Answer to Question #307076 in Mechanical Engineering for Wwsfhh

Question

P1.1 Perform research on mechatronic systems that are used in vehicles. Identify the type of sensors and/or actuators that are used in the following systems.

a. Air bag

b. Door locks

c. Powered side mirrors

Answer 1

AUTOMOTIVE SENSORS AND ACTUATORS

THERMISTORS (TEMPERATURE SENSORS):

Air intake, Battery, Engine and transmission temperature, Air conditioning and internal/external environmental temperature, Oil and gas temperatures

  

 THERMOCUPLES (TEMPERATURE SENSORS):

Exhaust Gas and turbocharger temperatures

MAGNETIC SENSORS:

Ignition system engine speed and position, Speed sensing for electronically controlled transmissions, Vehicle speed sensing, Wheel speed sensing for ABS and traction control systems

TRANSDUCERS (HALL EFFECT):

Current ow detection

POTENTIOMETER (VARIABLE RESISTANCE): Throttle position sensor ACCELERATOR-PEDAL MODULE:

Torque demand while driving

PRESSURE SENSORS:

Intake manifold pressure and barometric pressure

ACCELEROMETERS: Knock sensing, Crash sensing etc

KNOCK SENSORS: Engine Knocking

ACCELERATION SENSORS:

Electronic Stability Program (ESP), Anti-Braking System (ABS), Airbags

YAW RATE SENSORS: Electronic Stability Program(ESP)

AIR FLOW SENSORS: Air mass ow

OXYGEN SENSORS: Air Fuel ratio

SOLENOID ACTUATORS: Fuel Injector, Door Locks

MOTORS (DC, STEPPER etc.): Windscreen and head light washers & wipers, Power windows and mirrors, Fuel pumps, Head light lifts, Electronic Parking Brake (EPB), Ventilation fans etc.

Airbags

Sensors: Acceleration sensor, wheel speed sensors, brake pressure sensor, seat occupancy sensor(weight

sensor)

Actuators: Airbag ination device, passenger airbag ON/OFF indicator Door Locks

Actuators: Solenoid Actuators

Powered Side Mirrors

Actuators: Hydraulic drive systems, electrically operated pump.