Vehicle Battery Selection Using Longevity Prediction and Load Simulation

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current systems fail to adequately predict battery life and identify suitable batteries for evolving vehicle technologies, which are strained by advanced functionalities and environmental factors, leading to inconsistent performance and reduced battery life.

Innovation Solution

A system and method that evaluates and recommends batteries based on intended usage, environmental factors, and vehicle loads, using a battery longevity predictor and simulator to select the appropriate battery for a vehicle, considering factors like driving patterns, environmental conditions, and electrical load demands.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If advanced vehicle functionalities (start-stop technology, autonomous steering, etc.) are added to increase vehicle capability, then vehicle functionality is improved, but battery strain increases and battery life decreases

Engineering Contradiction:
Improvevehicle functionalityVSAvoidbattery life
Core Design Contradiction:
Adaptability or versatilityVSDuration of action of stationary object

Solution Approach 1:

The system performs preliminary assessment of battery health state and predicts remaining useful life before failure occurs. By evaluating multiple battery factors (temperature, voltage, current, age) and electrical load factors in advance, the system can proactively manage battery usage and recommend replacement timing, preventing unexpected failures while supporting advanced vehicle functionalities.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system continuously monitors battery performance and provides feedback through longevity predictions and replacement recommendations. This closed-loop feedback mechanism allows the system to adapt battery management strategies based on actual usage patterns and environmental conditions, optimizing battery life while supporting evolving vehicle functionalities.

Inventive Principle:
Principle #23Feedback

2Measurement precision

If comprehensive battery monitoring and prediction systems are implemented to improve battery life prediction, then prediction accuracy is improved, but system complexity increases

Engineering Contradiction:
Improvebattery life prediction accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system segments battery assessment into distinct components: battery factors (temperature, voltage, current, age) and electrical load factors (accessory usage, driving patterns). By dividing the complex prediction task into manageable segments, the system achieves high prediction accuracy while maintaining manageable system complexity through modular architecture.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system transforms complex battery degradation phenomena into quantifiable parameters and predictive metrics. By changing the representation of battery health from qualitative assessments to quantitative longevity predictions based on multiple measured parameters, the system achieves precise measurements without proportionally increasing system complexity.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP3781431B1System and method for battery selection
Publication Date: 2023.09.06 CPS TECHNOLOGY HOLDINGS LLC
  • EP3781431B1 patent drawingFigure 1
  • EP3781431B1 patent drawingFigure 2
  • EP3781431B1 patent drawingFigure 3~4

AI summary

Disclosed is a vehicle comprising a vehicle system having a system having a number of loads defining a load profile; a validated battery comprising one or more batteries which can fulfill the load profile; an integrated battery selected from the validated battery, the integrated battery selected for longevity relative to other batteries; wherein the validated battery is provided within the vehicle. Further disclosed is a battery longevity predictor comprising a plurality of battery factors; a plurality of electrical load factors; a plurality of cycling or crank data; an output; wherein the output comprises a battery longevity predictor based on the plurality of battery factors, plurality of vehicle loads, and the plurality of cycling or crank data.