RST-2D_en - Optical Devices and Speed Sensors

dinnerworkableUrban and Civil

Nov 16, 2013 (3 years and 6 months ago)

82 views



www.cluster.orc.ru


CLUSTER LTD


38, Vavilova Str., Moscow, 119991, Russia


Tel./Fax: +7 (499) 135 02 97, E
-
mail:
vvs@kapella.gpi.ru


+7 (499) 503 81 55, E
-
mail:
stas@kapella.gpi.ru



Non
-
Contact 2
-
Axis Optical Speed Sensor



The main purpose of the device
is high precision measurement
of lateral and longitudinal vehicle
dynamics and trajectory*. Measured values are absolute velocity vector and it's slip angle relative to
car longitudinal axis (or longitudinal and lateral velocity components) and absolute traveling distance.

*
For precis
e trajectory measurement, instant yaw center position etc., simultaneous use of two sensors is recommended.










































Main features:




Precise and re
liable measurements in extra
wide working range. Device height above
the road can vary by up to 4 times during
measurements without

affecting
measurement precision.*




High measurement stability on any surface,
virtually regardless of brightness and
roughn
ess.
*




Low sensor power consumption due to IR
LED as a light source (just 3W).




Small size and weight of both sensor and
mounting bracket combined with rigid body
and reliable fixing (4

neodymium magnets,
capable of holding up to 16 kg each).




Quick and

easy installation.

*

New optical design, patent pending.

280g

2
9
0g

2
0
cm

5.5
cm

Sensor in transportation position

Powerful
magnets

Various mounting options with quick fixing.

Half an hour driving on snowy road. Sensor is still working.

2

15 сm

Full system setup.

250
m
А

12
V

400
m
А

5
V

USB

Netbook with SW

Raster RST
-
2D

7
-
15 сm




Main Technical Data:


Speed range

0.5


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System specification

Additional analog inputs

Up to ±10 V, 14 bit, 2 channels

Others on req
uest

Analog outputs

±5
В

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佴桥牳渠re煵e獴














BLOCK DIAGRAM OF THE

SETUP









Illustrations: some typical real measurements:


150
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
5
-5
-4
-3
-2
-1
0
1
2
3
4
Ti me, s
70
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
Velocit y
Angle

Fig.1 Straight movement on regular motorway surface, automatic gearbox. Velocity in km/h
; angle in
deg.; signal averaging


50

ms.


140
114
116
118
120
122
124
126
128
130
132
134
136
138
2
-2
-1
0
1
Ti me, s
46
34
35
36
37
38
39
40
41
42
43
44
45
Velocit y
Angle


Fig. 2. Part

of the Fig. 1 graph.


1500
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
Sy, m
5
-5
-4
-3
-2
-1
0
1
2
3
4
Traject ory

Fig. 3 Movement trajectory of fig.1.

29
-10
-5
0
5
10
15
20
25
Ti me, s
347
209
220
230
240
250
260
270
280
290
300
310
320
330
340
Velocit y
Angle

Fig. 4. Movement on forest gravel road. Signal averaging


25 ms.

25
-5
-2
0
2
4
6
8
10
12
14
16
18
20
22
Ti me, s
311
283
286
288
290
292
294
296
298
300
302
304
306
308
Velocit y
Angle

Fig.
5
.

Part of fig.4.