TMCS

Automotive Seat Test System

The Seat Test System is designed for endurance and performance testing of automated car seats. Through stringent testing procedures, this system helps manufacturers ensure the quality and longevity of their seats.
The DAQ system ensures accurate and comprehensive data collection on seat performance metrics.
Utilizing the Parker Compax servo drive, the system provides precise control and measurement, enabling detailed assessment of seat movements and adjustments.

Customer Benefits:

  1. Seamless integration with production flow due to highly reliable NI hardware and customized LabVIEW application software.
  2. Accelerated testing process, reducing the number of defective seat actuators.
  3. Real-time monitoring of various parameters, providing constant control over the system.
  4. Increased efficiency by testing two devices under test (DUTs) simultaneously.

System Features:

  1. NI hardware and LabVIEW-based application software for reliable operation.
  2. Two separate testing stations that operate simultaneously.
  3. Three servo drives programmed to control three actuators, simulating load conditions.
  4. Capability to run in three different modes: Auto, Manual, and Scheduler.
  5. Real-time Force vs. Displacement measurement.

Tests Conducted:

  1. Endurance and performance testing of automated car seats.
  2. Real-time Force vs. Displacement Analysis.

Test Parameters:

  1. Force applied on the seat.
  2. Displacement of the seat.
  3. Load conditions simulated by the actuators.
  4. Real-time monitoring and control of testing parameters.

Technology Used:

  1. Servo Drive
  2. Servo Motors
  3. Encoder
  4. Load Cell with amplifier
  5. Compact RIO Controller
  6. NI D I/O Modules
  7. LabVIEW Software

Engine Cold Testing:

Application Summary:

  1. The system is designed for cold testing of engines, enabling the testing of dynamic, electrical, and fluid performances without starting the engine.
  2. Simulates cranking of the engine through a programmable power supply (TDK Lambda), turning on the engine without fuel and spark plug.
  3. Developed to check engine oil pressure switch, magneto peak-to-peak voltage, engine surge, and cranking current.

Customer Benefits:

  1. Database management for each Unit Under Test (UUT).
  2. Automated functionality minimizes human interference.
  3. Reduced testing time, enhancing efficiency.
  4. Improved production capacity, with replication across four manufacturing lines at the OEM.

System Features:

  1. Modular design for ease of maintenance.
  2. High precision in test measurements.
    Smooth functionality ensuring optimum performance.

     

Technology Used:

  1. NI cDAQ
  2. Siemens PLC
  3. LabVIEW software
  4. MODBUS TCP protocol

Tests Conducted:

  1. Cold Test
  2. Surge and Stable Current Test
  3. RPM Measurement
  4. Magnetic Pickup Tolerance Check

Test Parameters:

  1. Engine RPM
  2. Magneto RYB peak-to-peak voltage
  3. Surge and cranking current
  4. Polarity pickup
  5. RYB peak-to-peak voltage
  6. Current