Vehicle Speed Recommendation Display for Energy-Efficient Driving
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Solution Overview
Problem
Existing vehicle propulsion control systems lack the capability to provide energy-efficient speed recommendations to operators, failing to account for internal and external factors such as route characteristics, vehicle conditions, and traffic information, which can lead to suboptimal energy consumption.
Innovation Solution
A system and method that determine a current speed, an energy-efficient speed, and a less energy-efficient speed, and display a visual recommendation zone on a dashboard, using a processor to calculate and display indicators for the current speed, energy-efficient speed, and less energy-efficient speed, along with a transition range, to guide the operator in optimizing vehicle speed for better energy efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the vehicle propulsion control system maintains a simple speed control function, then the device complexity is low, but the energy efficiency recommendation capability is insufficient
Solution Approach 1:
The display interface is segmented into multiple distinct zones (first display zone for energy efficient speed, second display zone for less energy efficient speed, third display zone for current speed). This segmentation allows the system to provide comprehensive energy efficiency recommendations without requiring complex system architecture, as each zone independently presents specific information.
Solution Approach 2:
The patent introduces an intermediary display system that mediates between the vehicle's propulsion control system and the operator. Instead of directly modifying the propulsion control system to provide complex recommendations, the display system acts as an intermediary to present energy efficiency information in an intuitive manner, thus improving energy efficiency guidance without significantly increasing system complexity.
2Loss of information
If the system provides detailed speed recommendations with multiple display zones, then the energy efficiency information is more comprehensive, but the ease of operation decreases due to increased information complexity
Solution Approach 1:
Different display zones are assigned different visual characteristics and information densities according to their specific function. The first display zone (energy efficient speed) and second display zone (less energy efficient speed) use distinct patterns and arrangements from the third display zone (current speed), allowing each region to optimize its information presentation for its specific purpose while maintaining overall usability.
Solution Approach 2:
Instead of presenting all speed information in a single complex display, the system inverts the approach by using multiple simplified display zones. Each zone presents a specific aspect of speed information in a straightforward manner, and the combination of zones provides comprehensive information without overwhelming the operator with a single complex interface.
3Measurement precision
If the system calculates and displays multiple speed indicators and transition ranges, then the measurement precision of speed recommendations is improved, but the device complexity increases
Solution Approach 1:
The system calculates not only the exact energy efficient speed but also includes transition ranges (first transition range and second transition range) that provide buffers around the optimal speed values. This partial excess action ensures that even with variations in driving conditions or measurement uncertainties, the operator receives robust guidance that maintains energy efficiency without requiring extremely precise real-time calculations.
Solution Approach 2:
The system presents speed information in multiple parameter forms: specific speed values, speed ranges, and transition ranges. By changing the parameter representation from single precise values to ranges and zones, the system maintains measurement precision while reducing processing complexity, as ranges can be calculated and displayed more efficiently than continuous precise values.
Data Source
AI summary
A method for providing a visual driving speed recommendation to an operator of a vehicle includes determining a current speed; determining a corresponding energy efficient speed; determining a higher corresponding less energy efficient speed; determining a first transition range between the corresponding energy efficient speed and the higher corresponding less energy efficient speed; and displaying, on a display, a display zone, the display zone comprising: a first indicator corresponding to the current speed; a first pattern corresponding to the corresponding energy efficient speed; a second pattern different from the first pattern and corresponding to the higher corresponding less energy efficient speed; and a first pattern range therebetween corresponding to the first transition range.