scholarly journals Single-Switch User Interface for Robot Arm to Help Disabled People Using RT-Middleware

2011 ◽  
Vol 2011 ◽  
pp. 1-13 ◽  
Author(s):  
Yujin Wakita ◽  
Natsuki Yamanobe ◽  
Kazuyuki Nagata ◽  
Eiichi Ono
Keyword(s):  
User Interface ◽  
Muscular Dystrophy ◽  
Muscle Strength ◽  
Simulation System ◽  
Manual Control ◽  
Input Device ◽  
Robot Arm ◽  
Disabled People ◽  
Interface System ◽  
Robot Systems

We are developing a manipulator system in order to support disabled people with less muscle strength such as muscular dystrophy patients. Such a manipulator should have an easy user interface for the users to control it. But the supporting manipulator for disabled people cannot make large industry, so we should offer inexpensive manufacturing way. These type products are called “orphan products.” We report on the construction of the user interface system using RT-Middleware which is an open software platform for robot systems. Therefore other user interface components or robot components which are adapted to other symptoms can be replaced with the user interface without any change of the contents. A single switch and scanning menu panel are introduced as the input device for the manual control of the robot arm. The scanning menu panel is designed to perform various actions of the robot arm with the single switch. A manipulator simulation system was constructed to evaluate the input performance. Two muscular dystrophy patients tried our user interface to control the robot simulator and made comments. According to the comments by them, we made several improvements on the user interface. This improvements examples prepare inexpensive manufacturing way for orphan products.

Reconfigurable User Interfaces for CAD Applications

2016 ◽  
Author(s):  
Mitchell J. Kelley ◽  
David W. Rosen
Keyword(s):  
User Interface ◽  
User Interfaces ◽  
User Studies ◽  
Use Cases ◽  
Input Device ◽  
Technical Design ◽  
Prototype Implementation ◽  
Cad Systems ◽  
Cad System ◽  
Interface System

CAD systems have powerful features for creative technical design, yet these features are exposed through highly restrictive user interfaces. We argue that CAD users would be more productive and creative if they had greater control over their interface configuration. We propose and specify a feature set for a reconfigurable CAD user interface system. We review our prototype implementation of the proposed system and several use cases where a reconfigurable user interface would be beneficial. We present insights from our experience with popular CAD systems, various reconfigurable text editors, and our prototype CAD system. This work focuses on enhancing the utility of mice and keyboards but can be extended to any input device. Planned user studies are presented.

A Gesture-Based Intuitive Interaction System and its Target Selection Algorithm

2011 ◽  
pp. 646-656
Author(s):  
Jong-Woon Yoo
Keyword(s):  
User Interface ◽  
Mobile Devices ◽  
Target Selection ◽  
Electronic Devices ◽  
Input Device ◽  
Selection Algorithm ◽  
Selection Technique ◽  
Intelligent Interface ◽  
Interface System ◽  
User Friendly

This chapter presents an intelligent interface system, including a new gesture-based wearable input device called iThrow as a main user interface for mobile devices, and an infrastructure helping users be aware of and make use of various electronic devices in user-friendly manners. In this kind of intelligent interface system, selecting an object among multiple ones is one of the fundamental functions because it is a precursor to all other subsequent actions. We propose a new selection algorithm that improves selection speed by adaptively resizing the objects’ angular widths. Results show that the proposed algorithm outperforms the ray-based selection technique in selection speed by about 62.6%.

Human–robot interaction via voice-controllable intelligent user interface

Robotica ◽  
2007 ◽  
Vol 25 (5) ◽  
pp. 521-527 ◽  
Author(s):  
Harsha Medicherla ◽  
Ali Sekmen
Keyword(s):  
User Interface ◽  
User Interfaces ◽  
Spatial Reasoning ◽  
User Preferences ◽  
Human Robot Interaction ◽  
Manual Control ◽  
Reasoning Ability ◽  
Robot Interaction ◽  
Intelligent User Interface ◽  
Voice Control

SUMMARYAn understanding of how humans and robots can successfully interact to accomplish specific tasks is crucial in creating more sophisticated robots that may eventually become an integral part of human societies. A social robot needs to be able to learn the preferences and capabilities of the people with whom it interacts so that it can adapt its behaviors for more efficient and friendly interaction. Advances in human– computer interaction technologies have been widely used in improving human–robot interaction (HRI). It is now possible to interact with robots via natural communication means such as speech. In this paper, an innovative approach for HRI via voice-controllable intelligent user interfaces is described. The design and implementation of such interfaces are described. The traditional approaches for human–robot user interface design are explained and the advantages of the proposed approach are presented. The designed intelligent user interface, which learns user preferences and capabilities in time, can be controlled with voice. The system was successfully implemented and tested on a Pioneer 3-AT mobile robot. 20 participants, who were assessed on spatial reasoning ability, directed the robot in spatial navigation tasks to evaluate the effectiveness of the voice control in HRI. Time to complete the task, number of steps, and errors were collected. Results indicated that spatial reasoning ability and voice-control were reliable predictors of efficiency of robot teleoperation. 75% of the subjects with high spatial reasoning ability preferred using voice-control over manual control. The effect of spatial reasoning ability in teleoperation with voice-control was lower compared to that of manual control.

A Chinese cooking robot for elderly and disabled people

Robotica ◽  
2011 ◽  
Vol 29 (6) ◽  
pp. 843-852 ◽  
Author(s):  
Wen-Tao Ma ◽  
Wei-Xin Yan ◽  
Zhuang Fu ◽  
Yan-Zheng Zhao
Keyword(s):  
User Interface ◽  
Special Needs ◽  
Daily Life ◽  
Personal Digital Assistant ◽  
Design Principles ◽  
Graphic User Interface ◽  
Disabled People ◽  
Chinese Cooking ◽  
Barrier Free

Cooking themselves is very important and difficult for elderly and disabled people in daily life. This paper presents a cooking robot for those people who are confined to wheelchairs. The robot can automatically load ingredients, cook Chinese dishes, take cooked foods out, deliver dishes to the table, self-clean, collect used ingredient box components, and so on. Its structure and interface is designed based on the barrier-free design principles. Elderly and disabled people can only click one button in the friendly Graphic User Interface of a Personal Digital Assistant (PDA) to launch the cooking processes, and several classic Chinese dishes would be placed in front of them one after another within few minutes. Experiments show that the robot can meet their special needs, and the involved aid activities are easy and effective for elderly and disabled people.

scholarly journals Isometric resistance training increases strength and alters histopathology of dystrophin-deficient mouse skeletal muscle

2019 ◽  
Vol 126 (2) ◽  
pp. 363-375 ◽  
Author(s):  
Angus Lindsay ◽  
Alexie A. Larson ◽  
Mayank Verma ◽  
James M. Ervasti ◽  
Dawn A. Lowe
Keyword(s):  
Skeletal Muscle ◽  
Muscular Dystrophy ◽  
Muscle Strength ◽  
Exercise Training ◽  
Satellite Cells ◽  
Eccentric Contraction ◽  
Deficient Mouse ◽  
Isometric Training ◽  
Isometric Torque ◽  
Edl Muscle

Mutation to the dystrophin gene causes skeletal muscle weakness in patients with Duchenne muscular dystrophy (DMD) or Becker muscular dystrophy (BMD). Deliberation continues regarding implications of prescribing exercise for these patients. The purpose of this study was to determine whether isometric resistance exercise (~10 tetanic contractions/session) improves skeletal muscle strength and histopathology in the mdx mouse model of DMD. Three isometric training sessions increased in vivo isometric torque (22%) and contractility rates (54%) of anterior crural muscles of mdx mice. Mice expressing a BMD-causing missense mutated dystrophin on the mdx background showed comparable increases in torque (22%), while wild-type mice showed less change (11%). Increases in muscle function occurred within 1 h and peaked 3 days posttraining; however, the adaptation was lost after 7 days unless retrained. Six isometric training sessions over 4 wk caused increased isometric torque (28%) and contractility rates (22–28%), reduced fibrosis, as well as greater uniformity of fiber cross-sectional areas, fewer embryonic myosin heavy-chain-positive fibers, and more satellite cells in tibialis anterior muscle compared with the contralateral untrained muscle. Ex vivo functional analysis of isolated extensor digitorum longus (EDL) muscle from the trained hindlimb revealed greater absolute isometric force, lower passive stiffness, and a lower susceptibility to eccentric contraction-induced force loss compared with untrained EDL muscle. Overall, these data support the concept that exercise training in the form of isometric tetanic contractions can improve contractile function of dystrophin-deficient muscle, indicating a potential role for enhancing muscle strength in patients with DMD and BMD. NEW & NOTEWORTHY We focused on adaptive responses of dystrophin-deficient mouse skeletal muscle to isometric contraction training and report that in the absence of dystrophin (or in the presence of a mutated dystrophin), strength and muscle histopathology are improved. Results suggest that the strength gains are associated with fiber hypertrophy, reduced fibrosis, increased number of satellite cells, and blunted eccentric contraction-induced force loss in vitro. Importantly, there was no indication that the isometric exercise training was deleterious to dystrophin-deficient muscle.

User Interface, System Design

2015 ◽  
pp. 1561-1565
Author(s):  
Jianjie Li ◽  
Xin Yang ◽  
Xunqiang Tao ◽  
Jie Tian
Keyword(s):  
User Interface ◽  
System Design ◽  
Interface System

scholarly journals Biological-Signal-Based User-Interface System for Virtual-Reality Applications for Healthcare

2018 ◽  
Vol 2018 ◽  
pp. 1-10
Author(s):  
Sang Hun Nam ◽  
Ji Yong Lee ◽  
Jung Yoon Kim
Keyword(s):  
Virtual Reality ◽  
User Interface ◽  
Virtual Reality Technology ◽  
Biological Signal ◽  
Patient Health Status ◽  
Interface System ◽  
Biological Signals ◽  
Patient Health ◽  
System Module ◽  
Tracking Device

Biosignal interfaces provide important data that reveal the physical status of a user, and they are used in the medical field for patient health status monitoring, medical automation, or rehabilitation services. Biosignals can be used in developing new contents, in conjunction with virtual reality, and are important factors for extracting user emotion or measuring user experience. A biological-signal-based user-interface system composed of sensor devices, a user-interface system, and an application that can extract biological-signal data from multiple biological-signal devices and be used by content developers was designed. A network-based protocol was used for unconstrained use of the device so that the biological signals can be freely received via USB, Bluetooth, WiFi, and an internal system module. A system that can extract biological-signal data from multiple biological-signal data and simultaneously extract and analyze the data from a virtual-reality-specific eye-tracking device was developed so that users who develop healthcare contents based on virtual-reality technology can easily use the biological signals.

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