Vehicle Sunroof Control Using Precipitation Probability and Humidity
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Solution Overview
Problem
Vehicle sunroofs often fail to close automatically in time before precipitation, leading to water ingress and potential damage, due to existing systems relying solely on rainfall or snowfall thresholds, which can result in delayed closure and subsequent damage.
Innovation Solution
A control apparatus and method that acquires precipitation probability and humidity values, comparing them to preset thresholds to automatically control the sunroof's opening and closing, including a position detection device and a driving mechanism to adjust acquisition periods and power usage, ensuring timely closure before precipitation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the sunroof is kept open to provide fresh air and improve comfort, then the health and comfort of driver or passenger is improved, but water ingress and damage may occur during precipitation
Solution Approach 1:
The system performs preliminary action by detecting precipitation probability and humidity values before actual precipitation occurs, and proactively closes the sunroof in advance. The acquisition device obtains precipitation probability from weather information, and the control device closes the sunroof when thresholds are met, preventing water ingress before it happens rather than reacting after damage occurs.
2Object-affected harmful factors
If the sunroof is closed to prevent water ingress, then damage from precipitation is prevented, but fresh air supply and comfort are reduced
Solution Approach 1:
The system implements feedback by continuously monitoring precipitation probability values and humidity values, comparing them against preset thresholds, and dynamically adjusting the sunroof state. The acquisition device periodically acquires weather data, the sensor detects humidity, and the control device adjusts the sunroof position based on real-time feedback from these measurements, optimizing both protection and ventilation.
3Reliability
If frequent detection of precipitation probability and humidity is performed to ensure timely closure, then the reliability of precipitation prevention is improved, but power consumption increases
Solution Approach 1:
The system applies dynamics by making the detection frequency adaptive rather than fixed. The control device adjusts the acquisition period of precipitation probability and humidity detection based on current conditions - shortening the period when precipitation risk is high to ensure timely closure, and lengthening it when risk is low to reduce power consumption. This dynamic adjustment optimizes both reliability and energy efficiency.
Data Source
AI summary
The present disclosure provides a control apparatus and a control method for a sunroof of a vehicle, and the vehicle including the control apparatus. The control apparatus includes an acquisition device, a sensor and a control device. The acquisition device is configured to acquire a precipitation probability value at a place where the vehicle is located, the sensor is configured to measure a humidity value outside the sunroof, and the control device is configured to compare the precipitation probability value and the humidity value with a preset precipitation probability threshold and a preset humidity threshold respectively, so as to control the sunroof.