Vehicle Door Actuator Temperature Control via Periodic Monitoring
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Solution Overview
Problem
Conventional vehicle door systems lack advanced features for automatic operation and obstruction detection, leading to inefficient door positioning and potential collisions, as well as inadequate temperature management for actuators, which can result in system failures.
Innovation Solution
A vehicle door system comprising an actuator, temperature sensor, and controller that adjusts door positions, detects obstructions, and manages actuator temperatures to prevent overheating, ensuring safe and efficient operation by controlling the door's movement and alerting users to potential issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the actuator operates continuously to maintain door position control, then the door positioning accuracy is improved, but the actuator temperature increases leading to potential failure
Solution Approach 1:
The controller implements periodic monitoring of actuator temperature and adjusts the actuator operation accordingly. When temperature exceeds a threshold, the controller reduces actuator activity or activates cooling mechanisms, creating a periodic on-off operation pattern that prevents overheating while maintaining adequate door positioning control
2Productivity
If the door system operates manually without automation, then the device complexity is reduced, but the door operation efficiency and safety decrease
Solution Approach 1:
The door system automatically monitors actuator temperature, detects potential failures, and adjusts operation without requiring user intervention. The controller continuously reads temperature sensor data and autonomously decides when to activate warnings or protective measures, enabling the system to serve itself
3Speed
If the actuator operates at high power to move the door quickly, then the door speed is improved, but the actuator generates excessive heat causing system failure
Solution Approach 1:
The temperature sensor provides continuous feedback to the controller about actuator temperature. The controller uses this feedback to adjust actuator power output in real-time, reducing power when temperature approaches critical levels and maintaining high power when temperature is safe, thus dynamically balancing speed and heat generation
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 enhances door operation by automatically adjusting positions, preventing collisions, and maintaining actuator health, thereby improving safety and reliability while reducing manual intervention and potential damage from overheating.
Implementation Method 1
a temperature sensor configured to communicate an actuator temperature
Data Source
AI summary
A vehicle door controller is disclosed. The vehicle door controller is in communication with an actuator configured to control a door and is further in communication with a temperature sensing device. The controller is configured to receive a temperature signal from the temperature sensing device. Based on the temperature signal, the controller is configured to identify an actuator condition. In response to the actuator condition, the controller is configured to control the actuator to move the door to a resting position.