Chassis Bottoming Detection Using Pressure Waveform Key Points
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Solution Overview
Problem
Existing vehicles lack effective monitoring and warning systems for chassis bottoming events, which can lead to significant damage and safety risks, particularly affecting battery components and potentially causing vehicle fires.
Innovation Solution
A method and device for controlling vehicle chassis bottoming by monitoring chassis pressure using sensors, generating waveforms from pressure signals, extracting key points from calibration information, and triggering alarms when specific conditions are met to indicate chassis bottoming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the existing technology uses separate control units for active anti-squat control and scraping control, then the control functions are specialized, but the device complexity increases and control coordination becomes difficult
Solution Approach 1:
The patent combines the active anti-squat control unit and scraping control unit into a single integrated control unit. This control unit receives signals from both the active anti-squat sensor and scraping sensor, processes them together, and generates coordinated control signals for the active anti-squat actuator and scraping actuator. This merging reduces device complexity while maintaining specialized control functions through unified signal processing and coordination logic.
2Adaptability or versatility
If the existing technology uses multiple separate sensors and actuators for different control functions, then the control coverage is comprehensive, but the device complexity and space occupation increase
Solution Approach 1:
The integrated control unit serves multiple functions: it processes signals from both active anti-squat sensors and scraping sensors, generates control signals for both active anti-squat actuators and scraping actuators, and coordinates the interaction between these different control functions. This multi-functional design maintains comprehensive control coverage while reducing the number of separate control units and improving space utilization.
3Manufacturing precision
If the existing technology controls active anti-squat and scraping independently, then each function can be optimized separately, but the overall control coordination and anti-interference capability deteriorate
Solution Approach 1:
The integrated control unit implements feedback mechanisms that monitor both active anti-squat sensor signals and scraping sensor signals simultaneously. Based on this combined feedback, the control unit dynamically adjusts the control signals sent to both the active anti-squat actuator and scraping actuator, ensuring coordinated operation and preventing interference between the two functions while maintaining optimal performance of each.
Data Source
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AI summary
The present application relates to the technical field of vehicle safety, and particularly relates to a method and a device for controlling vehicle chassis bottoming, and a computer storage medium. The method includes: receiving a pressure signal; generating a target waveform according to the pressure signal; acquiring calibration information; extracting a preset number of target key points from the target waveform based on the calibration information; and determining that the vehicle chassis bottoming occurs to send an alarm prompt when a corresponding value of the target key point in the target waveform matches with the calibration information. By monitoring the state information of the chassis in real time, when it is determined in the present application that the vehicle chassis bottoming occurs, it sends an alarm prompt so as to enable the user to repair as soon as possible and improve the driving safety of the vehicle.