Dynamic Route Calculation Using Predicted Vehicle Position
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Solution Overview
Problem
Existing navigation systems cannot safely calculate and provide routes to destinations while a vehicle is in motion, as they do not consider the vehicle's driving situation, leading to potential accidents or deviations from the route.
Innovation Solution
An apparatus and method that includes a situation recognizer, distance calculator, and route calculator to determine if a route needs recalculating, estimate movement distance based on vehicle speed and time, and calculate a future vehicle position to provide an optimal route to the destination, considering the current driving situation and lane changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If route calculation is performed while the vehicle is moving, then the route can be updated in real-time, but the accuracy of the starting position may deviate from the actual vehicle position
Solution Approach 1:
The system performs preliminary actions by calculating the vehicle's future position based on current speed, direction, and estimated processing time before actually computing the route. This predicts where the vehicle will be when the route calculation completes, ensuring the starting position matches the actual vehicle location at that future moment.
Solution Approach 2:
The system dynamically adjusts the starting position for route calculation based on real-time vehicle speed and direction. Instead of using a static current position, it calculates a dynamic future position that accounts for vehicle movement during the route computation process, making the system adaptive to changing driving conditions.
2Productivity
If the route is calculated based on current vehicle position, then the calculation is simple and fast, but the vehicle may have already moved away from the calculated route by the time navigation begins
Solution Approach 1:
The system performs preliminary calculation of the vehicle's future position using current speed and direction data before initiating full route computation. This advance prediction ensures that when the route is finally calculated and displayed, the vehicle is already at or near the correct starting position, maintaining both speed and accuracy.
Solution Approach 2:
The system introduces an intermediary step - calculating the future position based on speed and direction - between the current vehicle position and the final route calculation. This intermediary prediction acts as a bridge, accounting for vehicle movement during processing without requiring complex real-time tracking throughout the calculation process.
3Measurement precision
If the navigation system waits for the vehicle to stop before calculating the route, then position accuracy is maintained, but driving time is increased and convenience is reduced
Solution Approach 1:
The system performs preliminary calculation of where the vehicle will be positioned when route computation completes, based on current speed and direction. This allows continuous route calculation during motion without waiting for stops, maintaining position accuracy through prediction rather than through vehicle cessation.
Solution Approach 2:
The system replaces the mechanical approach of stopping the vehicle to ensure position accuracy with a computational approach - calculating future position based on speed and direction vectors. This substitution eliminates the need for physical stopping while maintaining the mathematical precision required for accurate route calculation.
Data Source
AI summary
An apparatus for calculating a route in consideration of a vehicular driving situation includes a situation recognizer determining whether a route is required to be calculated; a distance calculator calculating an estimated movement distance in consideration of a vehicle speed and a first estimated time required for searching for a route leading to a destination when the route is required to be calculated; and a route calculator calculating a future position of a vehicle to which the vehicle will have moved by the estimated movement distance along a lane in which the vehicle is driving or along an optimal route from a vehicle position at a first point in time when the situation recognizer determined the route was required to be calculated, and calculating an additional optimal route leading to the destination, based on the future position of the vehicle as a starting point.