Mobile Device Lighting Control via Movement Direction Data
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Solution Overview
Problem
Existing lighting control systems using mobile devices cannot effectively anticipate and control lighting devices that will become the most influential as the user moves, limiting seamless illumination adjustments.
Innovation Solution
A method that utilizes movement direction data from a mobile device to determine and control the next lighting device that will impact the user, enabling proactive illumination adjustments by obtaining and providing movement direction data to identify and hand over control to the appropriate lighting device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the system controls only the currently nearest lighting device based on signal strength or time of flight measurements, then the control is simple and responsive to current position, but the system cannot anticipate or smoothly transition to lighting devices that will become influential as the user moves
Solution Approach 1:
The system performs preliminary action by determining and preparing control of the next lighting device before the mobile device actually reaches its influence area. The server identifies the next lighting device based on current position and movement direction, and pre-configures control parameters so that when the handover occurs, the transition is smooth and seamless without requiring complex real-time calculations at the moment of transition.
Solution Approach 2:
The system applies dynamics by continuously updating the determination of the next lighting device based on real-time movement direction data from the mobile device. Instead of static positioning-based control, the system dynamically adjusts which lighting device will be next based on the user's current trajectory, allowing the lighting control to adapt proactively to changing user movement patterns.
2Loss of time
If the system uses signal strength or time of flight measurements to determine nearest lighting device, then the control responds to current position, but it cannot predict which lighting device will influence the user next as they move
Solution Approach 1:
The server performs preliminary determination of the next lighting device using currently available movement direction data, rather than waiting until the user is already in the influence area of a new lighting device. This advance determination reduces the loss of time by preparing control parameters beforehand, while the movement direction information provides the necessary data to make accurate predictions about which lighting device will become influential next.
3Ease of operation
If the system performs handover based on detecting presence within influencing area, then the transition is automatic, but there may be delays or abrupt changes in lighting control
Solution Approach 1:
The system performs preliminary determination of the next lighting device and prepares control parameters in advance, before the mobile device actually enters the influence area. This allows the handover to be both automatic (triggered by presence detection) and smooth (with pre-configured parameters ready), eliminating delays and abrupt transitions by having everything prepared beforehand.
Solution Approach 2:
The system uses feedback from the mobile device's movement direction data to continuously update which lighting device is predicted to be next. This feedback loop ensures that the automatic handover is both timely and accurate, maintaining reliability by adjusting predictions based on actual user movement patterns rather than relying solely on static influence area boundaries.
Data Source
AI summary
A method of controlling lighting devices (4) via input from a mobile device (1), involving the operations of:upon movement of the mobile device, while being wirelessly connected with an influencing lighting device, obtaining movement direction data generated by the mobile device (1); andproviding the movement direction data for determining a next lighting device to be controlled.