Trailer Speed Warning Using Wheel Sensor Threshold Detection

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Solution Overview

Problem

The challenge is to effectively notify other drivers on highways about a trailer traveling at a relatively low speed, which can pose a danger of accidents due to the speed difference between the trailer and other vehicles.

Innovation Solution

A system and method that utilize a wheel speed sensor to monitor the trailer's speed and activate a notification device, such as lights or alarms, if the speed drops below a predetermined threshold, thereby alerting other drivers to the trailer's slower speed.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the powered vehicle travels at high speeds on highways, then productivity and efficiency are improved, but safety deteriorates when towing a trailer that must travel at lower speeds

Engineering Contradiction:
Improvetravel speedVSAvoidsafety
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

A notification device is introduced as an intermediary between the trailer and other vehicles on the highway. The device receives speed data from the trailer's speed sensor and activates warnings when the trailer travels at lower speeds, mediating the communication gap between the slow-moving trailer and fast-moving traffic without requiring the powered vehicle to reduce its speed

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If the powered vehicle reduces speed to match the trailer, then safety is improved, but productivity deteriorates due to slower travel on highways

Engineering Contradiction:
ImprovesafetyVSAvoidtravel speed
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The notification device serves as an intermediary that allows the powered vehicle to maintain high speeds while still ensuring safety. By communicating the trailer's actual speed to other drivers through visual or auditory warnings, the system eliminates the need for the powered vehicle to reduce speed to match the trailer

Inventive Principle:
Principle #24Intermediary (Mediator)

3Device complexity

If no notification is provided about the trailer's speed, then device complexity is minimized, but the harmful effect of speed discrepancy worsens

Engineering Contradiction:
Improvesystem complexityVSAvoidaccident risk
Core Design Contradiction:
Device complexityVSObject-generated harmful factors

Solution Approach 1:

The system implements feedback by continuously monitoring the trailer's speed through a speed sensor and comparing it against a predetermined threshold. When the trailer's speed falls below the threshold, the notification device receives a signal and activates warnings, providing real-time feedback about the speed discrepancy to other drivers

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The notification device acts as an intermediary that translates the trailer's speed data into visible or audible warnings for other drivers, bridging the information gap without requiring complex communication systems between vehicles

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS12340687B2Driving notification system and method
Publication Date: 2025.06.24 PETERSON MFG CO INC
  • US12340687B2 patent drawing
  • US12340687B2 patent drawing
  • US12340687B2 patent drawing

AI summary

Implementations described and claimed herein address the foregoing by providing systems and methods for driving notification. In one implementation, a method may include the operations of receiving an indication of a speed of a trailer, determining whether a parameter associated with the speed of the trailer meets a threshold, and activating a notification device based on the determination.