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Kinematics and compliance (K&C) test equipment
Transforming information into usable data.
What is kinematics and compliance (K&C) testing?
Kinematics and compliance (K&C) testing is a specialised form of suspension testing that involves applying real-world loads and displacements to a vehicle’s chassis and tyres. The goal of K&C testing is to ascertain the geometry and stiffness characteristics of the vehicle’s suspension system under quasi-static conditions. A K&C test machine provides a thorough understanding of a vehicle’s kinematic and compliance characteristics by applying simple but very accurate inputs. The resulting data informs on the vehicle’s ride and handling characteristics.
The SPMM Plus
Delivering unrivalled measurement accuracy, the SPMM Plus is the industry’s most technically advanced, reliable, and cost-effective K&C test machine.
Designed around the core principle of faithfully simulating on-road vehicle behaviour, the SPMM Plus is the industry’s most technically advanced, reliable, and cost-effective K&C test machine. Accommodating the smallest city cars up to light commercial vehicles, its unique moving body and fixed ground-plane design replicates a vehicle’s interactions with the road surface with unrivalled precision. It provides all the suspension and steering system data you need to develop vehicles that outperform your competitors.
How the SPMM Plus works
The SPMM Plus has two key areas of measurement: wheel position and wheel force. The test vehicle is clamped to the table and suspension kinematics are analysed by moving the table to simulate the motions of the vehicle body that occur on the road. The resulting wheel centre movement is measured using our Dynamic Arm measurement system, whilst controlling the tyre contact patch loads to zero.
To measure compliance, horizontal inputs are applied at the tyre contact patch by the wheel stations. The wheel stations apply these loads by moving longitudinally (X), laterally (Y) and rotationally (δ). Forces and displacements are measured by the wheel stations integrated piezo-electric load cells.
Key features and specifications
The SPMM Plus features the finest quality components to ensure the highest levels of accuracy, coupled with easy-to-use software and an extensive range of options that allow you to tailor the solution to your specific requirements.
- A unique moving body, fixed ground plane design
- Exceptionally accurate Dynamic Arm wheel position measurement system
- Low maintenance, servo-electric design
- Optional Moments of Inertia (MoI) and Centre of Gravity (CoG) measurement capability
- Hybrid simulation data pipe for HiL test capability
- One-click data export to popular modelling packages such as CarMaker and CarSim
Get the SPMM Plus
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