ed electrical engineering dictionary r z crc 2000 191s pdf
Electrical Engineering Dictionary
Ngày tải lên :
28/10/2013, 08:15
... arrester discharge current in an arrester during a surge the current arrester discharge voltage in an arrester during a surge the voltage ART network theory network See adaptive resonance artifact ... addresses belong to a particular memory module c 2000 by CRC Press LLC address error an exception (error interrupt) caused by a program’s attempt to access unaligned words or long words on a processor ... standing-wave resonator in which either the reflectivities or the curvatures of the primary mirrors are unequal asymmetrical silicon controlled rectifier (ASCR) (1) an inverter grade SCR fabricated to...
- 752
- 478
- 2
Từ điển thuật ngữ “Frontmatter” Electrical Engineering Dictionary
Ngày tải lên :
10/11/2013, 15:31
... addresses belong to a particular memory module c 2000 by CRC Press LLC address error an exception (error interrupt) caused by a program’s attempt to access unaligned words or long words on a processor ... This is also referred to as “hard starting” because it causes high starting currents Larger motors require reduced voltage or “soft starting.” ACRR See adjacent channel reuse ratio ACSR aluminum ... University of Central Florida Editor: Computer engineering (processors) © 2000 CRC Press LLC Foreword How was the dictionary constructed? As I knew this project would require a divide-and-conquer...
- 774
- 568
- 1
Tài liệu Electrical Engineering Dictionary pptx
Ngày tải lên :
17/12/2013, 13:15
... arrester discharge current in an arrester during a surge the current arrester discharge voltage in an arrester during a surge the voltage ART network theory network See adaptive resonance artifact ... addresses belong to a particular memory module c 2000 by CRC Press LLC address error an exception (error interrupt) caused by a program’s attempt to access unaligned words or long words on a processor ... standing-wave resonator in which either the reflectivities or the curvatures of the primary mirrors are unequal asymmetrical silicon controlled rectifier (ASCR) (1) an inverter grade SCR fabricated to...
- 751
- 362
- 1
Tài liệu “Book/Definitions” - Electrical Engineering Dictionary ppt
Ngày tải lên :
23/12/2013, 06:18
... arrester discharge current in an arrester during a surge the current arrester discharge voltage in an arrester during a surge the voltage ART network theory network See adaptive resonance artifact ... addresses belong to a particular memory module c 2000 by CRC Press LLC address error an exception (error interrupt) caused by a program’s attempt to access unaligned words or long words on a processor ... standing-wave resonator in which either the reflectivities or the curvatures of the primary mirrors are unequal asymmetrical silicon controlled rectifier (ASCR) (1) an inverter grade SCR fabricated to...
- 751
- 540
- 2
Comprehensive Dictionary of Electrical Engineering pot
Ngày tải lên :
23/03/2014, 06:20
... arrester discharge current in an arrester during a surge the current arrester discharge voltage in an arrester during a surge the voltage ART network theory network See adaptive resonance artifact ... addresses belong to a particular memory module c 2000 by CRC Press LLC address error an exception (error interrupt) caused by a program’s attempt to access unaligned words or long words on a processor ... standing-wave resonator in which either the reflectivities or the curvatures of the primary mirrors are unequal asymmetrical silicon controlled rectifier (ASCR) (1) an inverter grade SCR fabricated to...
- 380
- 365
- 0
Electrical Engineering Mechanical Systems Design Handbook Dorf CRC Press 2002819s_3 pdf
Ngày tải lên :
21/06/2014, 21:20
... Wear 6.5 Other Process Phenomena Burr Formation • Chip Formation • Cutting Temperature Generation Richard J Furness Ford Motor Company Forced Vibrations and Regenerative Chatter 6.6 Future Direction ... sheared off, some material from the chip will be left on the workpiece The material is known as a tear burr The reader is referred to Gillespie28 for greater detail concerning burr models Burr ... (1) by reducing the tracking error of individual axes, and (2) by reducing contour error which is defined as the error between the actual and desired tool path As in force-regulation problems,...
- 41
- 543
- 0
Electrical Engineering Mechanical Systems Design Handbook Dorf CRC Press 2002819s_6 doc
Ngày tải lên :
21/06/2014, 21:20
... parameter optimization (MOPO) or nonlinear quadratic regulator (NQR) approaches (described below) not restrict the control design to oversimpli ed models However, simplification (reduced-order ... observed The responses of nonlinear semi-active damper and passive cases are compared 13.1.3 Extended Ground-Hook for Road-Tire Forces The road-tire forces are considered next as another performance ... etc.12,33,34 Therefore, in practice, both absorber damping and stiffness are concurrently adjusted to reduce the required energy © 2002 by CRC Press LLC 8596Ch12Frame Page 208 Friday, November 9, 2001...
- 41
- 583
- 0
Electrical Engineering Mechanical Systems Design Handbook Dorf CRC Press 2002819s_8 pot
Ngày tải lên :
21/06/2014, 21:20
... battery or a regulated switching power circuit, the vibration energy removed from the structure may thus be recovered in a usable electrical form The different stiffness exhibited at the open-circuit ... further utilize piezoelectric materials for structural control by integrating them with external electrical circuits to form piezoelectric networks Such networks can be utilized for passive, semi-active, ... controllers have been proposed for use in vibration control applications In contrast to using the discretized model for the control design, boundary controllers are derived from a PDE-based model...
- 41
- 1.2K
- 0
Electrical Engineering Mechanical Systems Design Handbook Dorf CRC Press 2002819s_9 docx
Ngày tải lên :
21/06/2014, 21:20
... external force is carried by the bottom string, whereas for larger values of δ, the vertical side strings start to share the external force As δ is further © 2002 by CRC Press LLC 8596Ch17Frame ... all strings exert force The slack case describes the structure when string exerts zero force, due to the deformation of the structure Therefore, the force in string must be computed to determine ... planar tensegrity under compressive loads The nonslack case describes the structure when all strings exert force The slack case describes the structure when string and string exert zero force,...
- 41
- 470
- 0
Electrical Engineering Mechanical Systems Design Handbook Dorf CRC Press 2002819s_10 pdf
Ngày tải lên :
21/06/2014, 21:20
... r2 2 − r3 2 ~2 r = r2 r1 r3 r1 r1 r2 r − r r 3r2 2 r1 r3 r2 r3 − r1 2 − r2 2 The matrix elements r1 , r2 , r3 , q1, q2, q3, etc are to be interpreted as the measure numbers of the corresponding ... network of compression members, will be called a Class tensegrity structure The important lessons learned from the tensegrity structure of the spider fiber are that Structural members never reverse ... notation r denotes the skew symmetric matrix formed from the elements of r: 0 r = r3 − r2 ~ r1 r2 − r1 , r = r2 r3 0 − r3 r1 and the square of this matrix is − r2 2...
- 41
- 442
- 0
Electrical Engineering Mechanical Systems Design Handbook Dorf CRC Press 2002819s_13 docx
Ngày tải lên :
21/06/2014, 21:20
... (20.24) r For the MC position vector, rc j, the recursive expression holds: r r r r rc j = rc j −1 − rj −1, j + rj′ j , (20.25) from which the first derivative gives MC velocities r r r r r r r ˙ ... k × rj′ j , k = 1,K, j − , k k k r r r j r j ξ j = e j s j + λ j × rj′, j (20.42) r r r r r r r r r r r r r r ˙ δ j = δ j −1 − γ j −1 × rj −1, j + γ j × rj′, j − ω j −1 × (ω j −1 × rj −1, ... calculated for nonperturbed mode by means of the direct dynamic procedure can be recalculated by simulating the perturbed mode (inverse dynamic procedure) In this way, it is very easy to prescribe...
- 41
- 471
- 0
Electrical Engineering Mechanical Systems Design Handbook Dorf CRC Press 2002819s_14 pptx
Ngày tải lên :
21/06/2014, 21:20
... articulated robot is very large The operator analyzes the tasks and obtains the performances required for them, which are expressed as a set of rules; these rules are input by the operator Example ... design parameters are called “inner mechanism:” Motor allocations (where the motors are to be attached) Types of transmission mechanisms Motors Reduction gears and their reduction ratio Arm cross-sectional ... motors are used for automated guided vehicles, and for different devices in manufacturing automation Stepper motors are often used in low-cost robots Their main characteristic is discretized motion...
- 41
- 463
- 0
Electrical Engineering Mechanical Systems Design Handbook Dorf CRC Press 2002819s_15 pot
Ngày tải lên :
21/06/2014, 21:20
... position/force control or admittance control, whereby both desired interaction force and robot position are controlled A desired force trajectory is commanded and force measurements are required to realize ... algorithm referred to as generalized impedance control by introducing a higher order impedance relation between position and force errors, which includes force derivatives In other words, impedance ... control Similarly, to the previous system (Figure 23.11), the model error Equation (23.25) is further relayed to the internal control part in order to regulate this error to zero as time increases...
- 41
- 395
- 0
Electrical Engineering Mechanical Systems Design Handbook Dorf CRC Press 2002819s_16 pptx
Ngày tải lên :
21/06/2014, 21:20
... a network during each pattern presentation by a gradient descent with the objective of reducing mean-square error, averaged over training patterns The error-correction rules for networks often ... Spong12 proposed an approach referred to as hybrid impedance control algorithm to control contact forces The kernel part of the algorithm is Raibert and Craig’s hybrid position/force control scheme, ... algorithms can be distinguished: Error-correction rules, alter the weights of a network to correct the error in the output response to the present input pattern Gradient-based rules, alter the...
- 41
- 410
- 0
Electrical Engineering Mechanical Systems Design Handbook Dorf CRC Press 2002819s_17 docx
Ngày tải lên :
21/06/2014, 21:20
... according to specialized learning procedures The most appropriate learning architectures for robot control are feedback-error learning architecture and adaptive learning architecture The feedback-error ... controller is a neural network appropriate for supervised learning prior to training Robot states are measured by specialized sensors and are sent to both the teacher and the trainable controller ... Specialized learning architecture FIGURE 24.4 Generalized learning architecture FIGURE 24.5 Feedback-error learning architecture © 2002 by CRC Press LLC 8596Ch24Frame Page 652 Tuesday, November 6,...
- 41
- 468
- 0
Electrical Engineering Mechanical Systems Design Handbook Dorf CRC Press 2002819s_18 doc
Ngày tải lên :
21/06/2014, 21:20
... must be transformed from naive to skilled operators through education and training Carrying out a task requires that the operator follow a clear procedure or protocol that has to be worked out ... software spring by which the operator has a better sensation of command, and provides a zero referenced restoring force Rate mode is useful for tasks requiring large translations Position, force-reflecting, ... Four camera views were calibrated for this experiment, entering 15 to 20 correspondence points in total from three to four arm poses for each view The calibration and object localization errors...
- 41
- 428
- 0
Electrical Engineering Mechanical Systems Design Handbook Dorf CRC Press 2002819s_19 pot
Ngày tải lên :
21/06/2014, 21:20
... z = Az x z + f z P* + bz N (uz ) z ( (27.56) ) { T ˆ* ˆ* where x z ∈ RNz is the state vector; x z = x (z2 m−n+1)T , , x mT Az ∈ RNz × Nz , Az = diag Ak*} is z z k k f z = diag f z , bz ∈ RNz ... axis Z corresponds to the vertical axis (previously denoted by V) passing through ZMP The axesrX, Y, and Zr constitute the absolute orthogonal coordinate r r r r frame Furthermore, the relations ... are their orders AN ∈ R c N N c k ∈ R1 are the system matrices, force distribution vectors, and generalized forces of the unpowered Pc and powered DOFs, respectively Al and f l are defined by Equation...
- 41
- 371
- 0
Electrical Engineering Mechanical Systems Design Handbook Dorf CRC Press 2002819s_20 pptx
Ngày tải lên :
21/06/2014, 21:20
... and temporarily freeze the robot © 2002 by CRC Press LLC FIGURE 28.27 Centralized and decentralized data storage and retrieval for car-type identification and robot program selection (From Leondes, ... controlled, reprogrammable, multipurpose manipulator programmable in three or more axes (in three or more degrees of freedom, DOF), which may be either fixed in place or mobile for use in industrial ... combined Numerous component manufacturers offer complete programs of different sized axes, drives, computer controls cable carriers, grippers, etc 28.2.2.2 Cylindrical and Spherical Robots Cylindrical...
- 40
- 330
- 0
Comprehensive Dictionary of Electrical Engineering, Second Edition
Ngày tải lên :
11/04/2015, 11:26
... arrester discharge current in an arrester during a surge the current arrester discharge voltage in an arrester during a surge the voltage ART network theory network See adaptive resonance artifact ... addresses belong to a particular memory module c 2000 by CRC Press LLC address error an exception (error interrupt) caused by a program’s attempt to access unaligned words or long words on a processor ... standing-wave resonator in which either the reflectivities or the curvatures of the primary mirrors are unequal asymmetrical silicon controlled rectifier (ASCR) (1) an inverter grade SCR fabricated to...
- 751
- 188
- 0
Environmental engineering Dictionary and Directory
Ngày tải lên :
08/10/2012, 14:44
... process by USFilter/Zimpro Airmizer Air diffuser by USFilter/Diffused Air Products Group Airoflo™ Rotor aerator by S&N Airoflo, Inc Air-O-Lator® Floating aerator by Air-O-Lator Corp AiroPump Air ... used to introduce air or oxygen into water or wastewater Aerators, Inc Former name of USFilter/Aerator Products Aercor Aeration and packing products by Sanitaire Corp Aer-Degritter Aerated grit ... Membrane care services by USFilter/Rockford Arrowhead® Water treatment product line by USFilter/Rockford arroyo A stream or watercourse that is often dry ARS™ Air regulated siphon by John Meunier,...
- 337
- 580
- 2