Lighting Control for Personal Care Devices
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Solution Overview
Problem
Personal care activities are often performed less effectively when a user is in a negative emotional state, which can lead to safety issues and reduced frequency of the activity due to poor experiences.
Innovation Solution
A method and system that adjust lighting conditions based on a user's current emotional state to influence a transition to a target emotional state using device usage data, sensor data, and look-up tables to determine appropriate lighting parameters for a light source, potentially combined with heat adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If lighting conditions are adjusted to influence emotional state, then user emotional state and performance improve, but device complexity increases
Solution Approach 1:
The system changes lighting parameters (color temperature, intensity, hue) to influence user emotional state. The processor adjusts these parameters based on detected emotional states, transitioning from cool/blue light for alertness to warm/yellow light for relaxation, thereby improving personal care activity effectiveness without requiring complex hardware modifications
Solution Approach 2:
The lighting system acts as an intermediary between the user's emotional state and personal care performance. By introducing ambient lighting as a mediating factor, the system indirectly influences user mood and behavior, avoiding direct intervention in the personal care device itself and thus managing complexity
2Reliability
If ambient lighting is used to improve mood, then personal care activity effectiveness increases, but energy consumption increases
Solution Approach 1:
The lighting system operates periodically or in intervals rather than continuously, adjusting lighting based on detected emotional states and activity phases. Lighting is activated during personal care activities and adjusted in response to real-time emotional detection, reducing overall energy consumption while maintaining effectiveness during critical periods
Solution Approach 2:
The system dynamically adjusts lighting parameters including intensity and color temperature based on user needs and activity context. By varying these parameters rather than maintaining constant high-intensity lighting, the system achieves mood influence and performance improvement with optimized energy consumption
Data Source
AI summary
According to an aspect, there is provided a computer-implemented method (100) for adjusting lighting conditions, the method comprising: receiving (102) device usage data relating to the use of a personal care device by a subject during a usage event; estimating (104), based on the device usage data, a current emotional state of the subject; receiving (106) an indication of a target emotional state of the subject; determining (108), based on the target emotional state of the subject, a lighting parameter to be applied to a light source to assist the subject in reaching the target emotional state; and operating (110) a light source to emit light according to the determined lighting parameter.