Modular LED Driver Mesh Network for Resilient Lighting Control
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Solution Overview
Problem
Existing lighting technologies do not effectively implement sensing and control in mesh type networks, lacking the level of redundancy and interconnectivity for robust operation and integration with various environmental and security systems.
Innovation Solution
A modular wireless sensor mesh network is integrated into lighting devices for mutual sensing and communication, enabling redundancy, interoperation with various systems, and complex control interactions through modules like LED driver, control I.O. board, sensor boards, and transceivers, using fuzzy logic and AI for self-correction and self-expansion, and enabling bidirectional communication within the light energy spectrum.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mesh network of lighting devices with communication and control functions is implemented, then system reliability and redundancy are improved, but device complexity increases
Solution Approach 1:
The lighting system is divided into multiple independent modular lighting devices, each capable of autonomous operation. Each module contains its own control circuitry, sensors, and communication capabilities, allowing the system to be segmented into functional units that can operate independently or in coordination, thereby improving reliability through distribution while managing complexity through standardization
Solution Approach 2:
Each lighting device is designed as a multi-functional unit that simultaneously provides illumination, sensing capabilities (motion, light level, temperature), wireless communication (RF and visible light), and control functions. This universality allows any device in the mesh network to perform multiple roles, reducing the need for specialized components and simplifying the overall system architecture despite the advanced functionality
2Adaptability or versatility
If multiple sensing and control functions are integrated into lighting devices, then adaptability and versatility are improved, but device complexity increases
Solution Approach 1:
Multiple functional components are merged into a single integrated lighting device module. The control circuitry combines dimming control, scene setting, sensor inputs (motion detectors, light level sensors, temperature sensors), and wireless communication transceivers into one unified unit. This merging approach enhances adaptability by providing comprehensive functionality in each device while managing complexity through integration rather than separate discrete components
Solution Approach 2:
The lighting devices incorporate dynamic capabilities including adjustable brightness levels, variable color temperature, and reconfigurable network roles. Each device can dynamically adapt its behavior based on sensor inputs and network conditions, with the ability to switch between different operational modes (illumination only, sensing only, routing node, coordinator) to optimize performance for different应用场景
3Adaptability or versatility
If wireless communication and sensing capabilities are added to lighting devices, then interoperation with external systems is improved, but energy consumption increases
Solution Approach 1:
The wireless communication and sensing operations are implemented using periodic transmission and sleep-wake cycles. Devices transmit data and receive commands at scheduled intervals rather than continuously, and sensors are activated periodically or event-driven. This periodic operation enables interoperation with external systems while significantly reducing average power consumption compared to continuous operation
Solution Approach 2:
The system incorporates feedback mechanisms where lighting devices monitor their own power consumption and operational status, and adjust their communication and sensing activity accordingly. Devices receive feedback from the network coordinator about power levels and operational requirements, allowing them to dynamically scale their communication and sensing functions to match available power resources
Data Source
AI summary
A light emitting diode driver module including a computer device having a data processing device, and a data storage device storing a software instruction set and an electrical circuit including a lighting output stage, an input-output stage, stage a sensor stage, a video stage, a power control and distribution stage, and a transceiver stage. The power control and distribution stage further having a switching stage enabled for switching to open circuit operation when sensing an over-voltage condition, the switching stage having a reset feature and wherein, the instruction set enables signal transfer with and between the input-output signal stage, sensor stage, power control and distribution stage, transceiver stage and an input port.