Electronic Device Shutdown via Motion and Image Detection
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Solution Overview
Problem
Smart home appliances often continue to run unnecessarily when users fall asleep or leave the premises, leading to power waste due to lack of automatic shutdown mechanisms.
Innovation Solution
An electronic device equipped with motion detecting sensors and an image capturing module that detects user activity and behavior patterns to determine when the user is not using the device, triggering a shutdown process while providing a warning and allowing for potential cancellation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the electronic device runs continuously without automatic shutdown, then user convenience is maintained, but power consumption increases and energy is wasted
Solution Approach 1:
The electronic device performs self-service by automatically detecting user absence through motion sensors and image capturing modules, then autonomously shuts down without requiring manual user intervention. The system serves itself by monitoring its own usage state and making shutdown decisions based on detected user behavior patterns.
Solution Approach 2:
The system implements feedback by continuously monitoring motion detection data and image capture information to determine user presence or absence. This feedback loop allows the device to adjust its operation state dynamically - remaining on when users are present and shutting down when users are absent - thereby optimizing power consumption while maintaining user convenience.
2Loss of energy
If the electronic device shuts down automatically, then power consumption is reduced, but the device may shut down when users are still using it
Solution Approach 1:
The system performs preliminary detection by capturing a sequence of images and detecting motion patterns over a predetermined time period before making shutdown decisions. This preliminary action allows the system to predict user absence with higher accuracy, ensuring shutdowns occur only when appropriate and avoiding premature shutdowns during active usage.
3Measurement precision
If motion detection and image capturing are used to detect user activity, then shutdown accuracy is improved, but device complexity increases
Solution Approach 1:
The system merges multiple detection functions into a unified shutdown control mechanism. Motion detection data and image capture information are combined and processed together to make comprehensive shutdown decisions, allowing the system to leverage multiple sensors while maintaining a cohesive and manageable device architecture.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Effectively reduces power consumption by automatically shutting down devices when not in use, based on user activity detection and behavior analysis, while ensuring user convenience through customizable shutdown options.
Implementation Method 1
at least one motion detecting device 30 arranged in the electronic device 1
Data Source
AI summary
A shutdown method of an electronic device includes detecting activity of a user; determining whether an activity range of the user is less than a predetermined value; determining whether the user is away from the electronic device when the activity range of the user is less than the predetermined value; capturing user images when the user is not away from the electronic device; determining whether any action has been performed by the user; determining whether the at least one action performed by the user matches a sleep habit when the at least one action has been performed by the user; and shutting down the electronic device when the user is away from the electronic device, or when no action has been performed by the user, or when the at least one action performed by the user match the sleep habit of the user.