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Q3-01) Compare between different types of Servo-motors. Illustrate the main components of the Servo-motor and operation...
The type of transistor configuration that’s used with a DC servo motor is the A. negative-logic...
The type of transistor configuration that’s used with a DC servo motor is the A. negative-logic configuration. B. totem pole configuration. C. H-bridge configuration. D. emitter-follower configuration. An inverter can be programmed to stop an AC motor quickly by enabling A. an internal brake. B. DC voltage injection to the motor. C. a stationary AC waveform. D. a reverse pulse action. You’re looking at a tachometer feedback signal on an oscilloscope. The waveform takes a long time to go to...
54. Compare and contrast the main components of animal & plant cells. What is exclusive to...
54. Compare and contrast the main components of animal & plant cells. What is exclusive to each of these cell types? How are they different from other cellular life such as bacteria or protista?
The components of a hybrid powertrain are shown in Figure Q3(a) in a random order. M...
The components of a hybrid powertrain are shown in Figure Q3(a) in a random order. M w PE B power electronics battery RG ICE с internal combustion engine reduction gear clutch Fuel I + fuel supply (a) Figure Q3(a), Hybrid powertrain components Rearrange and connect ALL of the components shown in Figure Q3(a) into a PARALLEL hybrid electric powertrain, representing components as labelled boxes (use the abbreviations provided in Figure Q3). Connections between components are to be indicated by arrows,...
1.Just like in a transformer, the three main sources of loss in an electric motor are:...
1.Just like in a transformer, the three main sources of loss in an electric motor are: 1-Conduction losses (aka joule losses, or I²R losses) from the windings 2- Hysteresis losses in the steel 3- Eddy current losses in the steel core, as well as in any other metals in the rotating field In motor controls, a major source of research (both in industry and academia) is finding ways to reduce those losses in an existing motor just by changing the...
Elevator motors require feedback control to avoid speed differences between up- ward and downward movement and...
Elevator motors require feedback control to avoid speed differences between up- ward and downward movement and when a different number of passengers ride the elevator car. Soft acceleration and deceleration is achieved with the same feedback control system. A possible feedback control system is shown in Figure 2. E(s) Motor R(S) H(S) w(S) S+5 10 S+10 Figure 2: motor. Suggested feedback control system for controlling the speed ?(s) of an elevator The motor speed is measured with an optical encoder,...
Explain the main differences between optimal prices and AP price. Next, compare and contrast the bill-paying...
Explain the main differences between optimal prices and AP price. Next, compare and contrast the bill-paying procedures that can be employed by hospitality operators. You will also need to discuss which bill-paying procedure you believe is most important. Justify your response. Describe how the supplier selection criteria can help a small independent hotel find products that help control costs and offer different selections. Provide specific examples to support your response.
(might be 1 or 2, MCQ questions were having images given with them, which we couldn't...
(might be 1 or 2, MCQ questions were having images given with them, which we couldn't insert, so ignore those questions if you cannot answer, sorry for inconveinience created, i tried to delete them but might be couldn't done all) 3) Single phase induction motors work because: a) The oscillating magnetic field can induce starting torque in a rotor. b) The oscillating magnetic field can induce running torque in a rotor. c) A capacitance or inductance can create the phase...
i need positive thought and agree with the statement at leat 100 words 1. The first goals of motor behavior is to unders...
i need positive thought and agree with the
statement at leat 100 words
1. The first goals of motor behavior is to understand how people learn motor skills, processes feedback, improve learning or performance, and how the selection and execution of different motor skills to become more effective and efficient in different types of physical activity. A researcher studying how a infant learns how to walk or do cretin action. Second goal is to understand how motor skill are being...
DC-AC inverters have many commercial and residential applications, including uninterruptible powe...
DC-AC inverters have many commercial and residential applications, including uninterruptible power supply (UPS) units, adjustable speed drives (ASD) for AC motors, and electronic frequency changer circuits. They are also used in solar electrical systems where batteries are charged from solar panels and used as the input DC voltage source. The inverter circuit converts the DC into AC voltage of desired frequency. Most of us are also familiar with HVDC transmission systems, where high voltages are first converted from AC to...
Q 1. Imagine you compare the effectiveness of four different types of stimulant to keep you...
Q 1. Imagine you compare the effectiveness of four different
types of stimulant to keep you awake while revising statistics
using a one-way ANOVA. The null hypothesis would be that all four
treatments have the same effect on the meantime kept awake. How
would you interpret the alternative hypothesis (only focus on the
F-value [ANOVA] table here, not planned contrasts or
posthocs)?
Q2. Independent ANOVA tests that the group means are a better
fit of the data than what?
Q3....
The components of a hybrid powertrain are shown in Figure Q3(a) in a random order. M w PE B power electronics battery RG ICE с internal combustion engine reduction gear clutch Fuel I + fuel supply (a) Figure Q3(a), Hybrid powertrain components Rearrange and connect ALL of the components shown in Figure Q3(a) into a PARALLEL hybrid electric powertrain, representing components as labelled boxes (use the abbreviations provided in Figure Q3). Connections between components are to be indicated by arrows,...
Elevator motors require feedback control to avoid speed differences between up- ward and downward movement and when a different number of passengers ride the elevator car. Soft acceleration and deceleration is achieved with the same feedback control system. A possible feedback control system is shown in Figure 2. E(s) Motor R(S) H(S) w(S) S+5 10 S+10 Figure 2: motor. Suggested feedback control system for controlling the speed ?(s) of an elevator The motor speed is measured with an optical encoder,...
i need positive thought and agree with the
statement at leat 100 words
1. The first goals of motor behavior is to understand how people learn motor skills, processes feedback, improve learning or performance, and how the selection and execution of different motor skills to become more effective and efficient in different types of physical activity. A researcher studying how a infant learns how to walk or do cretin action. Second goal is to understand how motor skill are being...
DC-AC inverters have many commercial and residential applications, including uninterruptible power supply (UPS) units, adjustable speed drives (ASD) for AC motors, and electronic frequency changer circuits. They are also used in solar electrical systems where batteries are charged from solar panels and used as the input DC voltage source. The inverter circuit converts the DC into AC voltage of desired frequency. Most of us are also familiar with HVDC transmission systems, where high voltages are first converted from AC to...
Q 1. Imagine you compare the effectiveness of four different
types of stimulant to keep you awake while revising statistics
using a one-way ANOVA. The null hypothesis would be that all four
treatments have the same effect on the meantime kept awake. How
would you interpret the alternative hypothesis (only focus on the
F-value [ANOVA] table here, not planned contrasts or
posthocs)?
Q2. Independent ANOVA tests that the group means are a better
fit of the data than what?
Q3....
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