Mission-Based EV Battery Display for Charge and Recharge Planning

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Solution Overview

Problem

There is a need for an accurate system and method to display mission-based battery status information in electric vehicles, including charge level, range, and recharge time, to support operational planning and efficiency.

Innovation Solution

A system comprising a rechargeable battery with a sensor to detect charge levels and a display that shows required endurance based on operational parameters, minimum charge levels, and recharge time, applicable to both single and multi-battery packs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the battery charge level is continuously monitored and displayed with detailed operational data, then the reliability of operational information is improved, but the device complexity increases

Engineering Contradiction:
Improveaccuracy of battery status informationVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The battery system performs self-monitoring through integrated sensors that automatically detect charge levels and operational status without requiring external intervention. The system self-manages data collection and presentation through the display interface, reducing the need for complex external monitoring equipment while maintaining high reliability of battery status information.

Inventive Principle:
Principle #25Self-service

2Loss of information

If the display shows comprehensive battery operational data including charge level, range, and recharge time, then the loss of information is reduced, but the ease of operation decreases

Engineering Contradiction:
Improvecompleteness of battery status informationVSAvoiduser interface complexity
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

The battery status information is segmented into distinct operational parameters including charge level, range, and recharge time. Each parameter is displayed separately and clearly on the display interface, allowing users to access comprehensive information without being overwhelmed by a cluttered interface. This segmentation maintains completeness of information while improving ease of operation through organized presentation.

Inventive Principle:
Principle #1Segmentation

3Productivity

If the system provides detailed mission-based battery status information, then the productivity of operational planning is improved, but the loss of time for data processing increases

Engineering Contradiction:
Improveoperational planning efficiencyVSAvoiddata processing time
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The system performs preliminary calculations and preparations by continuously monitoring battery charge levels and pre-computing operational data such as remaining range and estimated recharge time. This advance preparation of battery status information eliminates the need for time-consuming data processing during critical operational planning moments, thereby improving productivity without significant time loss.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP3936376B1System and method for a mission-based battery status display for electric vehicles
Publication Date: 2026.03.18 HONEYWELL INTERNATIONAL INC
  • EP3936376B1 patent drawingFigure 1
  • EP3936376B1 patent drawingFigure 2
  • EP3936376B1 patent drawingFigure 3

AI summary

Systems and methods are provided for displaying operating data for a re-chargeable battery for an electric vehicle. The system comprises a re-chargeable battery for powering components of an electrical vehicle, a sensor that detects a present level of charge in the battery and a display. The display receives the present level of charge of the battery from the monitor and displays the present level of charge in the battery, a required level of endurance for the battery that is based on a planned operational parameter for the vehicle, a minimum level of charge in the battery that meets the required level of endurance, and an amount of time needed to re-charge the battery to achieve the minimum level of charge.