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Title:Varovanje govorno vodenega invalidskega vozička z uporabo mehke logike
Authors:Brečko, Bojan (Author)
Brezovnik, Simon (Author)
Pačnik, Gregor (Mentor) More about this mentor... New window
Files:URL http://das.uni-mb.si/Konferenca2005/Zbornik/S4_Brecko_Varovanje_govornoI.pdf
Work type:Unknown ()
Typology:1.09 - Published Professional Conference Contribution
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Keywords:govorno vodenje, invalidski voziček, varnostni sistem, senzorski sistem, mehki nadzorni sistem, robotika
Year of publishing:2005
COBISS_ID:12625174 Link is opened in a new window
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Secondary language

Abstract:The article describes the operation of a module for the protection of movement of a voicc-operated intelligent wheelchair (VOIC). The VOIC is used by a handicapped person, who can guide the wheelchair only with his/her voice. A general overview of the tasks of individual modules of the VOIC system, from the voice command recognition to the execution of commands, is given. A security module (SM), which is based on fuzzy logic, is described. Based on the sensor data, the SM controls the safe guidance of the wheelchair through the environment by stopping the wheelchair at a safedistance from obstacles. The additional task of the SM is to avoid obstacles and to automatically guide the wheelchair through narrow passages, which relieves the user of the difficult voice guidance. The realization of the SM prototype, executed in the 2-D simulator of mobile robots MobotSim, using Visual Basic programming language, is described. The adequacy of choosing fuzzy logic for this application is supported with simulation data.


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