4
The electronic system consists of two modules: remote control and process execution block.
The data transition between the modules is organized by wire connection.
For safety management the main drive’s system is equipped by electromagnetic brakes that
activates in case of power loss. Also main drives has special handles that can disjoin the gears from
wheels and tracks, this makes possible to roll the wheelchair by hands if the battery is discharged. The
battery charge is designed for overcoming 15 km distance on smooth surface. Electronics monitors the
battery charge and informs the user in case of low level.
The CaterWil dimensions don’t exceed sizes of usual wheelchair. The width of the device is 65
cm that allows using it at home conditions, going through interior doors and using elevators.
The CaterWil can climb stairs up to 40 deg on tracks and can climb ramps up to 18 deg on wheels
(fig. 2)
1.2
Technical specifications
Table 1. Wheelchair specifications.
№
Characteristic
Unit
Value
Notes
1
Dimensions
(length x width x height)
mm
(1200-1400)x645x1230
Adjustable length
2
Seat width
mm
460
3
Seat depth
mm
435
4
Seat height
mm
530
5
Armrest height
mm
150-220
Adjustable
6
Lower leg length
mm
400-550
Adjustable
7
Weight empty
kg
105
8
Max. load capacity
kg
120
9
Front wheel size
mm
200
10
Drive wheel size
mm
330
11
Max speed on wheels
km/h
7
12
Max speed on tracks
km/h
0,7
13
Distance range
km
20
14
Max stairs angle
deg
40
At step height 160 mm, step
rounding radius 10 mm
15
Max step height
mm
200
At stair angle 25 deg, step
rounding radius 10 mm
16
Max step rounding radius
mm
20
At step height 160 mm, stair
angle 35 deg
17
Noise level
dBA
≤65
18
Operating temperature
Deg C
-10 to 40
19
Battery capacity
A*h
33
2 pcs AGM batteries
20
Drive motors voltage
V
24
2 pcs DC motors
21
Charger power requirements
V
220
22
Nominal charging current
A
5
23
Wheelchair protective system
IP54
