Electronic Device User Presence Detection Power Control
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Solution Overview
Problem
Electronic devices consume unnecessary power by performing alarm operations and running applications in the background even when the user is not present, leading to potential malfunctions.
Innovation Solution
Incorporating environment sensors and other sensors to recognize the presence or absence of a user, allowing the device to control its operations accordingly, such as entering a power-saving mode when the user is not nearby.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the electronic device performs alarm operations and runs applications in the background continuously, then the device can respond to user needs promptly, but unnecessary power is consumed and malfunctions may occur
Solution Approach 1:
The system dynamically adjusts its operational state based on detected user presence. When a user is detected via environment sensors (temperature, humidity, gas concentration changes), the device transitions from a low-power state to an active state, performing alarm operations and running applications only when needed, thereby reducing unnecessary power consumption while maintaining reliability
Solution Approach 2:
The system uses environment sensors to continuously monitor changes in the surrounding environment and provides feedback to the control unit. This feedback mechanism enables the device to detect user presence indirectly through environmental parameter changes, allowing it to adjust its operational mode accordingly and avoid unnecessary operations when no user is present
2Productivity
If the device provides alarm notifications regardless of user presence, then important information is delivered, but the user experience deteriorates when the user is not nearby
Solution Approach 1:
The alarm notification system dynamically adapts its behavior based on real-time detection of user presence through environment sensors. When user presence is detected, the device provides comprehensive alarm notifications with full functionality. When no user is present, the device suppresses or modifies notifications to avoid disturbing the user or wasting power, thereby improving overall user experience while maintaining information delivery efficiency
3Measurement precision
If multiple sensors are used to recognize user presence, then recognition accuracy is improved, but device complexity increases
Solution Approach 1:
The system combines multiple environment sensors (temperature sensor, humidity sensor, gas sensor) to detect user presence. By merging the data from these different sensor types, the system achieves more accurate and reliable user presence recognition than any single sensor could provide alone, while the control unit processes the combined information efficiently
Solution Approach 2:
The environment sensors serve multiple functions: they monitor environmental conditions for user presence detection, track environmental changes over time, and provide data for various applications beyond just presence detection. This multi-functionality justifies the added complexity by providing versatile data collection capabilities
Data Source
AI summary
Various embodiments of the present disclosure relate to an electronic device including an environment sensor and a method for controlling an operation thereof. The electronic device may comprise: at least one environment sensor; and at least one processor functionally coupled to the at least one environment sensor and configured to control the at least one environment sensor to collect environment information at designated intervals, to recognize presence or absence of a user based on the collected environment information, and to control an operation of the electronic device according to the presence or absence of the user. Other various embodiments are possible.