Distributed Ice Protection Control System for Aircraft
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Solution Overview
Problem
Existing ice protection systems for aircraft are prone to single point failures and require customized controllers for modifications, making them inflexible and specific to particular aircraft, which limits their effectiveness and maintainability.
Innovation Solution
A distributed ice protection system utilizing a distributed control system with a server/client communication protocol, featuring generic control modules and servers that are redundant and adaptable, allowing for independent operation and easy reconfiguration across various aircraft platforms, thereby preventing single point failures and simplifying maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If customized controllers are used for each ice protection task, then the system can be specifically tailored to particular aircraft, but the system becomes susceptible to single point failures and requires new customized controllers for modifications
Solution Approach 1:
The ice protection system is divided into multiple independent zone controllers, each managing a specific aircraft zone. This segmentation prevents single point failures from affecting the entire system, as each controller operates independently. The master controller coordinates these segmented controllers while maintaining system-wide reliability.
Solution Approach 2:
The system employs a universal master controller that can manage multiple zone controllers across different aircraft platforms. This universal controller reduces the need for completely customized controllers for each aircraft modification, as it can be reconfigured to handle different zone configurations and aircraft types through software rather than hardware changes.
2Adaptability or versatility
If customized controllers are used for each ice protection task, then the system can be specifically tailored to particular aircraft, but modifications require new customized controllers
Solution Approach 1:
The master controller serves multiple aircraft platforms and zone configurations through software reconfiguration rather than hardware redesign. This universal controller reduces modification complexity by allowing system adaptability through programmable logic and configuration parameters rather than requiring new customized hardware controllers for each aircraft type or modification.
Solution Approach 2:
The system allows modifications through changing operational parameters and configuration settings in the master controller software, rather than requiring physical hardware changes. Zone boundaries, control parameters, and system behavior can be adjusted by modifying software parameters, enabling easy adaptation to different aircraft configurations without creating new customized controllers.
3Reliability
If a distributed control system is implemented, then single point failures are prevented and maintenance efficiency is improved, but the system architecture becomes more complex
Solution Approach 1:
The control system is segmented into a master controller and multiple independent zone controllers, each managing specific aircraft zones. This segmentation distributes control functions across multiple independent units, preventing single point failures while maintaining manageable complexity through clear hierarchical relationships and defined communication protocols between master and zone controllers.
Data Source
AI summary
The present application includes a distributed ice protection system that utilizes a distributed control system with a server/client communication protocol to prevent single point failures, reduce affected system loss when a failure occurs, improve required maintenance turn around time, and provide a tailorable, interactive, integrated, cross platform solution for a variety of aircraft ice protection requirements. The distributed ice protection system includes master servers and control modules that are compatible with a variety of aircraft platforms. The control modules interface with individual anti-ice and de-ice hardware components on the aircraft.