PROBLEM DEFINITION:

Task 2.1:For the chosen need statement the problem definition is:

"To design compact, automated bi-directional armed machine to play piano of size 40 cm and of 32 keys in the outdoors for Entertainment. Controlling range of machine should be 5 m and ON/OFF state of machine should be indicated by light.Each music should not exceed 2 minutes and user should be given at least three options to select their desired music. It should be made attractive enough within given budget and time,Which can be operated by all the age group."

Task 2.2:List the inputs, outputs of the system and represent the black box model

Inputs	Outputs
1.Electrical energy (Power supply)	1.Mechanical energy, sound energy
2.Selection of music (user interaction)	2.Music according to user’s choice

Task 2.3:Glass box representation of the above system

Functions

1.Turning on the system

One	Two	Three
Switching on power button	Indication	Activation and alignment of system

2.User interface

One	Two	Three
Display of music options	Selection of music	Switching to next music

3.Playing instrument

One	Two
Playing of keys according to selected music	Realignment of stroke

Task 2.4:Morphological Charts

function	Mean 1	Mean 2	Mean 3	Mean 4
Indication	LED	Buzzer	Voice message	Display message
Selection of music	Spark fun	Mobile app	Remote
Display	LCD display board	Laptop	Mobile	Holographic display
Switching on device	Spark fun	Key pad	Voice command	Bluetooth module
Alignment	Free sliding	Rack and pinion	Wheels
Description of stroke	One fingered stroke	Mounted	stroke fixed at the front	Humanoid arm
playing keys	Servo motor	Cam mechanism

CONCEPTUAL DESIGNS

DESIGN 1

Free sliding mechanism

DESIGN 2

Rack and pinion mechanism

DESIGN 3

Wheel mechanism

DESIGN 4

Humanoid arm