Fuel Cell Remote Start Control via Dynamic Response Waiting Time

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Solution Overview

Problem

Remote start control failures occur due to differences in starting times between cold and normal start conditions in fuel cell electric vehicles, particularly at subzero temperatures, which affect the preparation time for the vehicle's motor and can lead to unsuccessful remote start operations.

Innovation Solution

A method and apparatus for remote start control of hydrogen fuel cell vehicles that differentiate between cold start and normal start modes based on fuel cell temperature, adjusting the response waiting time and signal delivery cycle to accommodate varying preparation times, ensuring successful remote start operations by transmitting start signals via a wireless communication network and in-vehicle networks like CAN.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a fixed response waiting time is used for remote start control, then the system is simple to operate, but remote start fails under cold start conditions due to insufficient preparation time

Engineering Contradiction:
Improveremote start controlVSAvoidremote start success rate
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent applies dynamics by making the response waiting time adjustable based on operating conditions. The system dynamically switches between a first response waiting time (for cold start conditions) and a second response waiting time (for normal conditions), allowing the control parameters to adapt to varying temperature conditions and ensure reliable remote start operation.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent changes the time parameter based on temperature conditions. When the operating condition indicates cold start (temperature below threshold), the system uses a longer first response waiting time to allow sufficient fuel cell preparation. When conditions are normal, it uses a shorter second response waiting time, optimizing both reliability and operational efficiency.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If the response waiting time is extended to accommodate cold start conditions, then remote start reliability improves, but the time required for normal start operations increases unnecessarily

Engineering Contradiction:
Improveremote start success rateVSAvoidstart preparation time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent optimizes time parameter selection based on operating conditions. By detecting whether the fuel cell is in a cold state or normal state, the system selects appropriate response waiting times: a longer first waiting time for cold starts to ensure reliability, and a shorter second waiting time for normal starts to minimize time loss.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The system dynamically adjusts the response waiting time parameter based on real-time temperature detection. This dynamic adaptation ensures that the system uses the minimum necessary waiting time for each condition, avoiding unnecessary time delays while maintaining remote start reliability across different operating scenarios.

Inventive Principle:
Principle #15Dynamics

3Device complexity

If remote start control is implemented without considering temperature conditions, then the system is simple to implement, but it fails to account for different preparation times required under varying temperature conditions

Engineering Contradiction:
Improveremote start control systemVSAvoidadaptability to temperature conditions
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The patent enhances adaptability by making the remote start control system dynamic and condition-responsive. The system detects temperature conditions and automatically adjusts control parameters (response waiting time) accordingly, enabling the simple remote start interface to adapt to complex varying conditions without increasing user-facing complexity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system performs self-adjustment based on detected conditions. The control unit automatically determines whether cold start or normal start conditions exist and selects the appropriate response waiting time without requiring user input or manual configuration, maintaining simplicity while achieving adaptability.

Inventive Principle:
Principle #25Self-service

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

The solution effectively reduces remote start failure rates by adapting to different start conditions, enhancing user convenience and mobility by ensuring reliable remote start functionality across varying temperature conditions.

Implementation Method 1

an electric vehicle (EV) uses a high-voltage battery instead of a fossil fuel as well as a motor instead of an engine. The major feature of EVs is that they have a charging operation, which is different from conventional vehicles including an internal combustion engine. A charging system for charging a battery equipped in the vehicle can be implemented in various forms.

Methodology Applied
Scientific EffectElectrochemical reaction: Fuel Cell

Data Source

PatentUS10391883B2Apparatus and method for remotely controlling fuel cell electric vehicle
Publication Date: 2019.08.27 HYUNDAI MOTOR CO LTD
  • US10391883B2 patent drawing
  • US10391883B2 patent drawing
  • US10391883B2 patent drawing

AI summary

A method for remote start control of a hydrogen fuel cell vehicle includes receiving a remote start command via a wireless communication network, transmitting a start signal corresponding to the remote start command through an in-vehicle network, transmitting a start mode in response to the start signal, determining a response waiting time corresponding to the start mode, receiving an operation result of the start signal through the in-vehicle network during the response waiting time, and transmitting the operation result over the wireless communication network.