Networked Controllers for Switchable Optical Filters
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Solution Overview
Problem
Current systems of networked controllers for switchable optical filters lack efficient communication and control mechanisms to manage light transmittance across multiple zones, leading to suboptimal user experience and energy efficiency in vehicles and buildings.
Innovation Solution
A system comprising a master controller and slave controllers, connected through various sensors and communication signals, that can transition switchable optical filters between states based on user input, environmental conditions, and sensor readings, allowing for coordinated light management across geographic zones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a master controller transmits switching commands to multiple slave controllers to manage switchable optical filters across different zones, then light transmittance control precision is improved, but system complexity increases
Solution Approach 1:
The system divides the vehicle into multiple geographic zones, each controlled by a dedicated slave controller. This segmentation allows precise independent control of light transmittance in each zone while maintaining overall system manageability through the master controller's coordinated command distribution.
Solution Approach 2:
The master controller acts as an intermediary that receives user input and environmental data, then intelligently distributes switching commands to appropriate slave controllers. This intermediary layer simplifies the control architecture by centralizing decision-making logic while enabling distributed execution across multiple zones.
2Ease of operation
If slave controllers are equipped with user interfaces to detect further switching commands, then user convenience is improved, but device complexity increases
Solution Approach 1:
Each slave controller is equipped with its own user interface and local control capabilities, allowing users to directly adjust light transmittance in their specific zone without requiring master controller intervention. This local quality enhancement provides zone-specific convenience while the modular architecture prevents overall system complexity from becoming unmanageable.
Solution Approach 2:
Slave controllers are pre-configured with user interfaces and local processing capabilities, enabling them to independently respond to user inputs without waiting for master controller commands. This preliminary preparation of local control functions improves responsiveness and user convenience while maintaining a simple hierarchical structure.
3Adaptability or versatility
If the master controller transmits switching commands based on GPS signals, clock signals, and sensor readings, then adaptability to environmental conditions is improved, but use of energy increases
Solution Approach 1:
The master controller periodically receives GPS signals, clock signals, and sensor readings at optimized intervals rather than continuously, enabling the system to adapt to changing environmental conditions while minimizing energy consumption. This periodic sampling approach balances adaptability with energy efficiency by updating control decisions only when necessary.
Solution Approach 2:
The system implements feedback mechanisms where sensor readings from light sensors, GPS location, and clock time are continuously monitored and fed back to the master controller. This feedback enables intelligent decision-making about when to transmit switching commands, improving adaptability to environmental conditions while avoiding unnecessary energy expenditure from constant command transmission.
4Area of stationary object
If relay slave controllers are used to extend the network to additional slave controllers, then geographic zone coverage is improved, but device complexity increases
Solution Approach 1:
Relay slave controllers are nested within the existing hierarchical structure, acting as intermediate nodes that receive commands from the master controller and forward them to additional slave controllers. This nesting approach extends geographic zone coverage while maintaining the overall master-slave architecture, preventing exponential complexity growth by organizing controllers in a structured, layered manner.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables precise control of light transmittance across multiple zones, enhancing user comfort, energy efficiency, and safety by automatically adjusting light levels based on environmental conditions and user preferences.
Implementation Method 1
The switchable optical filters may be configured to transition from a first state of relatively lower light transmittance to a second state of relatively higher light transmittance in response to application of a potential difference across the switchable optical filters
Implementation Method 2
The switchable optical filters may be configured to transition from a first state of relatively higher light transmittance to a second state of relatively lower light transmittance in response to light incident on the switchable optical filters
Data Source
AI summary
A system of networked controllers includes one or more switchable optical filters, and the switchable optical filters are photochromic and electrochromic. The system also includes a master controller, and one or more slave controllers operably connected to the one or more switchable optical filters. At least one of the one or more slave controllers is communicatively coupled to the master controller. The master controller is configured to transmit a switching command to the at least one of the one or more slave controllers. Each slave controller is operable, in response to receiving the switching command, to cause a corresponding switchable optical filter to transition from a first state to a second state.