dynamics and position based control of robots on asteroid surfaces

... electrical rotor position, (e) estimated -0.01 electrical rotor position, (f) error of actual and estimated electrical -0.02 -0.03 (j) Fig Simulation results of direct torque and indirect Flux Control ... θ x and θ y are electrical rotor position of first and second reference farme, respectively In order to transformation between stationary reference frame and rotor reference frame, relations ... Mousavi, Position sensorless direct torque control of brushless DC motor based on back-EMF vector’ , ELECTROMOTION pp 128-138, 2009 [7] S B Ozturk and H A Toliyat, “Sensorless Direct Torque and Indirect...

Ngày tải lên: 03/01/2014, 19:45

... device and changes its status First a selection is done of what type of device is going to be turned on/ off, and then a task is chosen, either a simple on/ off or a programmed schedule of an on/ off ... L2CAP L2CAP or Logical Link Control and Adaptation Protocol was used in the communication between client and server due that it is one of the lower levels of communication in the Bluetooth Protocol ... application that it was pointed to; a certain address is established to each server on execution, so a selection of a certain device is needed [1] CONCLUSIONS AND FUTURE USES Some applications for...

Ngày tải lên: 14/09/2015, 10:30

... levels and 2, important details/requirements are consolidated prior to control structure synthesis, such as definition of control objectives, determination of control degrees of freedom (CDOF) and ... are assessed based on their economic merit The most promising designs are subjected to control studies, and recommendations can be made based on both the economic assessment and the control performance ... demand) and feed quality All of these are the responsibilities of a reliable and efficient control system As chemical plants strive to maximize economic profits and minimize energy consumption and...

Ngày tải lên: 13/10/2015, 15:57

... national renovation cause and to raise its economy's competitiveness on the one hand, and on other hand to affirm the consistency of the Party and State's policies to integrate the national economy ... description of language variation Register or context of situation as it is formally termed, "is the set of meanings, the configuration of semantic patterns that are typically drawn upon under ... their jobs Professional ones are aware of linguistic concepts such as Register, and they consider issues connected to these concepts in their everyday work Register Analysis is not only useful...

Ngày tải lên: 20/12/2013, 18:26

... vector control, simplicity (no PWM strategies, PI controllers, and inverse Park and inverse Clarke transformations), and a position- sensorless drive As opposed to the prior two-phase conduction direct ... TRANSACTIONS ON MECHATRONICS, VOL 16, NO 2, APRIL 2011 Overall block diagram of the position- sensorless direct torque and indirect flux control (DTIFC) of BLDC motor drive using three-phase conduction ... advantages of the classical DTC such as fast torque response compared to vector control, simplicity (no PWM strategies, PI controllers, and inverse Park and inverse Clarke transformations), and a position- sensorless...

Ngày tải lên: 03/01/2014, 19:46

... Convention for the Protection of Producers of Phonograms Against Unauthorized Duplication of their Phonograms, 1971 (Geneva Convention); B the Berne Convention for the Protection of Literary and ... (UPOV Convention (1978)), or the International Convention for the Protection of New Varieties of Plants, 1991 (UPOV Convention (1991)); and E the Convention Relating to the Distribution of Programme-Carrying ... 1971 (Berne Convention); C the Paris Convention for the Protection of Industrial Property, 1967 (Paris Convention); D the International Convention for the Protection of New Varieties of Plants,...

Ngày tải lên: 24/01/2014, 01:20

... transportation, distribution, storage and use of products in the domestic market; and F the application of quantitative restrictions and the granting of licenses The provisions of paragraph of this ... duties and charges; B methods of payment for imports and exports, and the international transfer of such payments; C rules and formalities in connection with importation and exportation, including ... Aluminum ores and concentrates Lead ores and concentrates Zinc ores and concentrates 5 5 5 5 2609 Tin ores and concentrates 2610 Chromium ores and concentrates 2611 Tungsten ores and concentrates...

Ngày tải lên: 08/03/2014, 23:33

... Nelson DE, Horton CA, See V, Johnson JR, Nelson G, Spiller DG, Kell DB & White MRH (2005) Response to comment on oscillations in NF-kappaB signaling control the dynamics of gene expression Science ... number of repeats Phosphorylation of tagged IjBa (d; A) and autophosphorylated rhIKK2 (j; B) is shown In (A), s is the control assay, and in (B), s and D represent the control repeats, and j represents ... the presence and app absence of ATP K m is the apparent dissociation constant for full length GST-IjBa substrate at saturation concentration of 60 lM ATP, and the dissociation constant for ATP...

Ngày tải lên: 16/03/2014, 11:20

... Brand MD (1990) Analysis of the control of respiration rate, phosphorylation rate, proton leak rate and protonmotive force in isolated mitochondria using the ‘top-down’ approach of metabolic control ... evaluated distribution of flux control It should be emphasized that the analysis of Vmax values only (i.e cellular content of active enzyme) to reach conclusions on the metabolic pathway control is certainly ... 1984 near-physiological conditions of pH (7.0) and temperature (37 °C) and high concentrations of glucose (> mm) and Glc6P (‡ mm) On the other hand, Nakashima et al [7] and Bustamante et al [53]...

Ngày tải lên: 30/03/2014, 11:20

... stylistic dimension (SSi) based on a configuration of generator decisions (GDj) as seen in equation The coefficients for the regression on SS1 are unstandardised coefficients, i.e the ones that are ... implemented system (§3) and report on our experimental evaluation (§4) We end with a discussion of conclusions and future directions (§5) Figure 2: Online processing generator decisions at different ... Overview of the Approach Our overall approach has two phases: (1) offline calculation of the control parameters, and (2) online application to generation In the first phase we determine a set of correlation...

Ngày tải lên: 31/03/2014, 03:20

... provides position and velocity control for d.c., d.c brushless and stepper motors The HCTL-1000 executes any one of four control algorithms selected by the user: position control, proportional velocity ... application of electronics in the control and conversion of electrical power Early power electronic devices such as thyratrons and ignitrons were crude and unreliable The introduction of selenium rectifiers ... devices on the same branch (T1 and T2; T3 and T4) must not be ON at the same time, otherwise a short circuit will occur Table 3.1 PWM control T1 Vcontrol ≥ Vtri Vcontrol < Vtri T2 T3 T4 ON OFF OFF ON...

Ngày tải lên: 18/04/2014, 12:29

... National Economic Council NPT Non Proliferation Treaty xix List of Abbreviations NSC National Security Council NTT Nippon Telegraph and Telephone OECD Organisation for Economic Co operation and ... relationship 23 Traditionalist Views and the Emergence of Revisionism The emergence of revisionist conceptions about Japan’s economy occurred against a backdrop of rising tensions between the US and ... Indeed, my conception of policy assumptions is that they can also be based on, or derive from, rationalist and materialist sources For instance, policy makers often employ rationalist concepts of materially...

Ngày tải lên: 10/06/2014, 21:37

... validity and application of these methods For instance, DFA results are difficult to interpret [9], and no definitive conclusion on the presence of long range correlations should be drawn relying only ... information induced by treadmill walking that would affect locomotor control of the gait and hence specifically alter non-linear dependencies among consecutive strides Consequently, the type of walking ... central role in the control of locomotion [30,31] These differences in visual afferences between TW and Overground Walking (OW) may induce a modification in motor control, and consequently in gait...

Ngày tải lên: 19/06/2014, 08:20

... Journal of NeuroEngineering and Rehabilitation 2009, 6:41 sorHand Speed [6], the Motion Control Hand and the Utah Arm [7], and more recently, Touch Bionics's i-LIMB [8], with active and one passive ... for perception and action Biological Cybernetics 2006, 95(6):629-644 Cipriani C, Zaccone F, Micera S, Carrozza MC: On the Shared Control of an EMG-Controlled Prosthetic Hand: Analysis of User Prosthesis ... Based on Nonstationary EMG at the Start of Movement Journal of Robotics and Mechatronics 2007, 19(4):381-387 Jiang N, Englehart K, Parker P: Extracting Simultaneous and Proportional Neural Control...

Ngày tải lên: 19/06/2014, 08:20

... integrity of the data Design of the CyberHand: CC and MCC Design of the PCA based concept: ELS and GM Study concept and design: CC, GCM and MCC Software development, acquisition and interpretation of ... hand [39] and the concept of principal motion directions to reduce the hand workspace dimension In the present work a control method based on PCA (preliminary introduced in [40] and [41]) and its ... hand used is a stand-alone version of the CyberHand prototype [3] It consists of five Matrone et al Journal of NeuroEngineering and Rehabilitation 2010, 7:16 http://www.jneuroengrehab.com/content/7/1/16...

Ngày tải lên: 19/06/2014, 08:20

... tendons appear to contain subpopulations of cells; one subpopulation with apparently normal metabolic activity and a second subpopulation of cells with low levels of mitochondrial enzymes and ... no non – financial competing interests Authors' contributions All authors have significantly contributed in the conception and design, or acquisition of data, or analysis and interpretation of ... absorbances of Alamar blue and methylene Comparison of absorbances of Alamar blue and methylene blue obtained after culture of rat tail tendon derived cells at varying concentrations for and days...

Ngày tải lên: 20/06/2014, 01:20

... (t) and LG (t −1) are the global illuminations of the current and of the previous frames, respectively Although they are functions of (x, y) and not only of (t), we omit it in the notation of ... is chosen among Hh , Hv , and H p according to the values of Sv (x, y) and Sh (x, y), and ⊗ denotes convolution The mask sizes of the filters Hh , Hv , and H p are × N1 , N1 × 1, and N1 × N1 , ... simulation of the hardware implementation described in Section Figure shows a comparison between the histogram equalization and the hardware implementation of our algorithm The quality of the...

Ngày tải lên: 22/06/2014, 19:20

... motion of Tl atoms from the motion of Ba atoms from the motion of Cu(1) atoms from the motion O(1) atoms along c-axis from the motion O(2) atoms along b-axis from the motion O(3) atoms along ... available Raman and infrared frequencies The calculation reveals not only the phonon frequency in the center of the Brillouin zone but also supports the strong electron-phonon interaction in the high-temperature ... investigations The vibration frequencies and the potential energy distribution (PED) of the optically active modes are also reported THEORETICAL CONSIDERATION 2.1 Latice Dynamics of Tl2Ba2Cu1O6 Based on...

Ngày tải lên: 07/08/2014, 14:20

... region region region region region region region region stand stand stand stand stand stand stand stand stand stand stand stand stand region region region stand stand stand stand stand stand ... region region region region region region region region region region region region region region sub-region sub-region sub-region stand stand stand region region region region region region region ... states stand stand region region region region country European region region region region region region region region region region region region region region region region region region region...

Ngày tải lên: 08/08/2014, 01:22

... Member of the Hong Kong Pharmacology Society, International Conference on Ulcer Research, and the Gastrointestinal Pharmacology Section of International Union of Pharmacology He serves on the ... founding Editor and Editor-in-Chief of Biological Signals and Biological Signals and Receptors, Adjunct Professor of University of Toronto and is Honorary or Visiting Professor of over ten universities ... natural herbs and yeast that is effective to reduce the growth of gastric tumors in nude mice The anti-tumorigenic action of CKBM is perhaps through the induction of apoptosis and inhibition of proliferation...

Ngày tải lên: 08/08/2014, 18:20