Remote Lighting Control With Adaptive Command Rate Synchronization
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Solution Overview
Problem
Existing lighting control systems experience latency and synchronization issues due to RF protocol limitations, leading to undesirable visual effects and a poor user experience.
Innovation Solution
A remote control device with a processor that detects continued or excessive user interaction, reducing the transmission frequency of command messages to prevent such issues, and includes a usage timer and visual indicators to manage this process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the transmission frequency of command messages is increased to improve responsiveness to user interaction, then the lighting control device can more quickly adjust lighting levels, but latency and synchronization issues worsen due to RF protocol limitations
Solution Approach 1:
The transmission frequency is made dynamic rather than static. The system automatically adjusts the transmission frequency based on the current usage state - using higher frequencies during active user interaction and lower frequencies during idle periods. This dynamic adaptation resolves the contradiction by optimizing responsiveness when needed while minimizing latency and synchronization issues when continuous high-frequency transmission is not required.
2Measurement precision
If command messages are transmitted continuously at high frequency to maintain precise lighting control, then lighting level adjustment precision is improved, but the system experiences more latency and synchronization problems
Solution Approach 1:
The system implements periodic transmission of command messages rather than continuous transmission. During active usage, messages are sent at regular intervals appropriate for the interaction state. During idle periods, transmission frequency is reduced. This periodic action maintains sufficient control precision while reducing the cumulative latency and synchronization problems that would result from continuous high-frequency transmission.
3Reliability
If the transmission frequency is reduced to minimize latency and synchronization issues, then system reliability improves, but the responsiveness to continued user interaction deteriorates
Solution Approach 1:
The transmission frequency adapts dynamically based on the detected usage state. When continued user interaction is detected, the system increases transmission frequency to maintain responsiveness and ease of operation. When the system is idle, it reduces transmission frequency to minimize latency and synchronization issues. This dynamic behavior resolves the contradiction by providing high responsiveness only when actually needed.
4Manufacturing precision
If command messages are transmitted at high frequency to ensure precise lighting control, then lighting level accuracy is maintained, but undesirable visual effects occur due to synchronization issues
Solution Approach 1:
The system uses periodic transmission with adaptive frequency to maintain lighting level accuracy while avoiding undesirable visual effects. By reducing transmission frequency during idle periods and using synchronization-aware transmission during active use, the system prevents the desynchronization that causes visual artifacts while maintaining sufficient control accuracy for proper lighting adjustment.
Data Source
AI summary
A remote control device for controlling lighting devices may be configured to detect an excessive user interaction (e.g., a continued user interaction) and reduce a number of command messages that are being transmitted to prevent the lighting devices from producing undesirable visual effects. The remote control device may comprise a user interface (e.g., that may include a rotation portion, such as a rotary knob) and a processor configured to receive an indication of a user interaction via the user interface. The processor may periodically transmit command messages at a transmission frequency in response to a continued user interaction, where each of the command messages comprise a respective command for adjusting to a respective lighting level. The processor may also start a usage timer in response to receiving the indication of the user interaction, and decrease the transmission frequency in response to the usage timer exceeding a usage threshold.