... quantum dot with a spinorbit interaction Phys Rev B 2009, 79:165427 32 Pfund A, Shorubalko I, Ensslin K, Leturcq R: Dynamics of coupled spins in quantum dots with strong spin- orbit interaction Phys ... Kiselev AA, Kim KW: T-shaped spin filter with a ring resonator J Appl Phys 2003, 94:4001 12 Yamamoto M, Kramer B: A three-terminal spin filter induced by spin- orbit interaction in the presence ... JJ: Fluctuations of spin transport through chaotic quantum dots with spin- orbit coupling Phys Rev B 2009, 80:245313 20 Murakami S, Nagaosa N, Zhang S-C: Dissipationless Quantum Spin Current at Room...
Ngày tải lên: 21/06/2014, 02:20
... chapter would focus on spin Hall effect in metallic system, and on how it can be used to generate and detect spin current 12 CHAPTER THEORY 2.1 13 Spin- Orbit Interaction Spin- orbit interaction (SOI), ... a more promising scheme to generate and detect spin polarization through the spin Hall effect (SHE) mediated by spin- orbit interaction Spin- orbit interaction in solids was first studied by Dresselhaus ... includes the spin- spin interactions will lead to the proper definition of the spin current It is pointed out that the spin- spin interactions provide a microscopic understanding of the spin torque...
Ngày tải lên: 14/09/2015, 08:25
Báo cáo khoa học: Interaction of the P-type cardiotoxin with phospholipid membranes pptx
... CTII inserts loop more deeply into the micelle The inserted volume of CTII molecule within the micelle and within the membrane increases when the imidazole group of His31 becomes neutral This ... and activity relationship of their interaction with zwitterionic phospholipid dispersions J Biol Chem 269, 14473–14483 Ó FEBS 2003 Cardiotoxin/phospholipid interactions (Eur J Biochem 270) 2045 ... and their interactions with lipid membranes Biochim Biophys Acta 1462, 109–140 Ksenzhek, O.S., Gevod, V.S., Omel’chenko, A.M., Semenov, S.N., Sotnichenko, A.I & Miroshnikov, A.I (1978) Interaction...
Ngày tải lên: 17/03/2014, 03:20
control problems in robotics and automation - b. siciliano and k.p. valavanis (eds)
... to the theory of discrete event systems This is the subject of the chapter by McCarragher, where constrained motion systems are examined to demonstrate the advantages of discrete event theory ... represent compliant/damped/inertial interactions They not allow us to work in a lower-dimensional configuration space An exact dynamic model of the robot/environment interaction is dii~icult to obtain ... (multiple time-varying contact configurations) is treated in [3] The theory covers all possible cases (with contacts that fall within the "geometric constraints" class of the Hybrid paradigm!) In...
Ngày tải lên: 12/06/2014, 11:52
Báo cáo hóa học: " Pumped double quantum dot with spin-orbit coupling" doc
... double quantum dot with spin- orbit coupling EPL 2010, 90:27010 doi:10.1186/1556-276X-6-212 Cite this article as: Khomitsky and Sherman: Pumped double quantum dot with spin- orbit coupling Nanoscale ... geometry is reduced to the Zeeman spin splitting only The bulk-originated Dresselhaus (b) and structure-related Rashba (a) parameters determine the strength of spin- orbit coupling and make the electron ... (Bz)/2 only The spectral width of the pulse covers both the spin and the tunneling splitting of the ground state, thus, driving the spin and orbital dynamics simultaneously Since Tz(Bz)ω ≫ 1, that...
Ngày tải lên: 21/06/2014, 05:20
control problems in robotics and automation b siciliano and k p valavanis eds doc
... to the theory of discrete event systems This is the subject of the chapter by McCarragher, where constrained motion systems are examined to demonstrate the advantages of discrete event theory ... represent compliant/damped/inertial interactions They not allow us to work in a lower-dimensional configuration space An exact dynamic model of the robot/environment interaction is dii~icult to obtain ... (multiple time-varying contact configurations) is treated in [3] The theory covers all possible cases (with contacts that fall within the "geometric constraints" class of the Hybrid paradigm!) In...
Ngày tải lên: 27/06/2014, 18:20
Control Problems in Robotics and Automation - B. Siciliano and K.P. Valavanis (Eds) Part 1 pdf
... to the theory of discrete event systems This is the subject of the chapter by McCarragher, where constrained motion systems are examined to demonstrate the advantages of discrete event theory ... manipulators is now completely understood and solved Nonetheless, practical robotic tasks often require interaction between the manipulator and the environment, and thus a force control problem arises ... synchronization based on a Max-Plus algebra model is proposed in the chapter by Tam et al where the interaction between discrete and continuous events is treated in a systematic fashion The final...
Ngày tải lên: 10/08/2014, 01:23
Control Problems in Robotics and Automation - B. Siciliano and K.P. Valavanis (Eds) Part 2 pps
... represent compliant/damped/inertial interactions They not allow us to work in a lower-dimensional configuration space An exact dynamic model of the robot/environment interaction is dii~icult to obtain ... (multiple time-varying contact configurations) is treated in [3] The theory covers all possible cases (with contacts that fall within the "geometric constraints" class of the Hybrid paradigm!) In ... Lagrange-d'Alembert models have practical problems when the geometry a n d / o r dynamics of the interaction robot-environment are not accurately known 3.3 M u l t i - D i m e n s i o n a l F o...
Ngày tải lên: 10/08/2014, 01:23
Control Problems in Robotics and Automation - B. Siciliano and K.P. Valavanis (Eds) Part 3 pdf
... limits the type of environment and operator interaction that can be characterized, it allows the control system designer to draw upon well-developed network theory for synthesis and analysis of the ... to this observation, several researchers started to reconsider the problem of obtaining good grasping and manipulation performance by using mechanically simpler devices This approach can be seen ... process of hardware reduction without sacrificing performance can be seen in devices for "power grasping", or "whole-arm manipulation", i.e devices that exploit all their parts to contact and constrain...
Ngày tải lên: 10/08/2014, 01:23
Control Problems in Robotics and Automation - B. Siciliano and K.P. Valavanis (Eds) Part 4 ppt
... 2(3):10-18 [2] Anderson R J 1996 Building a modular robot control system using passivity and scattering theory In: Proc 1996 IEEE Int Conf Robot Automat Minneapolis, MN, pp 1626-1629 [3] Anderson R J, ... h a t a d a p t i v e control can be applied to u p d a t e ~ on-line Based on L y a p u n o v theory, the stability of the controlled s y s t e m can be proven - Fuzzy variable s t r u c t u ... lufjl >_ Igjl, when sj C g?i\g?jo, for j = 1, • •, n, respectively, from variable structure control theory Proof of (a): From the definition Icj in (3.10), when sj E g?j\Y2jo, it follows that I~j(sj)...
Ngày tải lên: 10/08/2014, 01:23
Control Problems in Robotics and Automation - B. Siciliano and K.P. Valavanis (Eds) Part 5 ppt
... requires knowledge of the dynamics of multi-link mechanisms, collision theory, control theory, and nonlinear dynamical systems theory There is a rich body of literature that concerns the design and ... B, Bastin G (eds) Theory of Robot Control Springer-Verlag, London, UK, pp 219 261 [15] De Luca A, Tomei P 1996 Elastic Joints In: Canudas de Wit C, Siciliano B, Bastin G (eds) Theory of Robot Control ... End-effector trajectory tracking in flexible arms: Comparison of approaches based on regulation theory In: Canudas de Wit C (ed) Advanced Robot Control Springer-Verlag, Berlin, Germany, pp 190206...
Ngày tải lên: 10/08/2014, 01:23
Control Problems in Robotics and Automation - B. Siciliano and K.P. Valavanis (Eds) Part 6 ppt
... is based on the construction of a first return map by considering the intersection of periodic orbits with an k - dimensional cross section in the k dimensional state space There is one complication ... yet another problem that is being actively pursued by many investigators [1, 20, 2] Bipeds fall within a special class of kinematic chain problems where there are multiple contact points during ... exponentially stable and that the trajectories of the original and the averaged system stay close within an O ( v q ) neighbourhood for all time However, the system is not C nor does it have the...
Ngày tải lên: 10/08/2014, 01:23
Control Problems in Robotics and Automation - B. Siciliano and K.P. Valavanis (Eds) Part 8 ppsx
... coordination layer on the control actions (velocity and acceleration), so as to prevent collisions within and with other platoons, need also to be integrated The dynamics owned by the used sensors ... the link layer are performed safely A typical example is to ensure that collision may not occur within the vehicles of a given platoon The leading vehicle of this platoon should also consider ... deceleration regions were determined Therefore, if the regulation layer can preserve the vehicles within this region then a safe vehicle motion is ensured, see [7] L i n k l a y e r This layer...
Ngày tải lên: 10/08/2014, 01:23
Control Problems in Robotics and Automation - B. Siciliano and K.P. Valavanis (Eds) Part 9 pps
... Statistical decision theory for mobile robotics: Theory and application In: Proc 1996 IEEE Int Conf Multis Fusion Integr Intel Syst Washington, DC, pp 17-24 [26] Korona Z, Kokar M 1996 Model theory based ... up to symbolic analysis all within a theoretical framework that solves some class of problem We review recent work on major problems in sensor fusion in the areas of theory, architecture, agents, ... scale In: Proc Int Conf Comp Vis Berlin, Germany, pp 421-430 [3] Brown C 1990 Gaze controls with interactions and delays IEEE Trans Syst Man Cyber 20:518 527 [4] Castano A, Hutchinson S A 1994...
Ngày tải lên: 10/08/2014, 01:23
Control Problems in Robotics and Automation - B. Siciliano and K.P. Valavanis (Eds) Part 10 pps
... discrete event theory allows for a clear definition of interactions between the two controllers, easing the complications associated with the control interaction The DE approach facilitates interactions ... challenge to expand the robotic application areas that would benefit from a discrete event systems theory The example of assembly presented a good application area because assembly is inherently ... formal discrete event approach In particular there is significant potential for advanced control within mobile navigation The problem of mobile navigation is immense Different strategies are required...
Ngày tải lên: 10/08/2014, 01:23
Control Problems in Robotics and Automation - B. Siciliano and K.P. Valavanis (Eds) Part 11 ppsx
... methods based on Hamilton-Jacobi theory, a u t o m a t a theory, and the theory of games N e w Challenges: Intelligent Multi-agent Systems To a large extent, control theory has investigated the very ... however, are emerging in view of the advancements in computer technology, and progress in system theory and m a t h e m a t i c a l optimization One potentially beneficial improvement is to on-line ... dynamic p r o g r a m m i n g provide "closed-loop" solutions that can react to system disturbances Within the Lagrangian relaxation framework, however, dynamic programming are solved for a fixed...
Ngày tải lên: 10/08/2014, 01:23
Control Problems in Robotics and Automation - B. Siciliano and K.P. Valavanis (Eds) Part 12 pptx
... may be found in [22] C o n f l i c t Resolution The operation of the proposed ATM involves the interaction of continuous and discrete dynamics Such hybrid phenomena arise, for example, from the ... aircraft can take is to choose a strategy which resolves the conflict for any possible action, within bounds, of the other aircraft We formulate the noncooperative conflict resolution strategy ... possible actions of the other agents These actions are modeled as disturbances, assumed to lie within a known set but with their particular values unknown, and the aircraft solves the game for...
Ngày tải lên: 10/08/2014, 01:23
Control Problems in Robotics and Automation - B. Siciliano and K.P. Valavanis (Eds) Part 13 ppsx
... of the Ninth CISM-IFToMM Symposium on Theory and Practice of Robots and Manipulators 476 pp 1993 [3-540-19834-2] Vol 188: Naidu, D Subbaram Aeroassisted Orbital Transfer: Guidance and Control ... Popkov, Y.S Macrosystems Theory and its Applications: Equilibrium Models 344 pp 1995 [3-540-19955-1] Vol, 204: Takahashi, S.; Takahara, Y Logical Approach to Systems Theory 192 pp 1995 [3-540-19956-X] ... the transitions between modes correspond to switching between individual modes of the maneuver Within each mode the speed of each aircraft can be specified in terms of lower and upper bounds...
Ngày tải lên: 10/08/2014, 01:23