Modular Lighting Control Device with Secure Data Handling
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Solution Overview
Problem
Existing lighting control devices for outdoor applications, such as street lamps, are limited in their ability to adapt to different lighting types without requiring complete device replacement and lack sufficient security against manipulation, leading to high on-site repair costs and vulnerability to malware.
Innovation Solution
A device with communication, signal processing, and security means that can receive and transmit data via wireless networks, decrypt and encrypt data for secure control of lighting systems, and adapt to different lighting types without needing a new device, using hardware and software modules for secure, flexible, and efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a lighting control device is designed to control only one specific lighting means, then the device structure can be simplified, but the device must be completely replaced when converting to another lighting type
Solution Approach 1:
The control device is divided into separate functional modules: a control unit with processor and memory, communication means for data transmission, and security means for encryption/decryption. This modular architecture allows the control unit to be replaced or reconfigured for different lighting types without replacing the entire device, resolving the contradiction between simplified structure and adaptability.
Solution Approach 2:
The control device is designed with universal interfaces and protocols that can work with multiple lighting meanstypes. The communication means can transmit control signals compatible with different lighting technologies, and the security means provide standardized encryption/decryption functions, enabling one device to control various lighting types without complete replacement.
2Reliability
If security means are added to protect against manipulation and malware, then security is improved, but device complexity and repair costs increase
Solution Approach 1:
Security measures are implemented in advance through hardware security modules with pre-loaded encryption keys and authentication mechanisms. The security means are integrated into the device architecture from the beginning, providing automatic encryption of control signals and decryption of received data without requiring complex post-deployment security configurations or interventions.
Solution Approach 2:
The security means act as an intermediary layer between the communication means and the control unit. This intermediate security module handles all encryption and decryption operations, isolating the control unit from direct exposure to potential security threats while maintaining streamlined device architecture through dedicated security handling.
3Reliability
If encryption and decryption functions are implemented, then data security is improved, but processing time and energy consumption increase
Solution Approach 1:
The encryption and decryption functions are extracted as dedicated security means separate from the main control unit. This extraction allows the security operations to be performed by specialized hardware optimized for cryptographic functions, reducing the energy burden on the main processor and enabling efficient security processing with minimal impact on overall device energy consumption.
Data Source
AI summary
A device for controlling a lighting means is provided, which comprises at least one communication means, configured to receive first data and transmit second data via at least one wireless communication network and to at least partially forward the first data. The at least partially forwarded first data comprise third data. The device also comprises at least one security means, configured to at least partially decrypt the third data and to at least partially encrypt fourth data. The second data are at least partially based on the at least partially encrypted fourth data. The device also comprises at least one signal processing means, configured to control a lighting means connected to the device at least partially depending on the at least partially encrypted third data, to at least partially generate and/or to receive the fourth data, and to forward the received and/or generated fourth data.