Odometer Correction Factor via Telemetry Movement Profile
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Solution Overview
Problem
Existing methods for determining odometer readings using tire sensors are inaccurate due to limitations in measuring values above certain speeds, leading to incorrect mileage calculations.
Innovation Solution
A method involving a telemetry system for position tracking, data storage, and evaluation over time to determine a correction factor based on the vehicle's movement profile, including radius of movement and road classes, to refine odometer readings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If sensor-based odometer measurement is used, then energy consumption is reduced and basic functionality is maintained, but measurement precision deteriorates due to inability to measure below certain speeds
Solution Approach 1:
A telemetry system acts as an intermediary to provide position data that complements sensor-based odometer measurements. The telemetry system tracks vehicle position independently using satellite signals, providing accurate position information even when sensor measurements are unreliable at low speeds. This intermediary system enables correction of odometer readings without increasing sensor power consumption.
Solution Approach 2:
The patent replaces mechanical/sensor-based measurement with satellite-based telemetry measurement for position determination. Instead of relying on wheel speed sensors that have minimum detection thresholds, the system uses satellite positioning to determine vehicle location and calculate mileage, eliminating the speed threshold limitation while maintaining low energy consumption characteristics of electronic systems.
2Device complexity
If sensor-based odometer is used, then device complexity is reduced, but measurement precision deteriorates in certain driving conditions
Solution Approach 1:
The patent merges sensor-based odometer functionality with satellite-based telemetry positioning. The system combines data from both sources, using telemetry position data to correct and enhance sensor measurements. This combination maintains the simplicity of the basic sensor system while adding telemetry correction to improve accuracy in conditions where sensors alone are insufficient.
Solution Approach 2:
The telemetry system serves as an intermediary correction layer that processes position data and generates correction factors for the odometer. This intermediary processing adds minimal complexity to the existing sensor system while significantly improving measurement precision through mathematical correction based on telemetry position information.
3Measurement precision
If telemetry system is added for position tracking, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The telemetry system is designed with multi-functionality, serving both as a position tracking system for correction factor calculation and as a standalone navigation/positioning system. This universal design allows the same hardware infrastructure to support multiple functions, reducing the need for additional dedicated components and minimizing the net increase in system complexity.
Solution Approach 2:
The telemetry system performs self-service by automatically tracking position, calculating movement profiles, and generating correction factors without requiring additional manual intervention or complex external processing systems. The system uses its own position data to autonomously determine correction factors, reducing the need for additional control systems and simplifying the overall architecture.
Data Source
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AI summary
A procedure is proposed comprising the following steps: a) providing a vehicle with at least one telemetry system for position determination, b) tracking the vehicle position with the telemetry system at specified time intervals, c) storing the vehicle positions with a data storage device, d) evaluating the vehicle positions over a specified period, thereby determining a movement profile for the vehicle, e) determining a correction factor (4) for the odometer depending on the movement profile of the vehicle.