AUTOMATIC SHOE POLISHING MACHINE

Case study

1. clients: hotel
2. Users: customer purpose

Questions such as	answers	O/F/C
1. what should be the size of the machine?	machine should be compact	O
2. what must be the maximum time to polish a pair of shoes?	should take minimum time	O
3. how you want to move the machine?	by handle or wheels	O
4. what should be the weight of the machine?	light weight	O
5. what should be the budget?	Rs.5000	C
6. what should be the size of the shoe?	7 UK	C
7. what is the color of the shoe to be polished?	black	C
8. what type of shoes to be polished?	canvas shoes	C
9. do you want the polisher to be a liquid or paste polisher?	liquid	C
10. should there be two different compartments for cleaning and polishing?	yes	C
11. do you want the machine to be movable?	yes	F
12. Is the cleaning of the shoes required before polishing?	yes	F
13. do you want the machine to clean the dirt by itself?	yes	F
14. Should it stop polishing automatically?	yes	F
15. Do you want the machine to blink and indicate the completion of polishing?	yes	F

1.1 Identifying the client objectives

sl.no	OBJECTIVES
1	The machine should be compact
2	The machine should take minimum time to polish a pair of shoes
3	The machine can be moved either by handle or by wheels
4	The machine should be light in weight

1.2 Prioritize the identified design objectives

Pair-wise comparison chart(PCC)

objectives	size	time	freely movable	weight	scoring
size	**	00	01	01	02
time	01	**	01	01	03
freely movable	00	00	**	01	01
weight	00	00	00	**	00

Rank the objectives in order of decreasing value of importance and the list it

1. Time required to polish a pair of shoe.
2. Size of the machine.
3. The machine must be freely movable.
4. Weight of the machine.

Problem definition version 1.1

As per the client's need ,a shoe polishing machine is to be prepared that is compact and light in weight . The machine can be moved either by a handle (or) wheels. And the machine should consume minimum time to polish a pair of shoe.

1.2 Identify constraints

1. The price of the machine is Rs.5000
2. The size of the shoe to be polished is 7 UK.
3. The colour of the shoe to be polished is black.
4. The type of the shoe to be polished is canvas.
5. The polisher used for polishing is liquid polisher.
6. There are two different compartments to clean and polish the shoes.

Problem definition version 1.2

As per the client need,a shoe polishing machine is to be made that is compact and weight less than 6 kg. The machine should meet the budget of 5000/- It can be movable either by a handle (or) wheels. The size and the color of the shoe to be polished is 7 UK and black. The type of polisher used is liquid polisher.And the type of shoe to be polished is canvas. The machine consumes less than 3 mins to polish a pair of shoe.

1.3 Establishing the functions

1. The machine is movable.
2. The machine must clean the shoes before polishing.
3. The machine must clean the compartment dirt by itself.
4. It must stop polishing automatically after a particular time.
5. The machine will blink and indicate the completion of polishing.

Problem definition version 1.3

As per the client's need ,a shoe polishing machine is to be prepared that is compact and is of light weight. The machine can be moved either by a handle (or) wheels. And the machine should consume minimum amount of time to polish a pair of shoe. The machine should be easily and freely movable. The machine must stop automatically after polishing. The machine should have an arrangement to clean the dust of shoes before polishing and blink once the polishing is completed and must be able to clean the compartment dirt too.