The test bench is designed to simulate various door handle actions that a user might perform to lock or unlock a car. The system is capable of monitoring critical actions such as: pressing a door switch button, sensing the presence of a hand near the door handle, performing unlocking load tests.
This advanced system integrates NI Hardware and an electro-mechanical, pneumatic assembly to effectively monitor force, current, and capacitance.
Tests Conducted:
- Button Test: Evaluates the functionality and durability of the door switch button.
- Capacitance Test: Measures the capacitive response to ensure accurate hand presence detection.
- Hall Sensor Test: Checks the reliability and performance of the Hall sensor used in the door handle.
- Part Presence Test: Confirms the detection of the presence of critical components within the door handle assembly.
Each test monitors key parameters such as force, Hall switch response, and hand capacitance detection.
Challenges:
Development of a Compact, Reliable, and Maintainable Test Platform: Creating a test bench that meets the high standards of reliability and maintainability required for car door handle testing.
Stress, Endurance, and Functionality Testing: Ensuring the test bench can effectively perform comprehensive stress, endurance, and functional tests on the car door handle.
Technology Used:
LabVIEW Software: Utilized for developing the test procedures and user interface.
cRIO Controller and FPGA: Employed for precise control and data acquisition during the testing process.
Key Features:
- Modular Design: Facilitates easy maintenance and scalability of the test system. Easy for Maintenance: Designed for straightforward maintenance procedures, minimizing downtime.
- Safety Features: Incorporates essential safety measures to protect both the system and operators.
- Precise Test Measurements: Ensures accurate and reliable measurement of test parameters.
- Smooth Functionality: Delivers consistent and smooth operation throughout the testing process.
- Optimum Performance: Achieves high performance standards, ensuring thorough and effective testing.
- Long Functional Life: Built to last, providing sustained performance over time. This system represents a significant advancement in the testing of vehicle car door handles, offering a robust solution that enhances reliability, efficiency, and accuracy in the testing process.
Benefits:
- Database Management for Every UUT (Unit under Test): Ensures detailed record-keeping and traceability of test results.
- Automated Functionality without Human Interference: Reduces the potential for human error and increases testing efficiency.
- Reduced Testing Time: Speeds up the overall testing process, contributing to increased production capacity.
- Improved Production Capacity: Enhances the ability to test more units in a shorter time frame, boosting overall production efficiency.