Vehicle Line-Locking Braking System Control

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Solution Overview

Problem

Conventional vehicle braking systems, particularly hydraulic systems, lack user-friendliness and reliability in achieving controlled tire traction during burn-outs, as they require complex synchronization of inputs and do not perform real-time monitoring of critical vehicle conditions, while aftermarket systems have reliability issues and are not integrated with the vehicle's original equipment.

Innovation Solution

A computer-implemented method and system that integrates an electric control module with a hydraulic braking system to control brake pressure distribution, performing preliminary system checks and real-time monitoring, allowing for controlled burn-outs without additional components, by assessing driver requests and vehicle conditions to ensure safe and repeatable operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a driver manually manipulates the service brake system to achieve controlled burn-out, then tire traction can be improved, but the operation becomes complex and difficult to synchronize

Engineering Contradiction:
Improvecontrolled burn-outVSAvoidbrake manipulation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system automatically performs the burn-out function by itself when the driver activates it. The control module autonomously manages brake pressure distribution between front and rear wheels without requiring the driver to manually coordinate multiple brake inputs, making the system self-sufficient and easy to operate.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical brake manipulation with an electronically controlled hydraulic system. The control module uses electronic signals to automatically regulate brake pressure distribution, substituting the complex mechanical coordination required by the driver with an automated electronic-hydraulic control system.

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

2Ease of operation

If aftermarket line-locking systems are installed to simplify burn-out control, then ease of operation improves, but reliability and integration with original vehicle equipment deteriorate

Engineering Contradiction:
Improveburn-out controlVSAvoidsystem integration
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent merges the line-locking functionality with the vehicle's original brake system by integrating a control module into the existing hydraulic braking system. This combination maintains reliability through original equipment integration while providing simplified automated burn-out control, eliminating the need for separate aftermarket systems.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The control module is designed to work with the vehicle's existing brake system components, making the system universal and compatible with original equipment. The module can perform both normal braking operations and specialized burn-out functions, providing multi-functionality without requiring dedicated aftermarket hardware.

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

3Extent of automation

If purely electric braking systems are used to control power distribution, then automated control improves, but system complexity and cost increase

Engineering Contradiction:
Improvepower distribution controlVSAvoidbraking system
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The patent uses the vehicle's existing hydraulic brake system to provide automated power distribution control. The control module regulates hydraulic brake pressure to different wheels based on detected vehicle conditions, leveraging the proven hydraulic mechanism rather than implementing a complex purely electric braking system.

Inventive Principle:
Principle #29Pneumatics and hydraulics

Solution Approach 2:

The control module acts as an intermediary between the driver's brake input and the hydraulic brake system. It automatically manages power distribution by modulating hydraulic pressure to front and rear brakes based on vehicle conditions, serving as a smart mediator that adds automation without requiring a complete electric braking system replacement.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Device complexity

If conventional hydraulic braking systems are used, then system simplicity is maintained, but real-time monitoring and automated control capabilities are lacking

Engineering Contradiction:
Improvebraking systemVSAvoidsystem monitoring
Core Design Contradiction:
Device complexityVSExtent of automation

Solution Approach 1:

The control module continuously monitors vehicle conditions such as wheel speed, steering angle, and brake pressure, using this feedback information to automatically adjust brake power distribution. This feedback mechanism enables real-time automated control while maintaining the simplicity of the underlying hydraulic system.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs preliminary detection of vehicle conditions before executing burn-out control. The control module assesses wheel speed, steering position, and other parameters in advance to determine optimal brake pressure distribution, enabling proactive automated control based on predicted vehicle state.

Inventive Principle:
Principle #10Preliminary action

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 provides a user-friendly, controlled, and repeatable burn-out feature using standard vehicle hardware, ensuring safe operation by monitoring key vehicle parameters and preventing mechanical or electronic malfunctions, without the need for aftermarket systems.

Implementation Method 1

controlling the application or release of brake pressure to each individual wheel by controlling the distribution of fluid between a hydraulic module and each individual wheel braking component

Methodology Applied
Scientific EffectHydraulic fluid distribution: Hydraulic Press

Data Source

PatentUS8297717B2Vehicle line-locking braking system and method
Publication Date: 2012.10.30 FORD GLOBAL TECH LLC
  • US8297717B2 patent drawing
  • US8297717B2 patent drawing
  • US8297717B2 patent drawing

AI summary

The present disclosure relates to various computer-implemented methods of line-locking a hydraulic vehicle braking system. A method includes performing a preliminary system check and controlling the distribution of fluid between a hydraulic module and an individual wheel-end brake component when the preliminary check is satisfied. The system continues to monitor predetermined vehicle inputs during activation.