Development of voice controlled drive interface for Car Like Mobile Platform
Intelligent Transportation Systems (ITS) involve projects that aim to integrate modern communication and information technology into existing transportation management systems. In this project, one approach to ITS for a prototype elementary vehicle is presented. One of the most important research...
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| Format: | Thesis |
| Language: | English |
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| Online Access: | http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/9881/1/Page%201-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/9881/2/Full%20Text.pdf |
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| Summary: | Intelligent Transportation Systems (ITS) involve projects that aim to integrate modern
communication and information technology into existing transportation management
systems. In this project, one approach to ITS for a prototype elementary vehicle is
presented. One of the most important research topics in this field is the design and
development of locomotion methods and intelligent communication systems for ITS.
Voice is one of the convenient methods for interaction between humans and vehicles.
Therefore, we explore the design and development of a prototype Car-Like Mobile
Platform (CLMP) that mimics a real car. The design is rear wheels drive because it
creates stable motion for calculation. The drive system for this mobile platform was
developed using bipolar stepper motors for accurate lateral and horizontal movements.
For the voice control, we developed an application that is able to learn and recognize
voice commands. Freely available libraries on voice recognition using Hidden Markov
Models (HMM) were integrated into the application. From the tested voice commands, 8
words were chosen to represent all possible types of motion for the CLMP.
Communication between the interface and the drive system was achieved through serial
communication. In the testing phase, it was found that the CLMP responded well to all
given voice commands and conformed to standard non-holonomic behavior. The idea
behind this application is to create an alternative form of interaction between car and
user. Such an interaction can be very useful in the framework of an ITS designed for the
handicapped. |
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