... the lexical head probabilities p(a|r) and one (partial) model for each selectional probability distribution p(r|c, f, i), cf Section 2.1 2.4 Combining EM and MDL The training procedure that combines ... iteration This expansion step allows the selection models to become more and more detailed, as the training proceeds and the verb clusters (and their selectional restrictions) become increasingly ... probability is the transition probability from r to r ′ in the respective WordNet-HMM (6) For each terminal node r in the selectional preference model, we add a rule Rc,f,i,r → Rr whose probability...
Ngày tải lên: 08/03/2014, 01:20
... choosing Selection Add Layer to Selection or Selection Subtract Layer From Selection Figure 9-23: Convert a selection layer to a selection and see the marching ants Figure 9-24: You can convert selection ... Chapter 9: Working with Selections and Selection Layers You can also take any visible selection layers you have and add them to or subtract them from an existing image layer selection (See Figure ... a selection layer that you’ll later convert to an image layer selection Converting selection layers to image selections Converting an area you block off in a selection layer into an actual selection...
Ngày tải lên: 27/08/2012, 14:31
Tài liệu CLUTCHES AND BRAKES Design and Selection
... Understanding Gear Noise, J Derek Smith Chains for Power Transmission and Material Handling: Design and Applications Handbook, American Chain Association Corrosion and Corrosion Protection Handbook, ... Pressure Sensors: Selection and Application, Duane Tandeske 73 Zinc Handbook: Properties, Processing, and Use in Design, Frank Porter 74 Thermal Fatigue of Metals, Andrzej Weronski and Tadeusz Hejwowski ... Revised and Expanded, Earl Logan, Jr 86 Vibrations of Shells and Plates: Second Edition, Revised and Expanded, Werner Soedel 87 Steam Plant Calculations Manual: Second Edition, Revised and Expanded,...
Ngày tải lên: 20/10/2012, 09:58
Improvement of recruitment and selection process in HKT Consultant Jsc
... choosing the best pool of candidates quickly and cost efficiently But successful recruitment and selection can be costly and time-consuming Still, recruitment and selection is crucial for a business, ... current recruitment and selection process of HKT Then, a critical analysis of the existing recruitment and selection process is conducted to determine which recruitment and selection practices ... recruitment and selection process in terms of theoretical point of view and the practical use The study will allow learning about the recruitment and selection issues, importance, modern techniques and...
Ngày tải lên: 24/07/2013, 15:36
Application and selection
... initiative Other activities, such as hobbies, music, drama, and sport, indicate a willingness and ability to acquire intellectual and practical skills and to participate, characteristics useful in life ... orchestral, and military band, on trombone, fiddle, tin whistle, mandolin, and bodhran …” If Irish music be the food of medicine, play on But that was not all, for he continued: “I also enjoy boxing and ... medicine and then those subjects needed for university matriculation, usually English language and mathematics All attempts at examinations should be entered and clearly separated The date and number...
Ngày tải lên: 01/11/2013, 09:20
Clutches and brakes design and selection P1
... processes through overhead cranes, hoists, and industrial brakes and clutches and in farm and garden tractors Some or all of the following materials, and others, that are now necessary to produce ... friction and wear of Polytetrafluoroethylene-based composites Wear 79: 221–234 Anderson, J C (1986) The wear and friction of commercial polymers and composites In: Friedrich, K., ed Friction and Wear ... manufacture of brake linings and clutch facings for both wet (oil bath) and dry clutch applications In dry brake and clutch applications, a flexible, nonwoven form can withstand dynamic pressure up...
Ngày tải lên: 09/11/2013, 03:15
Tài liệu Clutches and brakes design and selection P2 doc
... pressure between the drum and the lining, and w represents the width of the band Upon simplifying equations (1-1) and (1-2) and remembering that as the element of band length approaches zero, ... flexible enough for use in a band brake and has the limiting temperature and pressure capability Thus, use A = 0.4 and equation (1-10) to find that at the maximum radius the band width should be given ... the radius r of the drum and the width w of the band This equation points out a disadvantage of a band brake: The lining wear is greater at the high-pressure end of the band Because of this the...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P3 docx
... brake life, heat dissipation, fading, and braking torque capability III DESIGN OF DUAL-ANCHOR TWIN-SHOE DRUM BRAKES For both external and internal shoes and for either direction of rotation a ... criterion, which is that self-locking of both internal and external drum brakes may be avoided if Mf À1 V Vþ1 ð3-3Þ Mp Selection of shoe and drum angles and dimensions in accordance with this criterion ... Chapter and that at the upper limit, 1=A ¼ Mf =ðAMp Þ Consequently, the ordinates on the right-hand sides of the graphs in Figures and are the reciprocals of the ordinates on the left-hand sides...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P4 pdf
... Upon substituting for u1 and u2 in equation (1-8) and recalling equations (1-6) and (1-7) we find that T 4A sinðf0 =2Þ R ¼ ¼A Fs r f0 þ sin f0 r ð1-11Þ where the right-hand side has already been ... symmetrically pivoted and if equation (1-7) holds, the applied torque is given by T ¼ ARFs ð1-12Þ II BRAKING TORQUE AND MOMENTS FOR SYMMETRICALLY SUPPORTED INTERNAL SHOES Pressure p and braking torque ... © 2004 Marcel Dekker, Inc ð2-12Þ Linearly Acting External and Internal Drum Brakes 77 Substitution for Mp and Mf from equations (2-7) and (2-11) into equation (2-12) yields h pmax r f0 Rrw ðf0...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P5 docx
... Elimination of k and y from equations (1-1) and (1-2) yields p ¼ pmax rj r ð1-3Þ With the lining pressure known, we may now calculate the required axial force from Z F ¼ p da ð1-4Þ A and the resulting ... supported entirely by the piston face and are therefore cheaper to produce because no additional supporting Copyright © 2004 Marcel Dekker, Inc Dry and Wet Disk Brakes and Clutches 89 FIGURE Continued ... pad and caliper combination which provides the largest heat sink, shown in Figure and the shortest life for that with the smallest heat sink, shown in Figure 10 III ANNULAR CONTACT DISK BRAKES AND...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P6 ppt
... designed and tested for a range of vehicle sizes, from tractors and trailers to subcompact automobiles [1] Both the large and small sizes used a folded cone design, as illustrated in Figures and 6, ... formulas for the torque capability and the required activation force is quite similar to that used for simple cone brakes and clutches Since the brakes illustrated in Figures and use a sector pad, ... Figures and It is Figure that is directly useful in the design of cone brakes and clutches, because we find from equation (1-19) that the regions to the left of the solid curve (regions and 4)...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P7 pdf
... configuration of the OM and the coil housing, as shown in Figures and Both the shear and tensile stresses in these links resist relative motion between the IM and the OM and so transmit torque ... vector P and magnetization vector M are defined by P ¼ D À eo E and B ¼ Ao ðH þ M þ Mo Þ ð1-4Þ because both P and M vanish in free space The last two of equations (1-2) are replaced by D ¼ eE and H¼ ... density (coulombs/meter3) and constants qo and Ao denote the electric and magnetic permeabilities of free space, respectively In the MKS system, the units of qo are farads/meter and the units of Ao...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P8 ppt
... moment of inertia Ii, n weights Wi and their elevation changes, and including nonzero values of velocity vi, and angular rotation Ni III BRAKING AND CLUTCHING TIME AND TORQUE Work done by a brake ... clutch and brake selection when dynamic torque and brake heating curves are available Both clutch and brake analyses will display some of the calculation involved when the speeds of the input and ... coefficient of 0.3, and set the width for the band, the linearly acting drum brake, and the externally pivoted brake to cm Limit the maximum lining pressure for the band brake and for the externally...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P9 ppt
... detents and 40j between detents and 130j between detents and The second instance occurs when balls and engage detents and 5, where ball centers and are separated by 75j and detent centers and are ... between detents and 30j 130j between detents and between detents and and that the angular separation between detent centers and is given by 25j between detents and 30j between detents and 35j between ... Centrifugal, One-Way, and Detent Clutches 223 separated by 35j and and are separated by 40j for a combined separation of 75j The third and last instance is when balls and engage detents and Placing ball-detent...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P10 pdf
... the left- and right-hand cones rotate in the same direction If the right- and left-hand cones drive the rightand left-hand wheels of a lawnmower, the mower moves forward If the righthand cone ... be moved to and from the driven machine in order to apply and relieve the belt tension and thereby give clutching (applying belt tension) and declutching (relieving belt tension) capability These ... Nd1 tan2 f rn1 ln1 and Nn2 ¼ Nd rd2 ld ¼ Nd tan2 f rn2 ln2 ð3-1Þ where rd1 and rnl are the radii of the driver and driven cones, respectively, at point 1, rd and rn2 are driver and driven radii...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P11 ppt
... maximum between a and b is determined by the design, position, and dimensions of the inlet and outlet throttles of the system The latter portion of the performance curve between points b and c is determined ... fluids whose *The Handbook of Chemistry and Physics (CDC Press) lists three forms of carbonyl iron FE(CO)4, FE(CO)5, and FE(CO)9 Copyright © 2004 Marcel Dekker, Inc Fluid Clutches and Brakes 267 ... valve operations, crane trolleys, reversing carriages, and winding and unwinding equipment Copyright © 2004 Marcel Dekker, Inc Fluid Clutches and Brakes 261 FIGURE Output power as a function of...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P12 ppt
... between values E1 and E2, in which E1 may be 10% and E2 may be 20%, for example This may be achieved by returning to equation (1-4) and solving for v1 and then replacing v1 and v0 with the associated ... estimate the vehicle’s motion, and for selecting the appropriate commands to be sent to each wheel or set of wheels both to stop the vehicle and to maintain stability Figure 1(a) portrays the ... upon accelerator data, optimum slip limits N1 and N2, angular acceleration a with limits a1 and a2, and brake pressure p, all as a function of time t and the ECU holds the brake pressure constant...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Clutches and brakes design and selection P13 pdf
... sprag and certain forces between the disk and the sprag These combinations of sprag deflections and disk forces defined a region of instability which was interpreted to signify large sprag and disk ... in Figures and The alternating black and white line boundaries represent contour lines, or elevation lines, on the caliper and disk and consequently measure the deflection of the disk and caliper ... Williams (1935) Of Manufacturers and Operators and Some Preliminary Experiments, 1938 Research Report 8500B The Institution of Automobile Engineers, Research and Standardization Committee [British]...
Ngày tải lên: 25/12/2013, 23:17