Watercraft Drift Line Calculation for Engine-Off Positioning
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Solution Overview
Problem
Current nautical navigation devices do not provide drift pattern information, placing a burden on users to predict drift patterns, which can be inaccurate due to varying environmental conditions, making fishing more challenging.
Innovation Solution
A nautical drift managing device that determines a drift line for a watercraft to reach a specific position by receiving destination position information and obtaining external force information, using processing circuitry to calculate the drift line when the engine is stopped or in neutral, thereby reducing user burden and improving fishing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the user manually predicts drift patterns, then the navigation can be performed without additional device complexity, but the prediction accuracy deteriorates due to varying environmental conditions
Solution Approach 1:
The system automatically calculates drift patterns using sensor data from the watercraft itself, eliminating the need for manual user prediction. The processing circuitry uses external force information (wind, waves, current) to compute drift lines, making the system self-sufficient and improving accuracy without requiring additional external devices.
Solution Approach 2:
The patent replaces the manual mechanical prediction process with an automated computational system. Instead of users manually calculating drift based on environmental observations, the system uses processing circuitry to compute drift patterns algorithmically based on sensor data, substituting human cognitive effort with automated computation.
2Reliability
If the engine is continuously operated to maintain position, then the watercraft can reach the destination reliably, but the fuel consumption and noise increase
Solution Approach 1:
The system performs preliminary calculation of drift lines before the watercraft actually drifts. By computing the drift trajectory in advance based on environmental conditions, the system can guide the watercraft to the correct starting position, ensuring that the subsequent drift will naturally lead to the destination without requiring continuous engine operation for correction.
Solution Approach 2:
Instead of continuous engine operation, the system uses periodic updates of drift line calculations based on changing environmental conditions. The processing circuitry continuously monitors external force information and updates drift line recommendations, allowing the engine to operate intermittently only when needed to adjust position, rather than running continuously.
3Productivity
If the nautical navigation device provides only basic navigation information, then the device complexity remains low, but the fishing efficiency deteriorates due to lack of drift pattern information
Solution Approach 1:
The patent integrates multiple functions into a single navigation device: basic navigation guidance, drift pattern calculation, environmental condition monitoring, and fishing-specific assistance. The processing circuitry handles both general navigation tasks and specialized drift computation, making the device universal and eliminating the need for separate specialized equipment.
Solution Approach 2:
The system merges drift pattern calculation capabilities with standard navigation functions in a single integrated device. The sensor circuitry and processing circuitry are combined with the navigation display, creating a unified system that provides both navigation and drift information simultaneously, rather than requiring separate independent systems.
Data Source
AI summary
Provided is a nautical drift managing device. The nautical drift managing device includes an input circuitry to receive destination position information for a watercraft. Further, the nautical drift managing device includes a sensor circuitry to obtain external force information associated with the watercraft. Furthermore, the nautical drift managing device includes processing circuitry to determine, based on the destination position information and the external force information, a drift line associated with a drifting movement of the watercraft when an engine of the watercraft is stopped or neutral.