Sec
1
Sec
2
Sec
3
Sec
4
CRF
28 April 2014
21 April 2014
14 April 2014
07 April 2014
31 March 2014
24 March 2014
17 March 2014
10 March 2014
03 March 2014
24 February 2014
17 February 2014
10 February 2014
03 February 2014
27 January 2014
20 January 2014
13 January 2014
06 January 2014
30 December 2013
23 December 2013
16 December 2013
09 December 2013
02 December 2013
25 November 2013
18 November 2013
11 November 2013
04 November 2013
28 October 2013
21 October 2013
14 October 2013
07 October 2013
30 September 2013
23 September 2013
16 September 2013
09 September 2013
02 September 2013
Week Beginning
AS Systems and Control 2013_14
Bedford Modern
School
AQA AS
Learning Through Designing and
SYST 1
Making
AS Systems SoW – AWR
Lessons
Module
LO
Tasks
Resources
HW
Electronic System
Components:
Input Transducers
A minimum of one
electronic input
transducer which is
activated by each of the
following:
• sound
• light
• pressure
• rotary movement
• linear movement
• strain
• moisture
A minimum of two
alternative methods of
amplifying
each of the following:
• current
• voltage
Discuss and define
transducers.
Physical examples of transducers.
Complete shared
slides of transducers
types
1
Amplifiers
2
1
Comparators
2
Electronic Processing
Systems:
A minimum of one
method of comparing:
• different input voltages
• digital inputs
The use and combination
of 2, 3 and 4 input gates
Google apps accounts set up
Google apps task to share
research and development
of information slides for
each actuator listed
Discuss the use of transistors
and transistor types. Discuss
the application of Op-amps.
Makes notes on the use of
transistor and op-amp
circuits and operation.
Model and test examples
Look at Op-amp examples as
comparators.
Build in feedback resistors
and test voltages
Review logic symbols and
truth tables.
Sample op amp circuit
Op-amps in Circuit Wizard
Breadboards
Components
Read section on Opamps in text. Inc
positive and negative
feedback.
Q4. Jun 2010
Breadboards and components
Past paper question
on basic sensing
circuits.
Q1 Jan 04
Past paper question
on Logic circuits
Circuit Wizard
Blank tables of logic symbols and
Logic
L
atches
1
Counters
3
Timers
2
with the following
functions:
• NOT
• AND
• OR
• NAND
• NOR
• XOR
Understand the use of
NAND gates to build any
other gate.
Recognise the need to
avoid Floating gates when
using ICs.
A minimum of two
alternative methods of
setting and latching the
state of an output for a
specific input
A minimum of two
alternative methods of
counting
input pulses to produce:
• a decade output
• a binary output
• the correct coding to
operate a 7 segment
display
A minimum of two
alternative methods of
producing:
• a single output pulse of
Complete table of symbols
and truth tables.
Complete table of
combinational logic
Build logic using NAND gates
on circuit wizard.
Breadboard logic circuits
truth tables
Blank tables of combinational logic
Breadboards
AND
NAND gate ICs and components
design.
Q4. Jan 04
Discuss the use of Thyristors,
DPDT relay and transistors
and logic gates to create
latches.
Model and test latching on
Circuit Wizard
Notes on flip flops and demo
circuits.
Develop binary count
Develop decoded decade
counter to give 7 segment
display for car rev counter
Circuit Wizard
Build relay and
Thyrsitor latching
circuits using circuit
Wizard and describe
operation
4026B Decoder
CC 7 seg displays
Read through
section of different
flip flop types in text
book .
Review and notes on the
operation of the 555 timer
for monostable and astable
function. Review
Example 555 circuits from circuit
wizard.
Model 555 on breadboard
Build a decoder
capable of counting
pulses from an
astable counter for a
Decoders
1
Output Transducers
2
Interfacing System
Blocks
1
a set duration
• a string of output pulses
with a set mark/space
Ratio
calculations.
Use of logic gates to create a
monostable output
one minute time
period (circuit
wizard)
A minimum of one
method of decoding a 4
bit binary
Input to:
• drive a 7 segment
display
• produce a decade
output
A minimum of one
electronic output
transducer for
each of the following:
• linear motion
• rotary motion
• precise angular
movement
• heat
• light
• sound
• amplification
• magnetism
The selection of suitable
interfaces to establish
connections in electrical,
electronic and
mechanical
systems. e.g. motors,
solenoid valves, relays,
Review of homework circuits
for counter. Develop into
working breadboard circuit
Astable and monostable
breadboards.
7 segment displays
4026 and 4093 ICs
Past paper qu.
(runner and timing
or counting pulses)
Google apps task to share
research and development
of information slides for
each actuator listed
Physical examples of transducers.
Complete shared
slides of transducers
types
Review of transistor types
bipolar, MOSFET.
Review use of Relays and
solenoids and types.
Review use of motor types,
inc. DC, Stepper and Servo.
Discussion on applications
Examples of transistors, relays and
motors.
Google apps accounts set up
Read and make
notes/table of
transistor types and
applications, inc
Darlington Pair.
Notes on motor
types, describing
2
amplifiers
and possible use in projects
Information
Technology:
Program
The purpose of a program
– a logical set of
instructions
Construction
Techniques
A practical knowledge of:
• two methods of
modelling an electronic
circuit
• two methods of
producing a PCB
System Diagrams
Input → Process →
Output → Feedback
• definition of a system
• system boundaries
• sub-systems
• system components
• sensors
• input transducers
• signal conditioners
• timers
• amplifiers
• comparators
• counters
• latches
• flip flops
Review example flowcharts
Example flowchart programs and
and applications. Discuss
project boards
input requirements (held
low) and digital/analogue
inputs.
Discuss interfacing
Discuss alternatives to
Examples of other modelling
breadboarding and the use
techniques (vero, alpha)
of veroboard. Discuss
Etch tank set up and ready to use.
advanatges/disadvantges of
simulations and breadboards
and Alpha boards
Review PCB production
process (ties in with
production for project)
The main elements of this section of the spec will be covered through the development of
the students own personal project in the “Learning by Making” unit of the course (2)
Combinations of practical modelling, investigation, feasibility studies and manufacture will
be evidenced within the supporting slide show.
See timeline for Learning Through Design
and making at the front of this document
1
System Definitions
System Building
Blocks
their appropriate
applications and
contrasts.
Create a flowchart
capable of counting
pulses from a bike
wheel to give an rpm
count for one
minute.
Create a summary
table of
advantages/disadvan
tages of each
modelling method.
OR past paper
question
Systems and Control:
Application of
Control Systems
Input/Output
Devices
• logical operators
• output transducers
• programmable devices
The matching of control
systems to specific
industrial applications –
consideration of
mechanical, electrical,
electronic, programmable
logic units and
microcontrollers
Matching the method of
input/output to the
application
Selection of appropriate
input/output transducers
for specific applications
Basic Principles
• force
• motion
• movement
• velocity
• pressure
• voltage
• current
• resistance
• power
• signals
• positive and negative
going pulses
• positive and negative
The main elements of this section of the spec will be covered through the development of
the students own personal project in the “Learning by Making” unit of the course (2)
Combinations of practical modelling, investigation, feasibility studies and manufacture will
be evidenced within the supporting slide show.
Mechanical
Processes
Tribology
Transmission
Amplification
edge triggering
• mark/Space ratio
• amplitude
• frequency
A minimum of two
mechanical systems to
provide
each of the following
transmissions of motion:
• rotary to rotary (parallel
shafts)
• rotary to rotary
(perpendicular shafts)
• rotary to linear, linear
to rotary
• rotary to reciprocating
• reciprocating to rotary
• rotary to oscillatory
• oscillatory to rotary
The systems should be
capable of amplifying the
movement or force of the
input
Useful and non-useful
friction – methods of
reducing friction
e.g. clutches, braking
systems, bearings,
lubricants
Signal – electricity – heat
– motion
The amplification of:
• force
The main elements of this section of the spec will be covered through the development of
the students own personal project in the “Learning by Making” unit of the course (2)
Combinations of practical modelling, investigation, feasibility studies and manufacture will
be evidenced within the supporting slide show.
Data Manipulation
Resistant Materials:
3
• motion
• movement
• velocity
• pressure
• voltage
• current
• power
• signal
Information, storage,
retrieval and
manipulation
of data so it can be
interrogated, modified
and
presented
A general understanding
of the following
groupings of materials:
• common ferrous and
non-ferrous metals
including alloys
• common thermoplastics
and thermosetting
plastics
• common hardwoods,
softwoods and manmade
boards
• smart materials created
to provide specific
properties. e.g.
thermoplastic sheet,
smart wire
A general understanding
The main elements of this section of the spec will be covered through the development of
the students own personal project in the “Learning by Making” unit of the course (2)
Combinations of practical modelling, investigation, feasibility studies and manufacture will
be evidenced within the supporting slide show.
Class discussion and sharing
of samples of materials and
market forms
Wood, metal, plastic, smart
material samples all available in
store
3 homeworks over 3
weeks identifying
and recording
groups, names,
properties and
applications of each
category
of the working properties,
commonly available
market forms and
suitable finishes for
enhancement and
protection
Comparative
Properties
3
Comparative Testing
Sufficient detail to allow
products/systems to be
manufactured
Discussion and notes on
definitions of testing
methods, sample size and
definitions of properties
Test samples, DVD views of sample
testing and sample types.
Examples of typical data and its
applications
Past paper question
Common methods of
workshop testing to
compare the properties
of materials e.g. tensile
strength, hardness,
toughness
Understanding of
standard testing methods
and data
Industrial and
Commercial
Practices:
2
Industrial processes
Understanding of how
familiar processes used in
school are related to
those used in the
industrial context,
especially with reference
to batch and mass
production. e.g. sand
Notes and discussion on
production levels.
Design considerations for
production levels.
Sketches of project
design altered to suit
batch production
casting, die casting,
vacuum forming, PCB
production
3
Product/Systems
Manufacturing:
Wastage
Addition/Fabrication
2
Hand and machine
methods of shaping
commonly available
resistant materials by
wastage
A minimum of four:
• hand methods
• machine methods
• CAM methods
Permanent fabrication
techniques suitable for
wood
A minimum of two:
• mechanical methods
• chemical methods
Permanent fabrication
techniques suitable for
metal
Workshop based.
Demo use of lathes, milling
m/c.
Review use of cutting and
filing techniques.
Review use of laser and
demo use of CNC router.
Lathes and tools, MC and tools,
material samples
Workshop based to discuss
and look at practical
techniques for each
material.
Demo and practical exercises
to include
Screw types
Adhesives
Welding/brazing
Rivets and types
Nuts and bolts and
applications
Materials and components to suit
Use free/lunchtime
demo. All readily available in store. to practise and try
out some of the
techniques
demonstrated
keeping samples.
A minimum of two:
• thermal methods
• mechanical methods
Permanent fabrication
techniques suitable for
plastic
Discuss and identify the
difference between
permanent and temporary
joining.
Develop skills
through practise in
lunchtime/after
school
Past paper question
A minimum of two:
• thermal methods
• mechanical methods
• chemical methods
Temporary fabrication
techniques suitable for
wood, metal and plastic
A minimum of three
mechanical methods
Redistribution
/Deformation
• a minimum of three
redistribution/deformatio
n processes suitable for
metals
Demo of sand casting and
discuss alternatives.
Notes and diagrams
of casting, pressing,
forging
• a minimum of three
redistribution/deformatio
n processes suitable for
plastics
Review of details of vacuum
forming and demo as
necessary. Discuss
alternatives to include
injection moulding and
extrusion, 3D printing
Notes and diagrams
on vac forming,
injection moulding
and extrusion
3
• a minimum of two
redistribution/deformatio
n processes suitable for
woods
Aids to Production
1
Prototyping, modelling,
use of jigs, templates,
Demo use of the air bag for
laminating (could fit in with
other lesson being delivered
to year 11)
Demo examples and assess
use through project
Notes and diagrams
on bag press and
steam bending
CAM and CIM