Need Statement:	INTERACTIVE SCIENCE MODEL

1.1 Question and Answer

Table 1 : Question and answer

Sl. no	Questions	Answers	Objective/Functions/Constraints
01	What should the system do	The solar system	Objective
02	What should be the budget of the model	Under 3000	Constraint
03	What should be the area to set up the model	1ft1ft1ft	constraint
04	Should the model be portable or fixed	Portable	Objective
05	What should be the weight of the model	As less as possible	Objective
06	Would you like to specify the color used	Multicolored	Objective
07	How do you want the model to be operated	Battery operated	Function
08	What should be the size of the model	1ft1ft1ft	Constraint
09	Do you want the model to be aesthetically pleasing	yes	Objective
10	What should be the time taken for one revolution	10-15 mins	Constraint
11	What should be the deadline of the model to be build	1 month	Constraint
12	How many planets would you like to display	5	Constraint
13	What should be the distance between the planets	5 cm	constraint
14	Would you like the time to be displayed	yes	Function
15	Any additional function you would like to specify	A document which would contain the information related to the planets depicted	Function
16	Should the machine work on the basis of user input	yes	Function
17	What would be the mechanism used in revolution of the planets	Linkage mechanism	Function

1.2 Identifying Client's Objective

Table 2 : Objectives Identified

S1 no	objectives
01	The model should be portable
02	The model should be multi color
03	The model should be aesthetically pleasing
04	The weight of model should be as less as possible

problem definition version 1.1:-

Design a model that should be portable , light weighted as much as possible , multicolored , and it should be aesthetically pleasing.

1.3 Identifying Client's Constraints

Table 2:Constraints identified

Sl no	Constraints
01	The budget of the model should be under 3000
02	The area to set up the model should be 3ft3ft3ft
03	The size of the model should be 2ft3ft1ft
04	The time taken for one revolution should be 10-15 min
05	The deadline for building the model should be 1 month
06	5 planets should be displayed
07	The distance between the planets should be 5cms

problem definition version 1.2:-

Design a model that should be portable , light weighted as much as possible , multicolored , and it should be aesthetically pleasing. The budget of the model should be under 3000,The area to set up the model should be 1ft1ft1ft*,the size of the model should be 1ft1ft1ft*,the time taken for one revolution should be 10-15 min,linkage mechanism shall be used to revolutionary motion of the planet,An online document shall be associated with every planet emphasizing on distinct features of the newly discovered planets. the deadline for building the model should be 1 month, 5 planets should be displayed, the distance between the planets should be 5cms.

1.4 Identifying Clients Function

Table 2 : Functions Identified

Sl. no	Functions
01	The machine should be battery operated
02	The model should be display the time
03	The model should work on the basis of user
04	DC motors shall be used for rotation
05	Linkage mechanism is used in revolution of the planets

Problem definition version 1.3:-

Design a solar system model which should be portable , light weighted as much as possible , multicolored , and it should be aesthetically pleasing. The budget of the model should be under 3000,The area to set up the model should be 1ft1ft1ft*,the size of the model should be 1ft1ft1ft*,the time taken for one revolution should be 10-15 min,linkage mechanism shall be used to revolutionary motion of the planet,An online document shall be associated with every planet emphasizing on distinct features of the newly discovered planets. the deadline for building the model should be 1 month, 5 planets should be displayed, the distance between the planets should be 5cms. The model should be battery operated , time should be displayed , the model should work on the basis of the user input , DC motors should be used for rotation , linkage mechanism is used in revolution of the planet.