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ME 6405/ME 4447. Introduction to Mechatronics Instructor: Professor Charles Ume Lecture #5. 1. Reading assignment for this week and next week Read Chapters 1-4 in Basic Microprocessors and the 6800, by Ron Bishop. Chapter 1 Basic Electronic Principles Chapter 2 Logic Elements

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me 6405 me 4447

ME 6405/ME 4447

Introduction to Mechatronics

Instructor: Professor Charles Ume

Lecture #5

1. Reading assignment for this week and next week

Read Chapters 1-4 in Basic Microprocessors and the 6800, by Ron Bishop.

Chapter 1 Basic Electronic Principles

Chapter 2 Logic Elements

Chapter 3 Number Systems

Chapter 4 Digital Arithmetic

There will be questions and answers the rest of this week and next week based on your reading assignment.

revision cont d
2. Why do we teach microprocessor applications (or Mechatronics) in


It used to be taught only in EE.

- Few ME schools/departments were teaching it in early 80's:

GIT, Stanford, Berkeley, Penn State, University of SC, Rensselaer Polytechnic

Institute, British Columbia and etc.

- Reasons: Emphasis in manufacturing and automation

- Today's consumer products (examples: cameras, automobiles,

camcorders, sewing machines, TVs, cell phones) incorporate electronics and


Revision Cont’d
Micro-controller is at core of our mechatronics courses as discussed earlier.

Therefore, it makes sense to discuss its various applications in mechatronics systems or mechatronics devices.


automobile industry
The main application in the auto industry is in the Engine Control Module (ECM) for:

controlling the: spark, fuel, and air going to the engine to minimize emissions and maximize fuel economy and performance

Automobile Industry
automobile applications cont d
Other applications include:

the new Body Computer Module (BCM)

entertainment system

theft deterrent systems

climate control

dashboard display


traction control

navigation systems

other control functions like transmission, diesel, suspension and power steering controllers.

Automobile Applications Cont’d
automobile applications cont d1
Windshield wiper:

M68HC11-based micro-controller was developed to test and implement smart wiper concept for a car.

Standard intermittent windshield wiper is concept of smart wiper that automatically turns itself on or off and adjusts its wiping cycle according to intensity of rain.

Automobile Applications Cont’d
Temperature controls

Timing functions (various types), e.g., hoppers for measuring flours, sugar, etc.

Product counting

Speed control of conveyor belts/chains

Robot control

Process monitoring and control

Humidity Controls

Smart houses:

Burglar alarms page you/call police

Garage door opener

Temperature control

Program your thermostat or stove to turn on an hour before you return

Program light/TV control to turn on at different times during your absence

Turn a stove/oven on to start cooking/baking before you leave your office

Data acquisition systems

Automating experiments

consumer products
Camera, camcorder, VCR, washing machine, dryer, TV, microwave oven, oven, video games, cell phones, children’s toys etc. Consumer Products
US Olympic Committee Rowing Data Acquisition

System (RDAS)

at core of RDAS onboard electronic unit is 68HC11 microcontroller

current RDAS monitors oar angle, oar torque (force about the oar lock), boat speed, and boat acceleration on four athletes and transmits data to receiving unit integrated with IBM laptop on coach's launch (a small motorboat or a large boat that operates from a ship).