Automotive Seat Ingress Egress Tester
Application
The simulated human entry/exit seat test bench employs pneumatic servo control to simulate human entry and exit tests for automotive seats, measuring load, displacement, angle, and other parameters.
Standards
SAE J826-2002 – Anthropomorphic Test Devices for Vehicle Seating Systems
QC/T 740-2017 – Automotive Seat Fatigue Test Standard
Industry standards for automotive seat ingress and egress durability
Parameters
| Parameter | Specification | Notes |
|---|---|---|
| Dummy Model | 3D indenter, 50% SAE J826-2002 | Wrapped with 12mm foam and denim |
| Pressure Head Weight | 44.5 kg | Adjustable for different test scenarios |
| Horizontal Slide | ~25 mm into cushion | Inner rear first with 30° rotation |
| Load on Pressure Head | 445 N | Maintained during creep and exit cycles |
| Rotation Angle | 30° | Simulates realistic entry angle |
| Experimental Frequency | 4.5 cycles/min | Adjustable |
| Number of Experiments | 15.000 simulated ingress/egress cycles | — |
Test Procedures
Prepare the 3D dummy indenter according to SAE J826-2002 standards. Wrap with foam and denim, and add weight to simulate realistic human mass.
Secure the seat assembly on the test bench and adjust to design position.
Program the robot motion for simulated human entry/exit:
Horizontal slide of pressure head into seat, rotating 30°
Align center line of pressure head with seat center
Creep and stabilize pressure head within the seat
Maintain 445 N load while sinking into seat
Continue creep against backrest at 30°
Maintain 445 N load as pressure head is halfway out
Slide along seat cushion edges during exit, simulating edge indentation
Start the test cycle; machine automatically repeats motions at set frequency.
Stop automatically after 15.000 simulated cycles and inspect seat for damage.
Safety and Maintenance
Ensure proper calibration of servo-electric axes and pneumatic actuators.
Check dummy and pressure head integrity before testing.
Maintain and inspect all mechanical and pneumatic components regularly.
Emergency stop and overload protection are built-in for operator safety.
Clean and lubricate moving parts as per manufacturer instructions.
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