Hydrogen Fueling Communication Framework for Protocol Interoperability
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Solution Overview
Problem
Conventional hydrogen fueling processes for hydrogen fueled mobility lack efficient safety measures, compatibility, and bidirectional communication protocols, leading to inefficiencies and unsuitability for large-scale fueling.
Innovation Solution
A communication protocol framework is established to determine interoperability between hydrogen fueled mobility and dispensers, enabling identification and negotiation of compatible communication protocols, ensuring safety and efficiency through bidirectional communication, and handling emergency events.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional hydrogen fueling processes are used, then fueling can be performed, but safety measures are insufficient and compatibility between different systems is poor
Solution Approach 1:
The communication protocol framework is segmented into multiple layers including identification layer, negotiation layer, and execution layer. Each layer handles specific aspects of the fueling process, allowing complex safety and compatibility requirements to be managed through modular, organized protocol segments rather than a monolithic system.
Solution Approach 2:
The communication protocol framework acts as an intermediary between the hydrogen fueled mobility system and the dispenser system. It enables bidirectional communication and negotiation, allowing the two systems to identify compatible protocols and coordinate safely without requiring direct integration of their internal control mechanisms.
2Productivity
If conventional fueling processes without bidirectional communication are used, then the process is simpler, but efficiency and monitoring capability are reduced
Solution Approach 1:
The bidirectional communication protocol implements feedback mechanisms where the vehicle and dispenser continuously exchange status information, monitoring data, and control commands. This allows real-time adjustment of fueling parameters, error detection, and process optimization, significantly improving fueling efficiency and safety through active monitoring and responsive control.
Solution Approach 2:
The communication protocol performs preliminary identification and negotiation actions before the actual fueling process begins. The systems exchange capability information, determine compatible protocols, and establish communication parameters in advance, ensuring that the fueling process can proceed efficiently without interruptions or compatibility issues.
3Adaptability or versatility
If no protocol negotiation mechanism is implemented, then the system is simpler, but compatibility between different hydrogen fueled mobility and dispenser systems is poor
Solution Approach 1:
The protocol negotiation mechanism is dynamic and adaptive, allowing systems to identify available protocols, negotiate the best common protocol, and adjust communication parameters based on the specific capabilities of the connected systems. This dynamic adaptation enables broad compatibility across different manufacturers and system configurations while maintaining structured communication through the framework.
Data Source
AI summary
A communication method for hydrogen fueling, performed by a dispenser, comprises the steps of: identifying a communication protocol supported by a hydrogen fueled mobility and a communication protocol supported by a dispenser, based on a communication sequence performed by the hydrogen fueled mobility and information transferred by means of the communication sequence; and determining a communication protocol to be performed between the hydrogen fueled mobility and the dispenser, based on the communication protocol supported by the hydrogen fueled mobility and the communication protocol supported by the dispenser.