Driver Assistance System for Consumption Controlled Driving
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Solution Overview
Problem
Existing driver assistance systems do not effectively reduce fuel consumption while considering the driver's intentions and preferences, lacking a comprehensive approach to optimize fuel efficiency during route planning and real-time driving.
Innovation Solution
A driver assistance system that combines an electronic control system with feedback functions, including a proactive assistant and display, to evaluate speed and distance data, recommending optimal accelerator pedal release points and providing ECO mode options to reduce fuel consumption, along with a navigation system that learns driver habits to suggest fuel-efficient routes and alert for refueling needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the driver maintains a steady speed to reduce fuel consumption, then fuel efficiency improves, but the driver's response time to unexpected situations increases
Solution Approach 1:
The system performs preliminary calculations of optimal speed profiles and coasting opportunities based on route data, elevation profiles, and traffic conditions before the driver needs to make decisions. This allows the vehicle to be pre-positioned in optimal driving states without requiring reactive driver input, thus maintaining fuel efficiency while preserving response capability.
Solution Approach 2:
The system continuously monitors actual fuel consumption, vehicle state, and route progress, then provides real-time feedback to the driver through recommendations. This closed-loop feedback enables the driver to maintain steady speeds when appropriate while having immediate access to corrective guidance when response situations arise, balancing fuel efficiency with responsiveness.
2Use of energy by moving object
If the system provides detailed fuel consumption information and recommendations, then fuel efficiency improves, but the system complexity increases
Solution Approach 1:
The system integrates multiple functions into a unified architecture: route planning, real-time fuel consumption monitoring, coasting opportunity detection, and driver recommendation generation all operate through a single control unit that processes route data and vehicle sensor inputs. This multi-functionality reduces overall system complexity compared to separate dedicated systems for each function.
Solution Approach 2:
The system automatically calculates fuel consumption metrics, identifies coasting opportunities, and generates recommendations without requiring manual driver input or configuration. It self-adjusts based on actual driving conditions and vehicle performance, reducing the complexity of user interaction and system configuration while maintaining sophisticated fuel management capabilities.
3Use of energy by moving object
If the system calculates optimal coasting points based on route data, then fuel consumption reduces, but the calculation time and processing load increase
Solution Approach 1:
The system performs preliminary analysis of route data, elevation profiles, and traffic conditions to pre-identify potential coasting opportunities before the vehicle reaches those points. By calculating and storing optimal coasting points in advance based on known route characteristics, the system avoids real-time computational delays while maintaining accurate fuel optimization guidance.
Solution Approach 2:
The system calculates coasting opportunities at selected key points along the route rather than continuously analyzing every possible point. This partial action approach identifies sufficient coasting opportunities to achieve fuel savings without the excessive computational load of exhaustive analysis, balancing calculation time with fuel optimization effectiveness.
Data Source
AI summary
A driver assistance system for driver assistance for consumption controlled driving combines tactile and visual feedback functions, especially in the form of a drive configuration, a display concept and/or a deceleration assistant, wherein the emphasis is, on the one hand, on a modified accelerator pedal characteristic and, on the other hand, on providing ECO tips for an interactive output of efficient driving instructions.