I. INTRODUCTION
EMOTE CONTROL is one of the best solutions for
managing inaccessible systems. Many researches
have been made in the field of the remote control [1], [2],
[3], [4]. These researches have improved certain aspects
of industry, medicine, military, etc. The benefits of
remote control are numerous such as: operating in hazard
environment, telemedicine, missile guidance etc. The
most important characteristic of remote control is
operating in real-time as shown in papers form references
[5], [6], [7].
In today’s society, robots are used in various areas
especially in those where high precision is required.
Some of the examples where robotic arms found their
appliance are: in vehicle construction where efficiency
and reliability are required, in chemical industry where
environment is not suitable for human, in medicine where
robotic arm precision is used in operations etc [8]. Robots
have improved life standards and we are upgrading their
performances in order to make our lives easier and more
comfortable.
This paper describes implementation of the proposed
remote control of the robotic arm with five DOF via web
server and VNC server. VNC server was used to receive
visual feedback, since the quality of image was
important. It couldn’t be sent via MATLAB server
because real time characteristic would be lost. The
decision to use microcontroller was based on its
characteristics. Developing such system is cheaper than
developing on other platforms such as PLC or FPGA.
The realized system exhibits the following:
• implementation based on PIC16F877A microcontroller,
• adjustment of the rotation direction of the DC motors
inside each joint,
• precise control over RS-232 serial communication,
• extension to remote control the whole system,
• visual feedback to confirm the proper operation of the
robotic arm using a GUI and
• contact sensors (micro switch) which provide stop of
movement when final position of joint is reached.
This paper is structured as follows. In section II whole
data analysis of the realization of the system in
accordance from the previously specified requirements is
described. Section III provides hardware description that
was realized manually. Section IV explains hardware
programming
I. INTRODUCTIONEMOTE CONTROL is one of the best solutions formanaging inaccessible systems. Many researcheshave been made in the field of the remote control [1], [2],[3], [4]. These researches have improved certain aspectsof industry, medicine, military, etc. The benefits ofremote control are numerous such as: operating in hazardenvironment, telemedicine, missile guidance etc. Themost important characteristic of remote control isoperating in real-time as shown in papers form references[5], [6], [7].In today’s society, robots are used in various areasespecially in those where high precision is required.Some of the examples where robotic arms found theirappliance are: in vehicle construction where efficiencyand reliability are required, in chemical industry whereenvironment is not suitable for human, in medicine whererobotic arm precision is used in operations etc [8]. Robotshave improved life standards and we are upgrading theirperformances in order to make our lives easier and morecomfortable.This paper describes implementation of the proposedremote control of the robotic arm with five DOF via webserver and VNC server. VNC server was used to receivevisual feedback, since the quality of image wasimportant. It couldn’t be sent via MATLAB serverbecause real time characteristic would be lost. Thedecision to use microcontroller was based on itscharacteristics. Developing such system is cheaper thandeveloping on other platforms such as PLC or FPGA.The realized system exhibits the following:• implementation based on PIC16F877A microcontroller,• adjustment of the rotation direction of the DC motorsinside each joint,• precise control over RS-232 serial communication,• extension to remote control the whole system,• visual feedback to confirm the proper operation of therobotic arm using a GUI and• contact sensors (micro switch) which provide stop ofmovement when final position of joint is reached.This paper is structured as follows. In section II wholedata analysis of the realization of the system inaccordance from the previously specified requirements isdescribed. Section III provides hardware description thatwas realized manually. Section IV explains hardwareprogramming
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