Plug-Type Driver Assistance Device Aftermarket Integration
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Solution Overview
Problem
Existing vehicles without advanced driver assistance systems require replacement of their engine systems to integrate modern driver assistance features, such as autonomous emergency braking, adaptive cruise control, and cross traffic assistance, which is costly and inefficient.
Innovation Solution
A plug-type driver assistance device comprising an external brake module and an auxiliary control module that can switch between original vehicle control and assist driving modes, using hydraulic or air pressure systems to generate analog pedal and braking signals for active vehicle control, allowing aftermarket installation on various vehicles without the need for new engine systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a driver using an old vehicle engine system is intended to use a driver assistance system, then the driver assistance function can be achieved, but it is necessary to change a new car or replace the old vehicle engine system with a new vehicle engine system
Solution Approach 1:
The driver assistance system is segmented into an independent auxiliary control module that can be added to existing vehicles without replacing the entire engine system. This module includes a receiving unit, processing unit, and output unit that work independently alongside the original vehicle control system.
Solution Approach 2:
The auxiliary control module acts as an intermediary between the driver and the original vehicle engine system. It receives driver inputs (accelerator pedal signals), processes them along with surrounding information, and outputs control signals to the original system, enabling driver assistance functions without direct modification of the original engine control.
2Extent of automation
If the auxiliary control module generates analog pedal signal and analog braking signal through processing, then active vehicle control is achieved, but the system requires hydraulic pump and control valve group components
Solution Approach 1:
The system replaces direct mechanical connection between accelerator pedal and engine control with an electronic signal processing path. The auxiliary control module receives accelerator pedal signals electrically, processes them through the processing unit, and outputs control signals electronically, eliminating the need for direct mechanical linkage modification.
Solution Approach 2:
The external brake module utilizes hydraulic principles through the hydraulic pump and control valve group to generate and transmit braking force. The analog braking signal controls the control valve group, which regulates hydraulic fluid flow to the brake calipers, providing automated braking capability while leveraging the vehicle's existing hydraulic brake system.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables the implementation of advanced driver assistance functions like autonomous emergency braking, adaptive cruise control, and cross traffic assistance on all vehicles without replacing the engine system, enhancing safety and reducing installation costs.
Implementation Method 1
the hydraulic pump being in communication between the inlet valve and the outlet valve
Implementation Method 2
the control valve group including an air pressure valve
Data Source
AI summary
A plug-type driver assistance device includes an external brake module and an auxiliary control module. The external brake module includes a hydraulic pump and a control valve group, the control valve group includes an inlet valve and an outlet valve, and the hydraulic pump is connected between the inlet valve and the outlet valve. The auxiliary control module includes a receiving unit, a processing unit and an output unit. The processing unit selectively switches to the original vehicle control mode or the assist driving mode. The original vehicle control mode means that the processing unit receives the accelerator pedal signal and controls the output unit to output the accelerator pedal signal. The assist driving mode means that the processing unit receives the surrounding information of the vehicle, and generates an analog pedal signal and an analog braking signal.