Lighting Control System Show Time Override
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Solution Overview
Problem
Existing load control systems for lighting do not adequately meet user-specific needs for light output, as they often rely on automated schedules that fail to adjust according to task-specific requirements.
Innovation Solution
A load control system that allows users to adjust light output parameters such as intensity and color temperature by modifying the show time, enabling users to customize lighting settings through input devices like keypads or mobile applications, while maintaining the natural show schedule.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If automated light control systems adjust light output based on timeclock schedules, then lighting automation and energy efficiency are improved, but the system cannot meet user task-specific needs for light output
Solution Approach 1:
The system dynamically switches between automated timeclock control and manual user control modes. The dimming control device can operate in automated mode following pre-programmed schedules, or switch to manual mode where users can directly adjust dimming levels via user interface inputs, allowing the system to adapt to both automated efficiency requirements and task-specific user needs
Solution Approach 2:
The system changes the control parameter from fixed time-based automation to user-adjustable dimming levels. By accepting user inputs that specify desired dimming levels and translating these into corresponding control signals, the system allows users to modify lighting parameters directly according to their task requirements while maintaining the underlying automated control architecture
2Loss of energy
If load control systems gradually adjust light output over time, then energy efficiency is improved, but users cannot easily adjust lighting to meet specific task needs
Solution Approach 1:
The system introduces a user interface as an intermediary between the user and the dimming control device. The user interface accepts user inputs (such as button presses or slider positions) and translates them into appropriate dimming control signals, providing users with easy and intuitive control over lighting levels without requiring direct manipulation of the control device itself
Solution Approach 2:
The system maintains dynamic control capabilities by allowing users to intervene at any point in the gradual adjustment process. Users can override automated dimming schedules and set custom dimming levels through the user interface, enabling easy adjustment to meet specific task needs while preserving the energy-efficient gradual adjustment functionality when automated control is active
3Device complexity
If the system provides automated light output schedules, then system simplicity is improved, but the lighting does not meet user task-specific needs
Solution Approach 1:
The dimming control device is designed with multi-functionality to serve both automated and manual control purposes. It can execute pre-programmed timeclock schedules for automated operation while simultaneously providing user interface capabilities for manual adjustment, making the single device universally applicable to both automated efficiency requirements and user-specific task requirements without increasing overall system complexity
Data Source
AI summary
Systems and methods are disclosed for a load control system which produces a show by adjusting one or more parameter values, such as color temperature, intensity, spectrum, volume, load state, and position of a window covering, as a function of a show time equal to a current time of day. The load control system is responsive to receiving commands to adjust the show time with respect to the current time of day. The load control system is configured to respond to the received commands by initiating a temporary system override in which the one or more parameter values may rewind or forward in time according to the defined show. The temporary override may exit and the defined show may resume at the current time of day after a predetermined amount of time has passed, at a reset time, or in response to a command.