Franklin M. Silva

Fine Motor Rehabilitation of Children Using the Leap Motion Device – Preliminary Usability Tests

A 3D virtual system is presented using the leap motion device and Unity 3D software. The system is based on three playful tasks that allow children to recover their fine motor skills in an entertaining way. This system is designed to perform movements like flexion-extension of fingers, supination-pronation, ulnar and radial deviation. The games stimulate visual motor coordination and concentration, which are important factors in the recovery of fine motor skills. The system was used by ten children aged between 6 and 10 years and they have the support of a rehabilitation specialist. After they have completed all the tasks, the SEQ (Single Ease Question) usability test was applied with results (60.8 ± 0.26). The test allows determining that the system has a good acceptance to be used in rehabilitation.

Interactive System for Monitoring and Control of a Flow Station Using LabVIEW

This work delivers the design of an interactive system that allows end user to interact with an intuitive, friendly and efficient way within the process control world. Using Raspberry Pi 3 with a high-level language, a fuzzy control algorithm applied to a flow station is implemented, whose information will be sent in serial form to an interface developed in the LabVIEW software. This interface has three windows, in which you can modify the value of the setpoint, trends views and save historical data for the subsequent processing of such information. This will replace the expensive conventional display screens, with interfaces developed in computer. Besides, it is demonstrated its applicability and ease of communication with low-cost embedded boards, through experimental tests and usability surveys.

Real Time Driver Drowsiness Detection Based on Driver’s Face Image Behavior Using a System of Human Computer Interaction Implemented in a Smartphone

The main reason for motor vehicular accidents is the driver drowsiness. This work shows a surveillance system developed to detect and alert the vehicle driver about the presence of drowsiness. It is used a smartphone like small computer with a mobile application using Android operating system to implement the Human Computer Interaction System. For the detection of drowsiness, the most relevant visual indicators that reflect the driver’s condition are the behavior of the eyes, the lateral and frontal assent of the head and the yawn. The system works adequately under natural lighting conditions and no matter the use of driver accessories like glasses, hearing aids or a cap. Due to a large number of traffic accidents when driver has fallen asleep this proposal was developed in order to prevent them by providing a non-invasive system, easy to use and without the necessity of purchasing specialized devices. The method gets 93.37% of drowsiness detections.

Interactive System Using Beaglebone Black with LINUX Debian for Its Application in Industrial Processes

In this article it presents the development of an interactive system, which allows the user to interact with an air flow temperature control process, implemented with two control algorithms: Proportional Integral Derivative PID and Fuzzy control. It is intended to demonstrate the usefulness of an interactive system in industrial applications, it is used a low-cost embedded system the Beaglebone Black and LINUX Debian free software, also the system allows to enter the desired control parameters and to adequately observe the behavior of the process and the efficiency of the controller; for the verification of the interactive system, a model of air flow temperature control plant was constructed, which is currently used as a didactic module in the Laboratory of Process Control of the University.

Interactive System Using Myoelectric Muscle Sensors for the Strengthening Upper Limbs in Children

This work presents a system for strengthening upper limbs in children through an interactive videogame system and the use of myoelectric muscle sensors. The system allows the acquisition of myoelectric signals taken by electrodes placed in the muscles of interest so they are sent to the computer to be visualized in the virtual interface. Several virtual interfaces were developed in the Unity 3D graphical engine in which the degree of difficulty of the videogame can be selected as well as the muscle affectation and the duration of the repetitions of each exercise. User personal data is stored in a data sheet. The data transmission is carried out using Bluetooth wireless technology in charge of establishing a reliable and real-time communication. Tests were performed on 5 users (3 boys and 2 girls) with ages between 6 to 12 years, and the SUS usability test was applied with results (84.5 ± 0.62), which allows to determine that the system has a good acceptance to be used in muscle strengthening.

Virtual Reality System for Assistance in Treating Respiratory Disorders

This paper presents a virtual reality app for pulmonary diseases treatment in children through VR game, which consists of visual and auditory stimulation thus the therapy won’t be annoying to the patient. The procedure consists of a previous stage of respiratory training which the patient is asked for a deep inhalation followed by an exhalation, both within a period of 3 to 6 s and requested 3 times. The app will offer the patient different activities in a virtual environment depending on the inhalation and exhalation exercise required by the stages of their therapy, using HTC VIVE virtual reality glasses. Recognition of inhalation and exhalation exercises is performed using a DTW classifier running in real time in MATLAB and with a direct, two-way connection to Unity. Therefore, the app encourages the patient to perform the exercises therapy in an accurate and fun way and as a result respiratory signal graphs are shown for evaluation by the therapist.

e-Tourism: Governmental Planning and Management Mechanism

This article proposes the development of a virtual application as a planning and government management tool, focused on the digitization of objects, monuments-buildings, and real environments using 2D and 3D virtualization techniques. The application considers two modes of use: PLANNER for use by managers and planners of offices and technical units linked to tourism; and TOURIST created for travelers, hikers or tourists in general. The first allows recreating new scenes incorporating objects that make it attractive to the tourist recourse, and thus achieve a projected image of the vision of development proposed by the planner; and the second designed to recreate touristic environments and program circuits, provoking a tourist avatar through HTC VIVE, Oculus Rift and GearVR Headsets to make the application available to the largest market segment of virtual reality viewers. In addition, the app allows the interaction of several users in the same scenario to exchange information and experiences of the place.

Virtual System for Teaching-Learning of Initial Education Using a Haptic Device.

This article proposes a teaching-learning system for children of initial education through haptic devices and 3D Unity software. The system has several virtual interfaces that will be chosen according to the age, skills and knowledge that the child needs to acquire or improve. The interface allows to view the environment where the user must do a task or activity by the teacher in charge. Which it can listen to the instructions issued by the system and then be executed, also it has an introduction that remembers the objective to be fulfilled according to the interface. Through the haptic device geomagic Touch, a trajectory tracking control is carried out, which allows the child to perceive by means of feedback of forces if the movement and the direction with which he makes the stroke is the correct one. In addition, it allows to acquire the input signals the same that are sent to an algorithm that validates the stroke of the uppercase, lowercase vowels and basic figures made by the child. Also, it indicates to the teacher the results in a qualitative way.

Data Link System Flight Tests for Unmanned Aerial Vehicles

This document establishes the considered procedures for UAV - F communication system’s flight tests, considering the compliance with the requirements of international standards showing the results of applying those procedures. In the paper there is a description of the aircraft’s communications system as the starting point of analysis. The tests were done considering each of the airworthiness requirements of the communications system to establish the way for data gathering. It is also described the related procedures and test parameters which allow to develop a new system as described in the general methodology. The outcomes of this work demonstrated the system’s ability to extend the communication to the compliance of the USAR of the STANAG4701 standard of NATO, in order to establish procedures for validation and certification of an “in development” aircraft and to build communication over obstacles.

Teaching-Learning System Using Virtual Reality and Haptic Device to Improve Skills in Children of Initial Education

A virtual system for teaching - learning is presented using a haptic device, to improve the skills in children in initial education. Two interactive games were created using Unity 3D software. The first allows identifying the primary colors and notions of space. The second identifies the geometric figures as circle, triangle, square and rectangle. Both games has visual, auditory and strength feedback, which allows performing the tasks correctly. The outcomes allow evaluating the children learning process in initial education in a qualitative way by a educator.