IJE TRANSACTIONS C: Aspects Vol. 27, No. 3 (March 2014) 359-366   

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T.Mathavaraj Ravikumar and R. Saravanan
( Received: April 09, 2013 – Accepted: August 22, 2013 )

Abstract    Pose estimation is one of the vital issues in mobile robot navigation. Odometry data can be fused with absolute position measurements to provide better and more reliable pose estimation. This paper deals with the determination of better relative localization of a two wheeled differential drive robot by means of odometry by considering the influence of parameters namely weight, velocity, wheel perimeter and tyre width. Experiments have been conducted based on central composite rotatable design matrix. A mathematical model has been developed for the robot using Response Surface Methodology (RSM) with the help of MINITAB software. An optimum condition for minimum odometry error was obtained by using Excel (XL) Solver.


Keywords    Mobile Robot, Odometry, Relative Localization, Response Surface Methodology, Excel Solver.


چکیده    تخمین وضعیت یکی از موضوعات مهم در ناوبری روبات تلفن همراه است. داده های اودومتری را می‌توان با اندازه گیری موقعیت مطلق تلفیق کرده و برآورد بهتر و قابل اعتمادتر را وضعیت را به دست آورد. این مقاله به تعیین محل نسبی بهتر از یک روبات دو دیفرانسیل چرخ‌دار با استفاده از اودومتری با در نظر گرفتن تاثیر پارامترهای وزن، سرعت، محیط چرخ و عرض تایر می‌پردازد. آزمایش بر اساس ماتریس طراحی چرخان مرکب مرکزی انجام شده است. مدل ریاضی برای روبات با کمک نرم افزارMINITAB انجام شده است. محدوده و شرایط برای حداقل خطا در سنجش اودومتری بهینه به ترتیب با استفاده از روش سطح پاسخ (RSM) و اکسل (XL) حل کننده به دست آمد.



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