System description:
The system is used for biomechanical purposes to be known the pressure distribution between the sole of the foot and the miniaturized pressure sensors in matrix arrangement. It deals about the mobile compact device, which enables the pressure distribution signals processing in the real time by means of PC, either in the static mode, and either in the dynamic mode by the loading tests.
The transducer is controlled by means of the original designed electronics circuits. These ones ensure then right transducer's activity and the collected data's transmitting to the PC for the further processing, too.
Having been concentrated 7500 pcs sensors on the sensing area 400x300 mm, the transducer enables to be caught the 300 snaps per second; what is one of the top-world parameters (in fact, one of the most fast transducers in the world).
Please, choose item from the left column menu.
System description
The system is used for biomechanical purposes to be known the
pressure distribution between the sole of the foot and the
miniaturized pressure sensors in matrix arrangement. It deals
about the mobile compact device, which enables the pressure
distribution signals processing in the real time by means of PC,
either in the static mode, and either in the dynamic mode by the
loading tests.
The transducer is controlled by means of the original designed
electronics circuits. These ones ensure then right transducer's
activity and the collected data's transmitting to the PC for the
further processing, too.
Having been concentrated 7500 pcs sensors on the sensing area
400x300 mm, the transducer enables to be caught the 300 snaps per
second; what is one of the top-world parameters (in fact, one of
the most fast transducers in the world).
The next posters and press articles are in the Czech only:
Návod k použití - Plantograf
verze 0.9 (instruction for use)
Article in the Automa journal:
Taktilní
senzory pro automatizaci (Tactile sensors for use in
automatisation)
Article in the Automatizace journal:
Užití
taktilních čidel pro měření v medicíně (Tactile sensor
use for measurement in medicine)
Technical parameters:
Patient mass |
up to 120 kg |
Rated pressure range |
5 - 80 kPa |
Permissible overload |
1.4 MPa |
Transducer actived area |
400 x 300 mm |
Transducer dimension |
750 x 650 mm |
Sensors number |
7500 |
Transducer supply voltages |
+ 5V and + 12 V |
Transducer analogue output |
max. 1V |
Digital output |
256 levels |
Snap frequency |
300 Hz |
Maximal number of snaps |
60 |
Sampling rate |
2.5 MHz |
Application facilities
The next tips describes of the sensor itself, not the complete
plantograph use:
- in medicine, e.g.: orthopaedics; rehabilitation;
prosthesis and orthesis-development;
- for prevention of pathologic pressures on human body,
thereby decubitus genesis, e.g. intelligent bed as
biofeedback;
- for design of paraplegic sitting profiles etc.;
- for the anatomy sitting and leaning profiles design,
especially in car and air-craft industry (by
„crash-test“, air-back tests - being high demands on
the dynamic mode of the transducer);
- in robotics (e.g.: for the stability and the
robot-balancing point determination further for the
grasp-force determination; the pattern recognition etc.);
- in any other industrial applications where is needed to
know the pressure distribution on loaded area.
Application facilities
The next tips describes of the sensor itself, not the complete
plantograph use:
- in medicine, e.g.: orthopaedics; rehabilitation;
prosthesis and orthesis-development;
- for prevention of pathologic pressures on human body,
thereby decubitus genesis, e.g. intelligent bed as
biofeedback;
- for design of paraplegic sitting profiles etc.;
- for the anatomy sitting and leaning profiles design,
especially in car and air-craft industry (by „crash-test“,
air-back tests - being high demands on the dynamic mode
of the transducer);
- in robotics (e.g.: for the stability and the
robot-balancing point determination further for the
grasp-force determination; the pattern recognition etc.);
- in any other industrial applications where is needed to
know the pressure distribution on loaded area.
The Autors:
Prof. Ing. Jaromír VOLF, DrSc., tel. +420 2 2435 2737, ČVUT FS,
Technická 4, 166 07 Praha 6,
(Faculty of Mechanical Engineering, Czech Technical University in
Prague)
e-mail: jaromir.volf@fs.cvut.cz
Co.autors:
Ing. Josef Vlček, CSc. FS ČVUT v Praze (Faculty of Mechanical
Engineering, Czech Technical University in Prague)
Doc. Ing. Stanislava Papežová, CSc. FS ČVUT v Praze (Faculty
of Mechanical Engineering, Czech Technical University in Prague)
Ing. Petr Novák FEL ČVUT v Praze (Faculty of Eletrical
Engineering, Czech Technical University in Prague)
Ing. Pavel Děd TF ČZU v Praze (Faculty of Engineering of the
Czech University of Life Sciences)
Prof. Ing. Stanislav Holý, CSc.
Ing. Martin Novák (Faculty of Mechanical Engineering, Czech
Technical University in Prague)
Acknowledgements:
The Plantograf V05 is product of cooperation with FTVS UK v
Praze, FEL ČVUT v Praze and Rehabilitační kliniky FNKV v
Praze.
The development and thje realisation was supported by GAČR ČR
grant, next development financed by research project mentioned
below:
*Výzkumné záměry* - research projects
1999-2004 VZ CEZ J04/98:210000015 "Výzkum nových metod pro
měření
fyzikálních veličin a jejich aplikace v přístrojové
technice"
od 2005 VZ MSM 6840770015 "Výzkum metod a systémů pro
měření fyzikálních
veličin a zpracování naměřených dat"
*Granty GAČR* - Grant Agency of the Czech Republic
1992 grant strojní fakulty ČVUT "Snímání a zpracování
taktilní informace"
1994 grant MŠMT "Rozložení tlaků na plosce
chodidla"
1995 interní grant ČVUT "Diagnostika rozložení tlaků na
plosce chodidla"
1996-1998 grant GAČR č.:106/96/0953: "Snímání
rozložení tlaku na plosce
chodidla pro diagnostiku v medicíně a biomechanice"
2000-2002 grant GAČR č.106/00/1464: "Metody přímé
identifikace
vnitřních a vnějších mechanických interakcí pohybového
aparátu člověka."
2003-2005 grant GAČR č. 106/03/0464: "Biomateriál a
kontaktní
rozhraní -- detekce a analýza napěťově deformačních
stavů"
|