3.CONCEPTUAL_DESIGN - N-Division-2019-2020-Even/Repo-17 GitHub Wiki

FUNCTIONS:

HANDLE WOOL:

1.Store wool.

2.Sense the wool.

3.Holding the wool.

4.To and fro dispense of wool.

HANDLE SPOOL:

1.Hold the spool.

2.Sense the spool.

3.Rotation of spool.

4.Maintaining uniform speed.

INDICATIONS:

1.Machine ON/OFF.

2.To enter the number of turns.

3.To display number of turns.

FUNCTION TREE:

FUNCTION CLUSTER

MORPHOLOGICAL CHART:

Function	Mean 1	Mean 2	Mean 3	Mean 4
ON/OFF Mechanism	Rocker switch	Slider Switch	Toggle Switch
Sensing wool	Optical IR Sensor	Proximity Sensor	Electro-Mechanical Sensor	Capacitive Sensor
Holding wool	Horizontally	Vertically	Bowl
Holding spool	Cylindrical Spool	Cone shaped spool
Count number of Winds	Recording Rotation Counter	LED Counter Meter with Proximity Sensor
Communication Module	Input through keyboard	Bluetooth Module
Process Completion Indication	Beeper	LED	Vibration Module

Conceptual Design-1:

Conceptual Design-2:

Conceptual Design-3:

Conceptual Design-4:

WEIGHTAGE ASSIGNMENT :

OBJECTIVES	WEIGHTAGE
Safety	9
Ease of Use	8
Cost	7
Use of Standard Parts	5
Displaying Details	4

PUGH CHART :

OBJECTIVES	WEIGHTAGE	DESIGN-1	DESIGN-2	DESIGN-3	DESIGN-4
Safety	9	Datum	0	+	-
Ease of use	8	Datum	-	+	0
Cost	7	Datum	-	0	0
Use of Standard Parts	5	Datum	-	+	-
Display Details	4	Datum	0	0	0
+ Score		0		22
- Score		0	-20		-14
TOTAL		0	-20	22	-14

CONCEPT SELECTION :

JUSTIFICATIONS :

DESIGN IDEA	OBJECTIVE	SCORE GIVEN	JUSTIFICATION
1	Safety	Datum	Less Safer as an Open Blade is used
	Ease of Use	Datum	Complex mechanism
	Cost	Datum	Use of expensive parts
	Use of standard Parts	Datum	Many parts used which are not easily available
	Display Details	Datum	Display system is expensive

DESIGN IDEA	OBJECTIVE	SCORE GIVEN	JUSTIFICATION
2	Safety	0	Similar to datum
	Ease of Use	-	Cannot control many aspects of this design
	Cost	-	Number of parts used is more
	Use of standard Parts	-	Parts might not be easily available
	Display Details	0	Similar to datum

DESIGN IDEA	OBJECTIVE	SCORE GIVEN	JUSTIFICATION
3	Safety	+	Cutting mechanism is safer
	Ease of Use	+	More efficient than datum
	Cost	0	Similar to datum
	Use of standard Parts	+	Parts easily available
	Display Details	0	Same as datum

DESIGN IDEA	OBJECTIVE	SCORE GIVEN	JUSTIFICATION
4	Safety	-	Cutting mechanism might be unsafe
	Ease of Use	0	Similar to datum
	Cost	0	Same as datum
	Use of standard Parts	-	Number of parts used is more
	Display Details	0	Similar to datum

Selected Concept is Design idea 3