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 routes and driving styles for efficient fuel use.
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, featuring adaptive accelerator pedal characteristics and active coasting in neutral modes.
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 actions by calculating and communicating speed recommendations to the driver in advance, allowing the driver to maintain optimal speed without reactive delays. The control system evaluates route data and vehicle data to determine exact times when speed adjustments should be made, enabling proactive fuel-efficient driving without compromising response capability.
Solution Approach 2:
The system implements feedback by continuously monitoring vehicle data and route information, then communicating speed recommendations to the driver through the display. This closed-loop approach allows the driver to adjust driving behavior based on real-time guidance, maintaining fuel efficiency while preserving the ability to respond to changing conditions.
2Use of energy by moving object
If the system provides detailed speed and distance evaluations to optimize fuel consumption, then fuel efficiency improves, but the system complexity increases
Solution Approach 1:
The control system performs multiple functions using a single integrated unit: it evaluates route data, processes vehicle data, calculates optimal speeds, determines distances to speed changes, and communicates recommendations through the display. This multi-functionality reduces overall system complexity compared to having separate systems for each function.
Solution Approach 2:
The system merges the evaluation of speed and distance calculations with the existing route data and vehicle data processing. By combining these functions into a unified control approach that leverages existing data streams, the system avoids duplicating infrastructure and reduces overall complexity while achieving fuel optimization.
3Use of energy by moving object
If the system recommends releasing the accelerator pedal at exact times for overrun mode and coasting, then fuel consumption reduces, but the driver's control over vehicle dynamics decreases
Solution Approach 1:
The display serves as an intermediary between the control system and the driver, communicating speed recommendations without directly controlling the vehicle. This allows the driver to maintain full control over vehicle dynamics while receiving guidance on when to release the accelerator pedal for fuel-efficient overrun and coasting modes.
Solution Approach 2:
The system enables the driver to self-manage vehicle control by providing clear recommendations on when to release the accelerator pedal. The driver maintains agency and makes final decisions based on the system's guidance, preserving ease of operation while achieving fuel consumption reduction through informed driver action.
Data Source
AI summary
A driver assistance system for assisting a driver in achieving consumption-controlled driving combines haptic and visual acknowledgment functions, particularly in the form of a drive configuration, a display concept, and/or a deceleration assistant. A modified characteristic accelerator pedal curve is utilized, and ECO tips of the interactive output of efficient driving instructions are provided.