AUTOMOTIVE TECHNOLOGY -W/MINDTAP ACCESS
7th Edition
ISBN: 9780357096789
Author: ERJAVEC
Publisher: CENGAGE L
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Textbook Question
Chapter 42, Problem 2SA
Although computers receive different information from a variety of sensors, the decisions for shifting are actually based on more than the inputs. What are they based on?
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3. Define what is a sensor and give 2 examples.
Speed reduction, either through gearing or belt-pulley constructs, is an important element in motion system
design. Similarly, converting rotary motion to linear motion is an important consideration. Considering a
printer system driven by a stepper motor with 200 steps per revolution, construct a table that shows the
relationships for:
a. Position resolution of the print head vs. angular position of the motor. This translates to addressable
print dots per mm vs. step angle.
b. Print head speed (mm/S) vs. motor speed (Steps/S with rpm also noted)
C.
Frictional load at the print head (mN) vs. reflected torque at the motor (mNM)
Mass of the print head vs. reflected inertia to the motor
d.
Use GR for Speed Reduction, r (mm) for the radius of the drive pulley, and m (grams) for print-head mass..
Belt Actuator
Load
Drive Pulley
Secondary Pulley
Linear Guide
Belt
Primary Pulley
Motor
Given that your application requires high precision measurements, and you have varieties of a sensor type having the
following different magnitude ratios M at your disposal. Pick the best sensor.
A. M = 0.70
B. M = 1.50
C. M = 5.01
F. M = 10.00
G. 1.11
H. 0.65
D. M = 1.99
I. 4.21
E. M = 0.98
J. 0.67
Chapter 42 Solutions
AUTOMOTIVE TECHNOLOGY -W/MINDTAP ACCESS
Ch. 42 - While discussing the CVT transaxie used in Toyota...Ch. 42 - Although computers receive different information...Ch. 42 - What happens if the TCM determines that the...Ch. 42 - Prob. 4SACh. 42 - List five things that could cause incorrect shift...Ch. 42 - Most late-model transmission control systems have...Ch. 42 - What inputs are of prime importance to a computer...Ch. 42 - What are the advantages of using electronic...Ch. 42 - Voltage generation devices are typically used to...Ch. 42 - True or False? On most late-model EAT systems,...
Ch. 42 - True or False? The neutral safety switch and...Ch. 42 - Which of the following is not a voltage-generating...Ch. 42 - A glitch appears in the waveform of a vehicle...Ch. 42 - Prob. 3MCCh. 42 - Which of the following would probably not be...Ch. 42 - Technician A says that some systems use a special...Ch. 42 - Technician A says that shift solenoids direct...Ch. 42 - Technician A says that throttle position is an...Ch. 42 - Technician A says that a faulty TP sensor can...Ch. 42 - Technician A says that some shift solenoids can be...Ch. 42 - An electronically controlled transmission has...Ch. 42 - While discussing transmission adaptive learning:...Ch. 42 - While discussing valve body assemblies in...Ch. 42 - A transmission has delayed upshifts under all...Ch. 42 - While diagnosing the cause of TCC shudder:...
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