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Passive Safety:
Quasi-Static Loading Systems

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Quasi Static Load Systems

Quasi-static load systems are widely used in the automotive industry in order to evaluate strength and durability of automotive components and structures mimicking static loads of daily use. The most frequently studied static loads are weight of the vehicle, weight of passengers and cargo, and the forces generated during braking and acceleration in a controlled and repeatable manner.


Examples of automotive components tested by Quasi-static load systems are:

  • Frames, suspensions, axles, wheels, and tires

  • Panels, doors, windows, and bumpers

  • Engines, transmissions, and drivelines

  • Safety systems

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Seat Belt Anchorages (SBA) Test System

Seat Belt Anchorages (SBA) Test Systems are employed to ensure that seat belt anchorages can withstand the forces exerted on them during a crash, and that they will not fail, allowing occupants to be ejected from the vehicle.


The ADDITIUM SBA system is based on servo-electric actuators that includes a reliable real time controller based on specific algorithms and control strategies for ECE R14 and similar type profiles. Furthermore, ADDITIUM has introduced for the Seat Belt Anchorage Test Rig the use of 100% made of polymeric fiber that offers advantages replacing traditional steel chains like higher resistance and less weight.

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Head Restraint Performances (HRP) Test Rig 

These systems are used to test the performance of head restraints in vehicles. Head restraints are designed to ensure the safety of vehicle occupants in the event of a rear-end collision. By testing the performance of head restraints, automakers, suppliers, and research institutions can identify and address potential safety risks. This helps to improve the design and performance of head restraints, and ultimately helps to reduce the risk of head and neck injuries in rear-end collisions.

The heavy-duty of Additium system permits testing up to 3 seats simultaneously and independently.

This system has been designed in order to meet the regulations listed below:

• FMVSS 202a, FMVSS 202

• ECE R17.10, R17, R25

• GTR 7

• EEC Dir 78/932

• GB 11550 – 2009, GB 15083 – 2019

• IS 15546

• AIS 016, AIS 023


Roof Crush and Side Intrusion (RCSI)

This system permits to measure the deformation of a vehicle's roof and side structures in the event of a crash. It can lead to serious injuries or death for occupants, especially in rollovers and side-impact collisions. The risk of RCSI can be reduced by strengthening the roof and side structures of vehicles, designing vehicles to absorb energy in the event of a crash, and reducing the weight of vehicles. Automakers and driver safety organizations can also educate drivers about the risks of RCSI and how to avoid them.

The Roof Crush and Side Intrusion Test System is a combined test bench designed to evaluate the roof and side strength applying a controlled load over them.

This quasi-static test system could be equipped with electrical or hydraulic actuator.

The system has been designed according to the following regulations:


• FMVSS214

• FMVSS216a


• GB 15743

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