barcode reader code in asp.net A four-pole two-phase brushless dc motor is driven in Software

Maker Denso QR Bar Code in Software A four-pole two-phase brushless dc motor is driven

182 A four-pole two-phase brushless dc motor is driven
QR Code Decoder In None
Using Barcode Control SDK for Software Control to generate, create, read, scan barcode image in Software applications.
Paint Quick Response Code In None
Using Barcode encoder for Software Control to generate, create QR image in Software applications.
by a mechanical source at n = 3600 rev/min The
Decode Denso QR Bar Code In None
Using Barcode decoder for Software Control to read, scan read, scan image in Software applications.
Paint QR Code ISO/IEC18004 In C#.NET
Using Barcode maker for VS .NET Control to generate, create Quick Response Code image in VS .NET applications.
18
QR Code ISO/IEC18004 Printer In .NET Framework
Using Barcode creator for ASP.NET Control to generate, create QR Code image in ASP.NET applications.
Painting Quick Response Code In .NET Framework
Using Barcode generator for VS .NET Control to generate, create QR Code ISO/IEC18004 image in VS .NET applications.
Special-Purpose Electric Machines
QR Code JIS X 0510 Drawer In VB.NET
Using Barcode maker for Visual Studio .NET Control to generate, create QR Code image in Visual Studio .NET applications.
Encode EAN-13 Supplement 5 In None
Using Barcode drawer for Software Control to generate, create EAN 13 image in Software applications.
183 With reference to Example 182, we wish to
Printing Code 39 Full ASCII In None
Using Barcode drawer for Software Control to generate, create Code 3 of 9 image in Software applications.
Make EAN / UCC - 13 In None
Using Barcode creator for Software Control to generate, create EAN / UCC - 13 image in Software applications.
shorten the trapezoidal speed pro le cycle time by accelerating the motor to a maximum speed of 1,800 rev/min If we still allow 1 s for acceleration and deceleration, how long will the cycle time be
Print Code 128 In None
Using Barcode creation for Software Control to generate, create USS Code 128 image in Software applications.
Drawing Barcode In None
Using Barcode printer for Software Control to generate, create barcode image in Software applications.
phase coils are excited in sequence by means of a logic circuit Find a The logic schedule for full-stepping of this motor b The displacement angle of the full step
Leitcode Encoder In None
Using Barcode encoder for Software Control to generate, create Leitcode image in Software applications.
EAN128 Creation In None
Using Barcode generation for Office Word Control to generate, create UCC-128 image in Microsoft Word applications.
184 With reference to the triangular speed pro le of
Draw ECC200 In Java
Using Barcode generation for Java Control to generate, create DataMatrix image in Java applications.
Data Matrix Printer In Visual Basic .NET
Using Barcode generation for .NET framework Control to generate, create DataMatrix image in .NET framework applications.
Figure P184, determine the trapezoidal speed pro le required to move a load 05 m in 3 s
Create GS1-128 In C#.NET
Using Barcode generator for VS .NET Control to generate, create USS-128 image in VS .NET applications.
Barcode Creator In Java
Using Barcode creator for Java Control to generate, create barcode image in Java applications.
Triangular Speed Profile Speed (rev/min) Acceleration rate (aacc) Max speed (v) Deceleration rate (adec) Area = distance (d)
UPCA Decoder In Java
Using Barcode recognizer for Java Control to read, scan read, scan image in Java applications.
Code 39 Extended Maker In Java
Using Barcode generation for Java Control to generate, create Code 39 Full ASCII image in Java applications.
A Phase 1 S N Phase 3 C D
Phase 2
Phase 4
Figure P1811
T1 T2 Time (s)
1812 A PM stepper motor is designed to provide a
Figure P184
Section 2: Step Motors 185 With reference to Example 184, design a logic
circuit that uses the logic design principles of s 13 and 14 to achieve the step sequence given in Table 184 [Hint: use a counter and logic gates]
full-step angle of 15 Find the number of stator and rotor poles 1813 A bridge driver scheme for a two-phase stepping motor is shown in Figure P1813 Find the excitation sequences of the bridge operation ( ll in the blanks of the table)
186 A PM stepper motor has six poles and a bipolar
supply (ie, the current into each coil pair can be either positive or negative) Figure 189 depicts a four-pole stepper motor as an example; the motor described in this problem has two additional poles The spacing between the poles is uniform Determine the size of the smallest achievable step in degrees
S1 VB S2
S3 Phase 1
S7 Phase 2
187 Derive the dynamic equation for a stepping motor
coupled to a load The motor moment of inertia is Jm , the load moment of inertia is JL , the viscous damping coef cient is D, and motor friction torque is Tf
Clock state S1 S2 S3 S4 S5 S6 S7 S8 Reset 1 2 3 4 5 6 7 8
188 Sketch the rotor-stator con guration of a hybrid
stepper motor capable of 18 steps [Hint: The rotor will have ve teeth] the stepping motor binary sequence of Check Your Understanding Exercise 187
189 Use a binary counter and logic gates to implement 1810 A two-phase permanent-magnet stepper motor
has 50 rotor teeth When the rotor is driven by an external mechanical source at = 100 rad/s, the measured open circuit phase voltage is 25 V, peak-to-peak Calculate If ia = 1A and ib = 0, express the developed torque Assume the winding resistance is 01
Figure P1813
1814 A permanent-magnet stepper motor with a 15
step angle is used to directly drive a 0100 in lead screw Determine:
1811 The schematic diagram of a four-phase, two-pole
PM stepper motor is shown in Figure P1811 The
Part III
Electromechanics
a The resolution of the stepper motor in steps/revolution, b The distance the lead screw travels (in inches) for each 15 step of the stepper motor, c The number of full 15 steps required to move the lead screw and the stepper motor shaft through 175 revolutions, and d The shaft speed (in rev/min) when the stepping frequency is 220 pps
a The stator current b The mechanical power c The rotor speed
1821 A 1 -hp, four-pole, 110-V, 60-Hz single-phase 4
induction motor has the following data: RS = 186 RR = 356 Xm = 535 XS = 256 XR = 256 s = 005
Section 3: Single-Phase AC Motors 1815 Determine whether the following motors are
integral- or fractional-horse power motors: a 3 hp, 900 rev/min 4 b c d 1 1 hp, 3,600 rev/min 2 3 hp, 1,800 rev/min 4 1 1 2 hp, 6,000 rev/min
Find the mechanical power output
1822 A one-phase, 115-V, 60-Hz, four-pole induction
motor has the following parameters: RS = 05 RR = 025 Xm = 35 Find the input current and developed torque when the motor speed is 1,730 rev/min XS = 04 XR = 04
1816 The spatial uctuation of the stator mmf F1 is
expressed as F1 = F1(peak) cos where is the electrical angle measured from the stator coil axis and F1(peak) is the instantaneous value of the mmf wave at the coil axis and is proportional to the instantaneous stator current If the stator current is a cosine function of time, the instantaneous value of the spatial peak of the pulsating mmf wave is F1(peak) = F1(max) cos t where F1(max) is the peak value corresponding to maximum instantaneous current Derive the expression for F1 , and verify that for a single-phase winding, both forward and backward components are present 1817 A 200-V, 60-Hz, 10-hp single-phase induction motor operates at an ef ciency of 086 and a power factor of 09 What capacitor should be placed in parallel with the motor so that the feeder supplying the motor will operate at unity power factor 1818 A 230-V, 50-Hz, two-pole single-phase induction motor is designed to run at 3 percent slip, Find the slip in the opposite direction of rotation What is the speed of the motor in the normal direction of rotation 1819 Determine the amount of time (in seconds) it will take for a stepper motor with a 15 step angle, operating in one-phase excitation mode, to rotate through 28 rev when the pulse rate is 180 pps Note: t = / 1820 A 1 -hp, 110-V, 60-Hz, four-pole capacitor-start 4 motor has the following parameters: RS = 202 RR = 412 Xm = 668 Find XS = 28 XR = 212 s = 005
Copyright © OnBarcode.com . All rights reserved.