Vehicle Acceleration Misuse Detection With Speed Limiting Control

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Solution Overview

Problem

Existing methods for detecting and preventing incorrect operation of motor vehicles, such as excessive acceleration, are either not reliable, overly complex, or costly, and pose safety risks.

Innovation Solution

A method and system that utilize sensors to detect current acceleration behavior, a processing unit to determine improper acceleration, and a control unit to reduce maximum speed or alert the driver when improper acceleration is detected.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If high-frequency accelerator pedal movements are allowed over a longer period of time, then the driver can engage the operating point of the vehicle with the clutch or drive train not closed, but excessive thermal and mechanical loads are placed on the motor vehicle and excessive emissions are generated

Engineering Contradiction:

Improveability to engage operating point with clutch not closedVSAvoidthermal and mechanical loads

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The system continuously monitors accelerator pedal movements and provides feedback to the control unit. When high-frequency movements are detected over a longer period, the control unit responds by limiting the maximum speed or power output, thereby reducing thermal and mechanical loads while still allowing the driver to operate the vehicle with the clutch not closed.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The system dynamically adjusts the maximum speed or power output based on real-time detection of accelerator pedal behavior. When improper acceleration behavior is detected, the control unit dynamically limits the vehicle's performance parameters to prevent excessive loads, while maintaining normal operation under appropriate conditions.

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If high-frequency accelerator pedal movements are allowed, then the driver can operate the vehicle freely, but the risk of unauthorized error memory entries in the drive system increases

Engineering Contradiction:

Improvedriver operation freedomVSAvoidrisk of error memory entries

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The system uses feedback from the accelerator pedal sensor to continuously monitor driver input patterns. When high-frequency movements indicating improper operation are detected, the control unit responds by limiting vehicle performance, thereby preventing unauthorized error memory entries while maintaining driver freedom to operate the vehicle under normal conditions.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The system performs preliminary detection and evaluation of accelerator pedal movements before unauthorized operations can occur. By monitoring and evaluating the frequency and pattern of pedal movements in advance, the control unit can prevent improper operations and potential error memory entries before they happen.

Inventive Principle:

Principle #10Preliminary action

3Reliability

If conventional methods are used to detect and prevent incorrect operation, then some protection is provided, but the methods are either not reliable enough or very complex and costly

Engineering Contradiction:

Improvedetection reliabilityVSAvoidsystem complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The system uses existing sensors and control units already present in the vehicle to detect and prevent incorrect operation. The accelerator pedal sensor, processing unit, and control unit work together in a self-contained manner to monitor driver input and respond appropriately, eliminating the need for additional complex detection systems.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The control unit performs multiple functions: it manages normal vehicle operation, detects improper acceleration behavior, and limits vehicle performance when needed. By making the control unit multi-functional, the system achieves reliable detection and prevention without adding separate dedicated systems, thereby reducing overall complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS20250033639A1Method for detecting incorrect operation of a motor vehicle

Publication Date: 2025.01.30 DR ING H C F PORSCHE AG

AI summary

A method for detecting and correcting an incorrect operation of a motor vehicle (80) includes using at least one sensor unit (20) for detecting (100) data indicative of a current acceleration behavior of a driver of the motor vehicle (80). The method then includes using a processing unit (22) for determining (200) the current acceleration behavior of the driver of the motor vehicle (80) based on the data indicative of the current acceleration behavior. The method further includes using a control unit (24) for reducing acceleration for operation of the motor vehicle (80) and thereby controlling (300) an operation of the motor vehicle (80) based on the determined current acceleration behavior.