Ramachandran, Nagarajan, Prof. Dr.: Recent submissions
Now showing items 61-80 of 90
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Neuro-Fuzzy based motor imagery classification for a four class brain machine interface
(Universiti Malaysia Perlis, 2009-10-11)Brain Machine Interface (BMI) provides a digital link between the brain and a device such as a computer, robot or wheelchair. This paper presents a BMI design using Neuro-Fuzzy classifiers for controlling a wheelchair using ... -
Simultaneous localization and map building – a guided tour
(Universiti Malaysia Perlis, 2009-10-11)Simultaneous Localization and Mapping (SLAM) has been one of the active research areas in robotic community for the past decade of years. SLAM addresses the problem of a robot navigating and building a map of an ... -
Two axis adaptive predictive Fuzzy Logic Controller for a pico-satellite
(Universiti Malaysia Perlis, 2009-10-11)In this paper, extensive simulations of Adaptive Predictive Fuzzy Logic Controller (APFLC) has been made to study the performances of the attitude control system for a Pico-satellite. A fuzzy controller is developed based ... -
Development of Attitude Control System on RCM3400 microcontroller for Nano-satellite applications
(Universiti Malaysia Perlis, 2009-10-11)This paper describes the development of a nano-satellite attitude control system (ACS) which employ a Kalman filter based controller and a simple adaptive predictive fuzzy logic controller (APFLC) for a 1, 2 and 3 axis ... -
Developing an autonomous mobile robot and a study of navigation towards nonholonomic problems
(Universiti Malaysia Perlis, 2009-10-11)In this paper, we present the first stage of developing mobile robot for use in a study of mobile robot navigation and its stability. Three basic navigation problems for Nonholonomic mobile robot are tracking a reference ... -
ROVI: a robot for visually impaired for collision- free navigation
(Universiti Malaysia Perlis, 2009-10-11)ROVI is a device used to guide visually impaired people to dwell around. The conventional method is the white cane which will be used to sense the surface and of the obstacle around the blind. In this project, the white ... -
Brain machine interface based wheelchair control with minimal subject training
(Universiti Malaysia Perlis, 2009-10-11)Wheelchair control using a Brain Machine Interface based on motor imagery requires adequate subject training. In this paper we propose a new algorithm for a brain machine interface design which is implemented in real-time ... -
Modified energy based time-frequency features for classifying human emotions using EEG
(Universiti Malaysia Perlis, 2009-10-11)In this paper we summarize the emotion recognition from the electroencephalogram (EEG) signals. The combination of surface Laplacian filtering, time-frequency analysis (Wavelet Transform) and linear classifiers are used ... -
Design and development of stereo motion for mobile observation center
(Universiti Malaysia Perlis, 2009-10-11)This paper presents an approach to the condition monitoring patient in ICU. A human-computer interface (HCI) system is designed for the people with severe disabilities. For the last decades, most of the patients’ sleeps ... -
Facial emotion detection using Guided Particle Swarm Optimization (GPSO)
(Universiti Malaysia Perlis, 2009-10-11)In this paper, we present a novel approach to human facial emotion detection by applying a modified version of the Particle Swarm Optimization (PSO) algorithm, which we called Guided Particle Swarm Optimization (GPSO). ... -
A Support system for visually impaired persons to understand environmental information using Acoustic Interface
(Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-14)Visually impaired find their navigation difficult as they often lack the needed information for bypassing obstacles and hazards. Electronic Travel Aids (ETAs) are devices that use sensor technology to assist and improve ... -
A preliminary study of Patient Lifting Robot for Nurse assistance
(Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-14)The advancement in technology and medicine has indeed tremendously improved the medical treatment, health and hospital care. In spite of that, the increasing rate of patients being admitted into hospitals and health care ... -
Human faces: a review from detection to recognition
(Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-14)In this paper, we review researches on human faces from aspect of face recognition and face detection. Face emotion recognition are also reviewed. The study of human faces has much assistance on computer vision and machine ... -
On stereo processing procedure applied towards blind navigation aid - SVETA
(Institute of Electrical and Electronics Engineering (IEEE), 2005)This paper presents a portable traveling support system using stereo image processing for the visually impaired people's navigation. This system named as SVETA consists of a helmet molded with stereo cameras in the front, ... -
Stereo vision system for a bin picking adept robot
(Universiti Malaya, 2007)In bin picking applications, robots are required to pick up an object from a pile of stacked or scattered objects placed in a bin. To perform such tasks, identification of the objects to be picked using a vision system is ... -
Fuzzy matching scheme for stereo vision based electronic travel aid
(Institute of Electrical and Electronics Engineering (IEEE), 2005)Navigation is a significant barrier to individuals with visual impairments. In response to this barrier, a wearable stereo-vision system was investigated and a prototype system named Stereo Vision based Electronic Travel ... -
Object localization using stereo sensors for adept SCARA robot
(Institute of Electrical and Electronics Engineers (IEEE), 2006)In this paper we present a stereo vision system for segmentation of partially occluded objects and computation of object grasping point in bin picking environments. The stereo vision system was interfaced with an Adept ... -
Fuzzy based classification of EEG mental tasks for a brain machine interface
(Institute of Electrical and Electronics Engineers (IEEE), 2007-11-28)Patients with neurodegenerative diseases loose all motor movements including impairment of speech, leaving the patients totally locked-in. One possible option for rehabilitation of such patients is using a brain machine ... -
EEG classification using radial basis PSO neural network for brain machine interfaces
(Institute of Electrical and Electronics Engineering (IEEE), 2007-12)Brain Machine Interfaces use the cognitive abilities of patients with neuromuscular disorders to restore communication and motor functions. At present, only EEG and related methods, which have relatively short time constants, ... -
Japanese face emotions classification using lip features
(Institute of Electrical and Electronics Engineering (IEEE), 2007)In this paper, lip features are applied to classify the human emotion using a set of irregular ellipse fitting equations using Genetic algorithm. As Japanese, is considered in this study. All six universally accepted ...