Vehicle Door Ding Prevention System Using Ultrasonic Sensors
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Solution Overview
Problem
Existing systems lack an effective advance warning mechanism to prevent door dings, which occur when a parked vehicle's door collides with an adjacent vehicle, and there is no comprehensive solution to monitor and prevent such impacts.
Innovation Solution
An impact prevention system that includes ultrasonic sensors, cameras, a warning device, a communicator, and a processor to detect approaching objects, image surroundings, output warning signals, and notify users of potential impacts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If door ding prevention stickers are used, then the appearance of vehicles is maintained, but the effectiveness as a warning signal is insufficient
Solution Approach 1:
The patent replaces passive mechanical stickers with an active electronic warning system comprising ultrasonic sensors, cameras, processors, and multi-mode warning devices (visual, auditory, haptic). This substitution transforms the warning mechanism from a static aesthetic element to a dynamic, multi-sensory alert system that actively detects and communicates potential door ding risks to both occupants and approaching objects.
Solution Approach 2:
The patent introduces multiple intermediary components between the vehicle and the approaching object: ultrasonic sensors detect object proximity, cameras capture visual information, the processor analyzes data and determines warning levels, and the warning device delivers alerts. This chain of intermediaries creates a comprehensive warning ecosystem that overcomes the limitations of direct sticker-based warnings.
2Loss of information
If a black box is installed to monitor door ding behaviors, then monitoring capability is improved, but advance warning capability is insufficient
Solution Approach 1:
The patent implements preliminary action through continuous monitoring of the vehicle's surrounding environment using ultrasonic sensors and cameras before any contact occurs. The system detects approaching objects and potential door ding scenarios in advance, allowing the warning device to alert occupants and approaching objects before the actual collision happens. This proactive approach converts post-event monitoring into pre-event warning.
Solution Approach 2:
The patent establishes a feedback loop where the processor continuously receives data from sensors and cameras, analyzes the situation, and triggers appropriate warning levels based on the detected object's proximity and potential threat. This real-time feedback mechanism ensures that warning signals are issued at the optimal moment before contact occurs, providing both monitoring and advance warning functionality.
3Measurement precision
If multiple sensors and warning devices are deployed, then the warning coverage and detection accuracy are improved, but the device complexity increases
Solution Approach 1:
The patent applies multi-functionality by designing a unified warning system where a single integrated architecture handles multiple detection and warning functions. The processor centrally manages data from various sensors (ultrasonic, camera), determines warning levels, and coordinates different warning modalities (visual, auditory, haptic). This universal approach allows the system to perform diverse functions through a common platform, reducing overall complexity despite having multiple components.
Solution Approach 2:
The patent merges multiple detection and warning functions into an integrated system. The processor combines data from ultrasonic sensors and cameras, consolidates warning decision-making, and coordinates multiple warning device types (displays, speakers, haptic feedback units). This merging of functions into a unified architecture reduces the complexity that would otherwise arise from separate independent systems.
4Reliability
If real-time monitoring and warning systems are implemented, then the prevention effectiveness is improved, but the energy consumption increases
Solution Approach 1:
The patent implements periodic action through event-triggered operation of the monitoring and warning system. The ultrasonic sensors and cameras operate in a monitored state, activating full detection and warning sequences only when objects are detected within the vehicle's vicinity. This periodic activation pattern allows the system to maintain readiness for door ding prevention while minimizing continuous energy consumption compared to constantly active systems.
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
The system effectively prevents door dings by providing timely warning signals to both the vehicle's occupants and approaching objects, thereby reducing the likelihood of collisions and damage to parked vehicles.
Implementation Method 1
an ultrasonic sensor configured to detect an object around a vehicle
Data Source
AI summary
An impact prevention system, an impact prevention method, and an impact prevention system for a vehicle, are provided. The impact prevention system includes: an ultrasonic sensor configured to detect an object around a vehicle; a camera to take one or more images of surroundings of the vehicle; a warning device to output a warning signal; a communicator to communicate with a user terminal of the vehicle; and a processor to control the camera to take an image of the surroundings of the vehicle in response to the ultrasonic sensor detecting an approach of the object with respect to the vehicle, control the warning device to output the warning signal corresponding to a level of the approach of the object, and control the communicator to transmit an indication that an event, corresponding to an activation of the warning device, to the user terminal, in response to each occurrence of the event.