Boat Fender Winch Tangle Detection and Motor Protection

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Solution Overview

Problem

Boat operators face challenges in safely and conveniently deploying boat fenders, especially in stormy weather or large waves, and there is a need for remote control and automatic deployment systems that integrate with GPS and mobile devices for enhanced safety and convenience.

Innovation Solution

A system comprising motorized winches, controllers, and solar-powered receptacles that allow for remote deployment and retraction of boat fenders using wireless or wireline control signals, with smartphone apps for GPS-based automatic deployment and visual recognition software for tangle detection, enabling safe and efficient fender management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual deployment of fenders is used, then the system is simple and reliable, but the ease of operation deteriorates in stormy weather or large waves

Engineering Contradiction:
Improveease of fender deploymentVSAvoidadverse weather conditions
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent replaces manual mechanical deployment with motorized winches that automatically deploy and retract fenders using electrical motors, eliminating the need for operators to manually handle heavy fenders in adverse weather conditions

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

Solution Approach 2:

The system enables self-service operation where the fender deployment and retraction is performed automatically by the motorized mechanism without requiring operator intervention, allowing the boat to service itself during docking operations

Inventive Principle:
Principle #25Self-service

2Ease of operation

If remote control deployment is implemented, then the ease of operation improves, but the device complexity increases

Engineering Contradiction:
Improveremote control capabilityVSAvoidsystem complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent introduces a remote control system with wireless communication modules as an intermediary between the operator and the motorized winches, allowing control from a distance while managing complexity through modular communication protocols

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The control system is designed to be universal, supporting multiple control methods including wireless remote control, mobile application control, and automatic GPS-based deployment, allowing a single system to serve multiple operational needs

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

3Extent of automation

If automatic GPS-based deployment is added, then the extent of automation improves, but the device complexity increases

Engineering Contradiction:
Improveautomatic fender deploymentVSAvoidsystem complexity
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The system implements feedback loops where GPS location data is continuously monitored and fed back to the control system, which automatically triggers fender deployment when the boat approaches predetermined docking coordinates, enabling autonomous operation

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs preliminary actions by pre-programming GPS coordinates and deployment parameters before docking operations, allowing the automatic system to execute predetermined sequences without real-time intervention

Inventive Principle:
Principle #10Preliminary action

4Productivity

If motorized winches are used, then the productivity improves, but the reliability deteriorates due to potential line tangling

Engineering Contradiction:
Improvefender deployment speedVSAvoidsystem reliability
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The patent employs mechanical vibration or oscillating motion in the line feed mechanism to prevent line tangling and entanglement during rapid deployment, maintaining reliability while achieving high productivity through controlled vibrational movement

Inventive Principle:
Principle #18Mechanical vibration

Solution Approach 2:

The system uses dynamic control of the motorized winch operation, adjusting speed and tension in real-time based on line payout rate and environmental conditions, preventing tangling through adaptive motion control

Inventive Principle:
Principle #15Dynamics

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 system enables safe, convenient, and automated deployment of boat fenders, reducing the risk of damage during docking, especially in adverse weather conditions, by allowing remote control and automatic operation based on GPS location, and includes features for tangle detection and motor protection to ensure reliable operation.

Implementation Method 1

The winch may draw its power from a battery, where the battery is the onboard power supply or the battery is separate and recharged by a solar panel coupled to the battery

Methodology Applied
Scientific EffectPhotovoltaic effect: Photovoltaic Effect

Implementation Method 2

the line being attached to the fender, the line operable to pull up the fender into the receptacle through a second opening in the receptacle

Methodology Applied
Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentEP3283364B1Enhanced system and method for detangling and protection of automatic fender positioning systems
Publication Date: 2020.07.22 ARDITI SHMUEL SAM
  • EP3283364B1 patent drawingFigure 1
  • EP3283364B1 patent drawingFigure 2
  • EP3283364B1 patent drawingFigure 3

AI summary

An enhanced system and various methods for detangling and positioning of automatic fender positioning systems, comprising a system for stowing a boat fender in a fender receptacle, the receptacle having an opening for threading through a line, the line being attached to the fender, the line operable to pull up the fender into the receptacle through a second opening at the bottom of the receptacle, where upon while retracting the fender, the motor is configured to detect changes in current, and is configured to shut down if an overcurrent state is detected, the overcurrent state detection being based at least in part on a configured current limit.