increases
Solution Approach 1:
The control device performs multiple functions: it not only controls motor operation but also stores parameter values, tracks modification timing, determines predetermined time periods, and automatically restores initial values. This multi-functionality is achieved within the existing control device without adding separate dedicated systems.
Solution Approach 2:
The control device acts as an intermediary by storing initial parameter values and automatically retrieving them after the predetermined time period. This intermediary function simplifies the overall system by centralizing the restoration logic within the existing control device rather than requiring additional hardware or software components.
Data Source
AI summary
A motor control device includes a first storage configured to store indicated values of control parameters, motor control circuitry configured to control a motor based on the indicated values stored in the first storage, primary setting circuitry configured to set in the first storage at least one indicated value among the indicated values as a primary indicated value which corresponds to specific parameter among the control parameters, secondary setting circuitry configured to replace, based on a change instruction input via a terminal, the primary indicated value stored in the first storage with a secondary indicated value in accordance with the change instruction, and resetting circuitry configured to replace the secondary indicated value stored in the first storage with the primary indicated value when a return requirement is satisfied after the secondary setting circuitry has replaced the primary indicated value with the secondary indicated value.