Hybrid Book - Chapter 8 - Quiz, Trivia & Questions

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1/9 Questions

A resolver creates a ___ waveform.
- Square
- Sine
- Trapezoidal
- Six-step

About This Quiz

This quiz in Chapter 8 of the Hybrid Book focuses on sensors used in hybrid vehicles, such as the Toyota Prius and Ford Escape Hybrid. It assesses knowledge on different sensor types, including encoders, resolvers, and magnetoresistive proximity sensors, emphasizing their applications and functions.

2.

An induction/PM machine uses a ___-sensing or rpm-sensing device to provide an input signal to the controller, which uses the signal to calculate the proper slip percentage or phase advance/retard to control the machine.
- Speed
- Current
- Voltage
- Throttle
Correct Answer

A. Speed

Explanation

An induction/PM machine requires a speed-sensing or rpm-sensing device to provide an input signal to the controller. This signal is used by the controller to calculate the appropriate slip percentage or phase advance/retard needed to control the machine effectively. By monitoring the speed of the machine, the controller can adjust the slip or phase angle to maintain optimal performance and efficiency.

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3.

With a resolver, the ___ generates a pulsed AC sine-wave output that is used as the reference signal for measuring the sine and cosine outputs.
- R/D converter
- Oscillator
- Reluctor lobe
- Encoder
Correct Answer

A. Oscillator

Explanation

An oscillator is a device that generates an AC sine-wave output. In this context, the oscillator is used to generate a pulsed AC sine-wave output, which serves as the reference signal for measuring the sine and cosine outputs. The resolver, which is not mentioned in the question, relies on this reference signal to accurately measure the sine and cosine outputs. Therefore, an oscillator is necessary in this scenario.

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4.

The Toyota Prius uses a(n) ___ sensor.
- Encoder
- Resolver
- Magnetoresistive proximity
- Hall-effect
Correct Answer

A. Resolver

Explanation

The Toyota Prius uses a resolver sensor. A resolver sensor is a type of position sensor that converts mechanical motion into an electrical signal. It is commonly used in automotive applications to determine the position of various components, such as the throttle or steering wheel. In the case of the Toyota Prius, the resolver sensor is likely used to accurately measure the position of the hybrid powertrain components, such as the electric motor or generator. This information is crucial for the vehicle's control system to optimize performance and efficiency.

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5.

The two types of sensors used to sense motor speed are ___ sensors.
- Reflective and encoder
- Hall and magnetosense
- Proximity and current
- Encoder and resolver
Correct Answer

A. Encoder and resolver

Explanation

The correct answer is encoder and resolver. Encoder sensors are commonly used to measure motor speed by converting the rotational motion into electrical signals. They provide accurate speed and position feedback. Resolver sensors are also used to sense motor speed by converting the mechanical motion into electrical signals. They are particularly useful in applications where high accuracy and reliability are required. Both encoder and resolver sensors play a crucial role in sensing motor speed.

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6.

An induction/PM controller needs at least ___ internal power-inverter current sensor(s) to safetly measure 3-phase current.
- One
- Two
- Three
- Six
Correct Answer

A. Two

Explanation

An induction/PM controller needs at least two internal power-inverter current sensors to safely measure 3-phase current. This is because a 3-phase system requires the measurement of current in each phase, which can be achieved by using two sensors. One sensor alone would only provide the measurement of current in one phase, which is insufficient for accurately monitoring the 3-phase current. Therefore, two sensors are necessary for the controller to safely measure the current in a 3-phase system.

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7.

A(n) ___ provides a digital, square-wave output in which the electric machine motor controller counts to determine the approximate rotor position and speed.
- Resolver
- Current sensor
- Four-lobe reluctor
- Encoder
Correct Answer

A. Encoder

Explanation

An encoder is a device that provides a digital, square-wave output. It is used in electric machine motor controllers to count and determine the approximate rotor position and speed. This makes it an essential component in motor control systems as it helps in accurately monitoring and controlling the motor's operation.

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8.

The Ford Escape Hybrid uses a(n) ___ sensor.
- Resolver
- Encoder
- Magnetoresistive proximity
- Magnetic
Correct Answer

A. Resolver

Explanation

The Ford Escape Hybrid uses a resolver sensor. A resolver is a type of sensor that is commonly used in automotive applications to measure position and speed. It is a rotary sensor that converts mechanical motion into an electrical signal. Resolvers are known for their durability and accuracy, making them suitable for use in vehicles. They are also resistant to environmental factors such as temperature and vibration, which makes them ideal for automotive applications.

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9.

The Honda Civic Hybrid uses a(n) ___ sensor.
- Encoder
- Resolver
- Magnetoresistive proximity
- Hall-effect
Correct Answer

A. Magnetoresistive proximity

Explanation

The Honda Civic Hybrid uses a magnetoresistive proximity sensor. This type of sensor is commonly used in hybrid vehicles to detect the position of the crankshaft and camshaft. It operates by measuring changes in magnetic fields, allowing it to accurately determine the position of rotating components. The magnetoresistive proximity sensor is known for its high sensitivity and reliability, making it an ideal choice for automotive applications.

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Jun 27, 2024

Quiz Edited by
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Dec 19, 2012

Quiz Created by
Tacowallace

Hybrid Book - Chapter 8

A resolver creates a ___ waveform.

Quiz Preview

An induction/PM machine uses a ___-sensing or rpm-sensing device to provide an input signal to the controller, which uses the signal to calculate the proper slip percentage or phase advance/retard to control the machine.

With a resolver, the ___ generates a pulsed AC sine-wave output that is used as the reference signal for measuring the sine and cosine outputs.

The Toyota Prius uses a(n) ___ sensor.

The two types of sensors used to sense motor speed are ___ sensors.

An induction/PM controller needs at least ___ internal power-inverter current sensor(s) to safetly measure 3-phase current.

A(n) ___ provides a digital, square-wave output in which the electric machine motor controller counts to determine the approximate rotor position and speed.

The Ford Escape Hybrid uses a(n) ___ sensor.

The Honda Civic Hybrid uses a(n) ___ sensor.