challenges and future directions

... Design challenges and future directions Although great progress has been made in the centurylong effort to design and implement robotic exoskeletons and powered orthoses, many design challenges ... extension, helping to lift the body up the next step, and delaying the onset of bicep and tricep muscle fatigue In future developments, robotic exoskeletons and powered orthoses could be put forth that ... limbs and lowering the metabolic demands to walk, run, and hop Furthermore, such a parallel exoskeleton would not increase limb length, thereby not increasing the overall energetic demand to...

Ngày tải lên: 19/06/2014, 08:20

... [6] gave valuable commentaries on future trends and challenges in this field of research Gorak and co-workers [7] summarized rate-based modeling techniques for RD and also for reactive absorption ... 3-527-30579-3 (Hardback); 3-527-60052-3 (Electronic) Kai Sundmacher and Achim Kienle (Eds.) Reactive Distillation Status and Future Directions Reactive Distillation Edited by Kai Sundmacher, Achim ... be developed and applied, ensuring XI Preface optimal and safe operation This is another very important area of current and future research and development Today, RD is discussed as one part of...

Ngày tải lên: 01/04/2014, 11:30

... displacement, and 2) the product of torque and angular displacement s F · ds W= (3) θ and τ · dθ , W= (4) where force and torque are denoted as F and τ, respectively, and the linear and angular ... analysis and the human physiology, mechanical and figure design, and manuscript writing AS contributed to the aspects of mechanical design and control that are related to this study and to the ... article as: Riemer and Shapiro: Biomechanical energy harvesting from human motion: theory, state of the art, design guidelines, and future directions Journal of NeuroEngineering and Rehabilitation...

Ngày tải lên: 19/06/2014, 08:20

... impact on speech understanding [9] 2.3 Challenges and future trends Although today’s directional microphones in hearing aids provide a significant improvement of speech understanding in many noisy ... the time and frequency indices in many subbands and utilizing short-term estimates for the required power spectral densities Sss (l, k), Snn (l, k), and Sxx (l, k) of speech, noise, and noisy ... narrowband and broadband level [42] The input-output function (see component in Figure 8) calculates a time-varying gain which is multiplied by the bandpass signal or the magnitude of the complex bandpass...

Ngày tải lên: 23/06/2014, 01:20

... building, animating, and changing a scene SandScape and Illuminating Clay [115] are TUIs for designing and understanding landscapes (Figure 4.4) The users can alter the Fig 4.4 The Sandscape [115] ... technologies and toolkits for building TUIs We then move on to design and evaluation methods in Section We close with a discussion of the strengths and limitations of TUIs and future research directions ... Foundations and Trends R in Human–Computer Interaction Vol 3, Nos 1–2 (2009) 1–137 c 2010 O Shaer and E Hornecker DOI: 10.1561/1100000026 Tangible User Interfaces: Past, Present, and Future Directions...

Ngày tải lên: 29/06/2014, 17:20

... to suggest directions and challenges for future research and to discuss the implications of this research A conceptual framework In attempting to understand the links between society and psychosis, ... oversimplifying and reifying complex social processes 249 Future directions and implications Implications There are many potential implications and suggestions for further research within each chapter, and ... i.e., post-migration, and are present in primary migrant 242 C Morgan, K McKenzie and P Fearon populations and in their children and subsequent generations Further, CantorGraae and Selten’s (2005)...

Ngày tải lên: 01/11/2013, 09:20

... female veterans and active duty personnel 29 Cognitive processing therapy and exposure-therapy have shown promise in treating both combat and non-combat related PTSD As the military and VA implement ... also noted that consultants and military contractors exposed to combat situations face similar challenges and barriers to obtaining appropriate services to diagnose and treat PTSD More research ... depression and PTSD, referrals to appropriate treatment, and care coordination and follow-up by primary care providers.38 This program may be particularly effective for identifying and treating...

Ngày tải lên: 13/02/2014, 06:20

Ngày tải lên: 09/03/2014, 14:20

... 1978; Andreassen and Rosenfalck, 1981) 3.2.2 Assumptions of the core-conductor model and the line-source model: the first approach to convolutional models Clark and Plonsey (1966, 1968) and then Andreassen ... 16 A Perspective on Current Applications and Future Challenges most widely used relationship between fiber diameter and conduction velocity (Nandedkar and Stålberg, 1983) is: v = 3.7 + 0.05 ( ... Yamamoto and Kiyotaka Izumi Chapter 14 Proposal of a Neuro Fuzzy System for Myoelectric Signal Analysis from Hand-Arm Segment 337 Gabriela Winkler Favieiro and Alexandre Balbinot Chapter 15 Design and...

Ngày tải lên: 23/03/2014, 14:20

... on Melanoma – A Glimpse into Current Directions and Future Trends, Edited by Mandi Murph p cm ISBN 978-953-307-293-7 free online editions of InTech Books and Journals can be found at www.intechopen.com ... Cellular Differentiation and Cell Fate in Malignant Melanoma Paul Kuzel and Andy J Chien Part 287 Tumor Progression and the Microenvironment 309 Chapter 15 Role of Angiogenesis and Microenvironment ... Valyi-Nagy, Andras Voros, Eva Gagyi and Tibor Valyi-Nagy Chapter 19 The Role of Adhesion Receptors in Melanoma Metastasis and Therapeutic Intervention Thereof 393 Michael Alexander and Gerd Bendas...

Ngày tải lên: 28/06/2014, 05:20

... two-SMA actuator and helps to understand the relationship between the variables involved in the equations 24 Smart Actuation and Sensing Systems – Recent Advances and Future Challenges Line OA ... from orders@intechopen.com Smart Actuation and Sensing Systems – Recent Advances and Future Challenges, Edited by Giovanni Berselli, Rocco Vertechy and Gabriele Vassura p cm ISBN 978-953-51-0798-9 ... Detoni, Diego Boero, Andrea Tonoli and Marcello Chiaberge 249 Contents Chapter 19 Magnetoelastic Energy Harvesting: Modeling and Experiments 487 Daniele Davino, Alessandro Giustiniani and Ciro Visone...

Ngày tải lên: 29/06/2014, 13:20

... pain generation in PNST and future therapeutic directions The dichotomy seen clinically between pressure induced pain (which occurs in both benign and malignant tumors) and rest pain (largely ... between benign and malignant lesions as early as possible in the clinical work-up and management of these lesions, as they are treated very differently, and exhibit very different clinical and intraoperative ... Bountra C, Anand P: Immunolocalization of SNS/PN3 and NaN/SNS2 sodium channels in human pain states Pain 2000, 85(12):41-50 Yiangou Y, Birch R, Sangameswaran L, Eglen R, Anand P: SNS/PN3 and SNS2/NaN...

Ngày tải lên: 10/08/2014, 10:20

... childhood/adolescent and adult depression, and also between depression in childhood and adolescence This evidence comes from epidemiological studies that compare risk factors for childhood/adolescent and adult ... childhood- and adolescent-onset MDD, and that retrospective and prospective family studies report different results, this requires investigation in prospective studies that examine recurrence and continuity ... follow-up studies and epidemio­ logical studies show that there is strong homotypic continuity between adolescent and adult depression Thus, both adolescent depressive symptoms and disorder predict...

Ngày tải lên: 11/08/2014, 12:20

... (29) 52 Robotics 2010: Current and Future Challenges and then define Γr ¯ Γ22 , and Γo ¯ Γ12 (30) Now, substituting (25) into (22) and then using definitions (28) and (29), we arrive at vr + Γ ... Transactions on Robotics and Automation 9(5): 571 – 580 44 Robotics 2010: Current and Future Challenges Modeling and Control of Mechanical Systems in Terms of Quasi-Velocities 45 Modeling and Control of ... Robotics 2010: Current and Future Challenges Operational Space Dynamics of a Space Robot and Computational Efficient Algorithm 29 Operational Space Dynamics of a Space Robot and Computational Efficient...

Ngày tải lên: 11/08/2014, 21:22

... of Guidance, Control, and Dynamics 29(6), 1309–1314 62 Robotics 2010: Current and Future Challenges Spong, M W (1992) Remarks on robot dynamics: Canonical transformations and riemannian geometry ... boundedness Berghuis and Nijmeijer (1994); Egeland (1987); Qu and Dawson (1996) and nonlinear structure variable or switching controller that can guarantee global stability Liu and Goldenberg (1996); ... z, s and s being the generalized forces, coordinates, velocities and accelerations, re˙ ¨ spectively M , C and g consist in the positive definite and symmetric mass matrix, the Coriolis and centrifugal-forces...

Ngày tải lên: 11/08/2014, 21:22

... q1  q1 max and q  q  q max • The object and the floor contact at a point and the object does not rotational motion • A mode where both contact points (hand and object / object and floor) are ... hands must have the same size and number of fingers and a tactile sense similar to those of the human hand It is necessary to develop dexterous robot hands Examples of multi-fingered robot hands ... joint angles of the manipulator and their velocities and also • position and velocity of the object and the ones of contact point • contact mode at contact point and (stick/slip to positive direction...

Ngày tải lên: 11/08/2014, 21:22

... end and the right end of the rope are represented by l1 and l2, and the left end and the right end of the object are represented by r1 and r2 The description of intersections on the rope and ... q 1and q3 are set to 90° The initial values of q5 and q6 are set to 0°, respectively q2 and q4, corresponding to θ1 and θ2 in Fig (a), respectively, are controlled by the neural oscillators and ... and to define the relationship between the knotting process and the individual skills that can be performed by a robot hand (Yamakawa et al., 2008) Finally, two kinds of knot (overhand knot and...

Ngày tải lên: 11/08/2014, 21:22

... by the robot hand in knot manipulation Finally, we demonstrated productions of an overhand knot and a half hitch by using a highspeed multifingered hand with high-speed visual and tactile sensory ... High-speed Multifingered Hand and a High-speed Vision System, Proc IEEE Int Conf on Robotics and Automation, pp 181-187 Inoue, H & Inaba, M (1984) Hand-eye Coordination in Rope Handling, Robotics Research: ... Bouri1, Reymond Clavel1, Yves Allemand2 and Roland Brodard2 1EPFL, LSRO Station 9, 1015 Lausanne, Switzerland 2FSC, Rue du Commerce 2,1870 Monthey 2, Switzerland Introduction In industrialized...

Ngày tải lên: 11/08/2014, 21:22

... right and left wheels of TW-2 and the midpoints of the right and left wheels It was found that TW-2 is rotated by making the left driving wheel the center of rotation Robotics 2010: Current and Future ... belt (the middle) and belt with grousers (the right) Fig Vertebral structure of FMT: 3D CAD image (the left) and its anatomy chart (the right) 246 Robotics 2010: Current and Future Challenges Fig ... right hand side in the case, 2-4s), gets up by lateral flexion which makes center of FMT elevate (5-7s), and recovers to straight configuration 256 Robotics 2010: Current and Future Challenges...

Ngày tải lên: 11/08/2014, 21:22

... (left) and sigmoidal MF’s (right) Conclusion and Future Works 7.1 Conclusion We addressed the design and development of a pipe crawler for water pipe inspection along with the detailed derivation and ... system defined by a righthanded, orthogonal Xi , Yi , Zi coordinate frame The Zi axis is parallel to the pipe’s centerline and is pointed upward The Xi and Yi directions and the location of the ... can plug P training data into (25) and obtain a matrix equation : AX = B (26) where X is a vector of unknown parameters in S2 , and A and B are the set of inputs and outputs, respectively Let ∣S2...

Ngày tải lên: 11/08/2014, 21:22