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Performance evaluation of communication methods on electric wheelchairs as assistive technology for persons with disabilities

Anton Yudhana
Anton Yudhana
, 
Iqbal Cahya Kurniawan
Iqbal Cahya Kurniawan
, 
Ikhwan Anshori
Ikhwan Anshori
 and 
Ilham Mufandi
Ilham Mufandi
   | Oct 06, 2022
International Journal on Smart Sensing and Intelligent Systems's Cover Image
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Article Category: Article
Published Online: Oct 06, 2022
Page range: -
Received: Apr 01, 2022
DOI: https://doi.org/10.2478/ijssis-2022-0016
Keywords
© 2022 Anton Yudhana et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Block diagram of proposed system.
Block diagram of proposed system.

Figure 2

Flex sensors installed in this study: (a) and (b).
Flex sensors installed in this study: (a) and (b).

Figure 3

Smart glove hardware.
Smart glove hardware.

Figure 4

Electrical wiring in the smart glove.
Electrical wiring in the smart glove.

Figure 5

Electric wheelchair Hardware: (a) 3D design, and (b) prototype.
Electric wheelchair Hardware: (a) 3D design, and (b) prototype.

Figure 6

Electrical wiring in an electric wheelchair.
Electrical wiring in an electric wheelchair.

Figure 7

CRC flow chart on: (a) the transmitter part and (b) the receiver part.
CRC flow chart on: (a) the transmitter part and (b) the receiver part.

Figure 8

All instruction of smart glove system as electric wheelchair controller.
All instruction of smart glove system as electric wheelchair controller.

Figure 9

Hardware Testing.
Hardware Testing.

Figure 10

Decimal to binary conversion formula.
Decimal to binary conversion formula.

Figure 11

CRC Calculation results for the transmitter part.
CRC Calculation results for the transmitter part.

Figure 12

CRC results on the receiver.
CRC results on the receiver.

Figure 13

Manual calculation of the CRC Algorithm on the transmitter part.
Manual calculation of the CRC Algorithm on the transmitter part.

Figure 14

Manual calculation of the CRC Algorithm on the receiver part.
Manual calculation of the CRC Algorithm on the receiver part.

Figure 15

The testing of delay from QoS.
The testing of delay from QoS.

Figure 16

Throughput test results.
Throughput test results.

Figure 17

The testing of Jitter parameter from QoS.
The testing of Jitter parameter from QoS.

Figure 18

Average test value on packet loss of QoS.
Average test value on packet loss of QoS.

Error detection testing on transmitter data and receiver data.

No Transmitter Receiver
conversion Dec to Binary
Data Flex Sensor Binary CRC Transmit Frame Receiver Frame Remainder Data Flex Sensor Status
1 364 101101100 0101 1011011000101 0 0 0 Error
2 354 101100010 0100 1011000100100 1011000100100 0 354 Success
3 359 101100111 1011 1011001111011 1011001111011 0 359 Success
4 361 101101001 1010 1011010011010 0 0 0 Error
5 364 101101100 0101 1011011000101 1011011000101 0 364 Success
6 362 101101010 1111 1011010101111 1011010101111 0 362 Success
7 363 101101011 1100 1011010111100 1011010111100 0 363 Success
8 364 101101100 101 1011011000101 1011011000101 0 364 Success
9 360 101101000 1001 1011010001001 1011010001001 0 360 Success
10 353 101100001 0001 1011000010001 0 0 0 Error
11 359 101100111 1011 1011001111011 0 0 0 Error
12 352 101100000 0010 1011000000010 0 0 0 Error
13 355 101100011 0111 1011000110111 1011000110111 0 355 Success
14 360 101101000 1001 1011010001001 1011010001001 0 360 Success
15 358 101100110 1000 1011001101000 1011001101000 0 358 Success
16 356 101100100 1110 1011001001110 0 0 0 Error
17 365 101101101 0110 1011011010110 1011011010110 0 365 Success
18 364 101101100 0101 1011011000101 1011011000101 0 364 Success
19 361 101101001 1010 1011010011010 1011010011010 0 361 Success
20 353 101100001 0001 1011000010001 1011000010001 0 353 Success

Success rates in various distances.

Number of tests (times) Distances (cm) Number of data errors Success rate (%)
20 50 6 70
20 100 6 70
20 150 6 70
20 200 6 70
20 250 9 55
20 300 9 55
Average success rate from 120 trials 65%
eISSN:
1178-5608
Language:
English
Publication timeframe:
Volume Open
Journal Subjects:
Engineering, Introductions and Overviews, other
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