Hydrogen Fueling Control Model for Fast Pressure-Temperature Management

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Solution Overview

Problem

Conventional hydrogen fueling processes for hydrogen fueled mobility are inefficient, slow, and lack flexibility in responding to varying conditions, with outdated communication protocols that hinder safety, compatibility, and reliability.

Innovation Solution

Implementing an optimized hydrogen fueling process using artificial neural network (ANN) and model predictive control (MPC) to enhance real-time performance and accuracy, with bidirectional communication protocols that adapt to surrounding conditions and utilize real-time measurement data for active control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If conventional hydrogen fueling protocols are used, then basic fueling functionality is maintained, but fueling speed and real-time performance are slow and inefficient

Engineering Contradiction:
Improvefueling speedVSAvoidfueling time
Core Design Contradiction:
SpeedVSLoss of time

Solution Approach 1:

The patent implements dynamic control of hydrogen fueling parameters including pressure ramp rate, temperature management, and flow rate adjustments based on real-time sensor data and predictive models, enabling the system to adaptively optimize fueling speed while maintaining safety constraints

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system performs preliminary cooling of the hydrogen storage system before fueling and uses predictive control algorithms to pre-calculate optimal fueling trajectories, preventing temperature and pressure excursions that would otherwise slow down the fueling process

Inventive Principle:
Principle #10Preliminary action

2Productivity

If aggressive fueling control is applied to increase speed, then fueling efficiency improves, but temperature and pressure safety limits may be exceeded

Engineering Contradiction:
Improvefueling efficiencyVSAvoidsafety
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The patent employs real-time feedback control using temperature and pressure sensors throughout the fueling system, with closed-loop control algorithms that continuously adjust fueling parameters to maintain operation within safety margins while maximizing fueling rate

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system incorporates safety buffers and margin-based control where temperature and pressure setpoints are established with built-in safety margins, and predictive models forecast future states to prevent limit violations before they occur

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

3Adaptability or versatility

If conventional unidirectional communication is used, then system simplicity is maintained, but real-time coordination and responsiveness to varying conditions are insufficient

Engineering Contradiction:
Improveresponse flexibilityVSAvoidcommunication system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a bidirectional communication protocol that serves multiple functions including real-time parameter exchange, predictive data sharing, diagnostic information transfer, and coordinated control commands between the hydrogen dispenser and vehicle system, replacing multiple separate communication channels with a unified multi-functional protocol

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Measurement precision

If real-time measurement and control systems are implemented, then fueling precision and safety are improved, but system complexity and cost increase

Engineering Contradiction:
Improvetemperature and pressure measurement accuracyVSAvoidcontrol system complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical control systems with electronic sensors and software-based control algorithms, using microprocessors and communication protocols to achieve precise measurement and control functions that would otherwise require complex mechanical instrumentation and actuation systems

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentEP4678966A1Hydrogen fueling method and device using control model
Publication Date: 2026.01.14 HYUNDAI MOTOR CO LTD
  • EP4678966A1 patent drawingFigure 1~2
  • EP4678966A1 patent drawingFigure 3~4
  • EP4678966A1 patent drawingFigure 5~6

AI summary

A method for hydrogen fueling to mobilities using hydrogen as fuel, of the present invention, includes the steps of: carrying out a first hydrogen fueling process controlled on basis of a first fueling protocol; obtaining fueling data obtained in the first hydrogen fueling process; and providing, on the basis of the fueling data, auxiliary control information for a second hydrogen fueling process.