Marine Vessel Navigation Pattern Display System
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Solution Overview
Problem
Current marine autopilot systems lack an intuitive and interactive method for users to visualize, modify, and implement complex navigation routes, which can lead to potential collisions or navigation through dangerous waters, especially when repetitive tasks are involved.
Innovation Solution
A method and system for displaying and generating navigation patterns on a multi-function display (MFD) that allows users to define a center of turn or create an outline for a predetermined navigation pattern, enabling visualization and modification of routes on a computer screen, facilitating the creation of complex routes and allowing for user input to adjust the route in real-time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If current autopilot systems provide simple straight line or waypoint navigation, then the system operation is simple, but the vessel cannot navigate complex routes safely
Solution Approach 1:
The navigation route is segmented into multiple waypoints and navigation segments. Each segment connects consecutive waypoints and can be independently configured with specific parameters such as turn radius, speed, and bearing. This segmentation allows complex routes to be broken down into manageable components while maintaining overall navigational safety and control.
Solution Approach 2:
The system allows users to pre-plan and visualize the complete navigation route before execution. Users can define waypoints, plot the route on a display, and review the planned path to ensure safety. This preliminary planning action enables complex routes to be designed and validated in advance, preventing potential collisions and navigation errors.
2Reliability
If users manually monitor and adjust the route in real-time, then navigation safety is improved, but the user workload and time effort increase
Solution Approach 1:
The autopilot system performs self-navigation by automatically executing the pre-planned route without requiring continuous manual intervention. Once the route is defined and the autopilot is engaged, the system autonomously steers the vessel through the waypoints, adjusts speed and bearing as needed, and monitors the navigation progress. This self-service capability maintains safety while significantly reducing user time effort.
Solution Approach 2:
The system provides real-time feedback to users through visual display of the navigation route, current vessel position, and deviation from the planned path. Users can monitor the autopilot's progress and intervene if necessary, but the system automatically adjusts based on the pre-defined route parameters. This feedback mechanism ensures safety while minimizing the need for constant manual adjustment.
3Adaptability or versatility
If the system displays detailed navigation patterns and route options, then route planning capability is improved, but the display complexity and user interface complexity increase
Solution Approach 1:
The navigation display utilizes a two-dimensional map interface to represent the three-dimensional navigation space. Users can plot waypoints and view the route from a top-down perspective, which simplifies the visualization of complex three-dimensional navigation paths while maintaining full route planning capability. This dimensional representation makes the interface more manageable and less complex.
Solution Approach 2:
The display system serves multiple functions: it shows the navigation route, displays the current vessel position, indicates the planned path, and provides control options for route modification. By integrating these multiple functions into a single unified display interface, the system avoids the need for separate displays for each function, thereby reducing overall interface complexity while maintaining versatile route planning capabilities.
Data Source
AI summary
Various implementations described herein are directed to a method for displaying a route to be travelled by a marine vessel on a computer screen. In one implementation, the method may include receiving a command to display a predetermined navigation pattern corresponding to the route, receiving a request to place a center of turn on a first geographical location, and displaying the predetermined navigation pattern based on the center of turn on the computer screen.