Motor Driven Appliance Abnormality Segmentation
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Solution Overview
Problem
Motor-driven appliances often face issues where users are unnecessarily burdened with notifications for abnormalities that can be cleared by simply retriggering the operation switch, leading to confusion and increased reliance on instruction manuals.
Innovation Solution
A motor-driven appliance is designed with a control unit, abnormality detection unit, and processing unit that differentiate between first-type and second-type abnormalities, executing specific processes only when a second-type abnormality is detected, thereby avoiding unnecessary notifications and simplifying user interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the appliance notifies users of all abnormalities, then users are informed of all issues, but users are burdened with unnecessary notifications for abnormalities that can be cleared by retrigger
Solution Approach 1:
The patent segments abnormalities into two distinct types: first-type abnormalities that can be cleared by retrigger (switching the operation switch from on to off) and second-type abnormalities that cannot be cleared by retrigger. This segmentation allows the notification system to selectively notify users only about second-type abnormalities, thereby reducing unnecessary notifications while maintaining reliable information about serious issues.
2Loss of information
If the appliance provides comprehensive abnormality information, then users can understand all issues, but users must refer to instruction manuals to examine particulars
Solution Approach 1:
By dividing abnormalities into first-type and second-type categories, the system provides differentiated information to users. First-type abnormalities (clearable by retrigger) are not notified to avoid confusion, while second-type abnormalities (requiring manual intervention) are notified to ensure users are informed of serious issues. This segmentation eliminates the need for users to consult instruction manuals to understand notification details.
3Reliability
If the appliance executes specific processes for all abnormalities, then all issues are addressed, but the system becomes more complex
Solution Approach 1:
The control system is simplified by segmenting abnormality handling into two distinct pathways: for first-type abnormalities, the system executes a simple retrigger clearing process; for second-type abnormalities, the system executes specific processing routines. This segmentation reduces overall system complexity compared to implementing a single complex handling mechanism for all abnormality types.
Data Source
AI summary
A motor driven appliance comprises a battery, a motor, at least one switch, a control unit, an abnormality detection unit, a determination unit, and a processing unit. The at least one switch comprises an operation switch. The control unit controls driving of the motor by controlling power supply from the battery to the motor when the operation switch is turned on. The abnormality detection unit detects abnormality of the appliance. The determination unit determines whether the detected abnormality is a first type abnormality that can be cleared when the operation switch is switched from on to off, or is a second type abnormality that cannot be cleared even if the operation switch is merely switched from on to off. The processing unit is configured to perform a specific process when it is determined that the detected abnormality is the second type abnormality.