4.1 Weightage to the objectives

Sl.no	Objectives	Weightage
1.	safety	9
2.	User Friendly	6
3.	Easily Movable	7
4.	Looks	8

4.2 PUGH Chart

Design objectives	Weightage	Design 1	Design 2	Design 3	Design 4	Design 5
safety	9	Datum	++	0	-	++
User Friendly	6	Datum	0	0	+	0
Easily Movable	7	Datum	+	0	0	+
Looks	8	Datum	+	+	-	-
Score(+)	--	--	33	8	6	25
Score(-)	--	--	0	0	17	8
TOTAL	--	--	33	8	-11	17

4.3 Justification for the allocated scores

Design No.	Objective	Score allocated	Justification for the score
1.	safety	Datum	----------
	User Friendly	Datum
	Easily Movable	Datum
	looks	Datum
2.	safety	18	Parts used in this concept are light and safe
	User Friendly	0	Controls are same as in concept 1
	Easily Movable	7	Its lighter in weight and easily movable
	looks	8	Robotic arm grabs children's attention
3.	safety	0	Its as heavy as concept 1 so level of safety remains same
	User Friendly	0	Controls are same as in concept 1
	Easily Movable	0	Same heavier parts are used in this concept
	looks	8	Robotic arm grabs children's attention
4.	safety	-9	Because it is heavy
	User Friendly	6	Controls are easy to use for the users
	Easily Movable	0	Same heavier parts are used in this concept
	looks	-8	Looks of the Robot is not modern
5.	safety	18	light and safe sticks are used for playing
	User Friendly	0	Controls are same as in concept 1
	Easily Movable	7	Its lighter in weight and easily movable
	looks	-8	This concept does not look like a typical robot & is not attrative

4.4 Selected Design Drawing

Using the concept of selection and on the basis of points earned through PUGH chart this below concept is finalized(i.e. concept 2).

Concept 02

Sl. No.	Sub functions	Mean used
1.	Holding maracas	Fixed to the frame
2.	Playing the maracas	By the movement of robotic arm
3.	Input for tune	IR remote
4.	Child Lock	Slide Switch
5.	Indication	LCD display

---

Product Architecture

---

FUNCTION CLUSTERING

Handle MARACAS	User Input	Indication	CASING
Hold the MARACAS	Display The Tune	Glow the LED for each beat of MARACAS	-----
Shake the MARACAS	Turn On	Count the time	-----
-----	Turn Off	Indicate time up	-----
-----	Change The Tune	-----	-----
-----	Take Input for Turn On The Child Lock Option And Disable All The Function	-----	-----
-----	Take Input for Turn Off The Child Lock Option And Enable All The Function	-----	-----

Subsystem List

SL No.	Sub System
1.	Robotic arm and handling unit
2.	Robot base and Control unit