Regenerative Braking Adaptation to Driver Habits

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Hybrid and electric vehicles face challenges in extending battery pack lifetime and increasing mileage while managing the increased cost and weight of larger capacity battery packs, as well as the time required for charging, which is alleviated by regenerative braking but can be optimized through adaptation to driving habits.

Innovation Solution

A regenerative braking method and device that accumulates a driver's deceleration level using a histogram to determine a regenerative braking level, controlling motor torque based on this level, and considering obstacles to maximize battery charge, thereby extending vehicle range.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Duration of action of moving object

If the capacity of the battery pack is increased to ensure long mileage, then the vehicle range is improved, but the cost and weight of the battery pack increase

Engineering Contradiction:

Improvevehicle rangeVSAvoidbattery pack weight

Core Design Contradiction:

Duration of action of moving objectVSWeight of moving object

Solution Approach 1:

The patent converts the harmful effect of discarded kinetic energy during braking into beneficial electrical energy through regenerative braking. The motor operates as a generator during deceleration, converting mechanical kinetic energy into electrical energy that charges the battery pack, thereby extending vehicle range without requiring a larger battery capacity

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The vehicle serves itself by recovering energy during braking operations. The regenerative braking system automatically captures kinetic energy that would otherwise be wasted, converting it to electrical energy for storage in the battery pack, reducing the need for external charging and extending mileage without additional weight

Inventive Principle:

Principle #25Self-service

2Duration of action of moving object

If the capacity of the battery pack is increased to ensure long mileage, then the vehicle range is improved, but the charging time becomes longer

Engineering Contradiction:

Improvevehicle rangeVSAvoidcharging time

Core Design Contradiction:

Duration of action of moving objectVSLoss of time

Solution Approach 1:

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The regenerative braking system enables continuous energy recovery during all deceleration events throughout the vehicle operation. By capturing energy during every braking opportunity rather than relying on periodic external charging, the system continuously extends the effective range of the vehicle without additional charging time

Inventive Principle:

Principle #20Continuity of useful action

3Use of energy by moving object

If regenerative braking is used to extend mileage, then the battery charge is improved, but the braking performance may be compromised without adaptive control

Engineering Contradiction:

Improvebattery chargeVSAvoidbraking performance

Core Design Contradiction:

Use of energy by moving objectVSReliability

Solution Approach 1:

The patent implements dynamic adaptation of regenerative braking torque based on accumulated driver deceleration patterns. The control system learns the driver's preferred deceleration characteristics and adjusts the regenerative braking torque accordingly, ensuring that braking performance matches driver expectations while maximizing energy recovery

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system accumulates and analyzes driver deceleration data to create a feedback loop that optimizes regenerative braking control. By monitoring and learning from actual driver behavior patterns, the system adjusts torque application to maintain reliable braking performance while maximizing battery charge efficiency

Inventive Principle:

Principle #23Feedback

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

This approach optimally adapts to driving habits, maintaining a maximal battery charge and significantly increasing the movable distance of the vehicle by efficiently converting kinetic energy back into electrical energy during deceleration.

Implementation Method 1

Regenerative braking refers to technology for converting kinetic energy that is discarded during deceleration and braking to electric energy through the motor and charging a battery

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentUS10821834B2Method and device for regenerative braking of transportation device

Publication Date: 2020.11.03 SAMSUNG ELECTRONICS CO LTD

AI summary

Provided are a regenerative braking method and device for a transportation device. A regenerative braking method through adaptation to a driving habit includes accumulating a deceleration level of a driver, determining a regenerative braking level based on the accumulated deceleration level, and controlling a torque of a motor based on the regenerative braking level.