pliance® – Pressure and load distribution on hard or soft surfaces

 

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pliance® systems* offer the state of the art technology for pressure distribution measurement between hard, soft and curved surfaces. The systems consist of a flexible and elastic measuring sensor mat, a multi-channel analyser, a calibration device and a software package for PC.

The pliance® analysers vary from 16×16 (pliance®-xf-16) and 32×32 (pliance®-xf-32) channel mobile units to 32×64 channel table devices (pliance®-fti and pliance®-ftd) with a wide range of options, such as master-slave synchronisation of several systems, dynamic amplification control, and synchronisation of video systems.

novel developed an analyser technology that allows not only individual calibration curves for each sensor, but also individual dynamic amplification control and crosstalk suppression, resulting in very accurate and reproducible pressure values. The pliance®analyser communicates with the PC via fibre optic/USB interface; the pliance®-xf analyser also via Bluetooth®.

The pliance® data acquisition software

The software operates as a Windows application and contains many useful methods of data collection and scientific analysis of dynamic pressure distribution. It also allows continuous data storage in online mode and data handling with a configurable SQL database. The expert can design the parameter configuration to specific needs and exchange data with colleagues via HTML protocol. Different levels of pliance measuring software are available.

The pliance® sensors

pliance sensors are available in various sizes, sensor configurations and pressure ranges. That is why the pliance® system is used for various applications e.g. in sports, biomechanics, industry, research, and development.

As in all physical measuring systems the most important part is the sensor technology. pliance® works with capacitive transducers in a matrix configuration. The elasticity of the sensor permits perfect conformability to three-dimensional deformations. The pressure transducing elements contain high-tech elastomers manufactured by novel. Restoring force, range of force, threshold, hysteresis, temperature effect, frequency response, and other characteristics are determined during the manufacturing process. This makes it possible to adapt the sensor characteristic to different measuring needs. 

trublu® calibration device

With the aid of the trublu calibration device, all sensors of the pedar® system are individually calibrated. Calibration guarantees accurate and reproducible data and can be checked by the user at any time.

* Important note for users inside the EC: The pliance® system is not certified as a medical device according to 93/42/EEC.

Example applications:

Prosthesis

Saddles

Wheelchair

Options:

pliance xf16:

number of sensors:

256

measurement frequency:

20.000 Hz

dimension

150x100x40 mm

power supply

NIMh battery

pliance xf32:

number of sensors:

1024

measurement frequency:

20.000 Hz

dimension

150x100x40 mm

power supply

NIMh battery

pliance fti:

number of sensors:

2048

measurement frequency:

40.000 Hz

dimension

222x182x53 mm

power supply

external supply (wired)

additional technical specifications

Computer interface: USB, Bluetooth (only xf)

Operating system: current Windows OS

Sync option: fibre obtic / TTL, sync in and out