Need statement: A pattern drawing bot is to be constructed that can draw simple shapes and patterns auotomatically .

1.1 Question and answer

                        Table 1: Question and answers.

SL.NO	Question	Answer	Objective/function/constraint
1.	What should be the dimensions of the bot	Dimensions: 1.5ft X 1.5ft X 1.5ft	Constraint
2.	What should be the weight of the machine	Around 2kgs	Constraint
3.	Should the machine be fixed or portable	Portable	Objective
4.	What kind of patterns should the bot draw	Simple shapes and patterns	Function
5.	Should the bot move or be static while drawing	static	Objective
6.	How much machine can cost ?	Around RS 3000	Contraint
7.	How should be the working of the machine	It should be automatic	Function
8	what material should be used in building the bot	metal/ HDPE	constraint
9.	What about the power supply	electricity or battery	Constraint
10.	Any other function expected	it should signal when task is completed	Function

1.2 Basic Survey and requirements.

         Table 2: Observation from a literature survey

SL.NO	Observation from surveys	Requirement
1.	weight of machine	It should not be bulky and should be portable
2.	cost	Should not exceed RS 4000
3.	NO of operations	It should be able to draw a minimum of 8-10 patterns
4.	drawing surface	should be able to draw on atleast two different surfaces

1.3 Identifying client's objectives

    Table 3: object identification

SL.NO	Objectives
1.	The bot should be compact and easy to use
2.	It should be easy to feed the patterns as input
3.	It should be able to draw the patterns accurately
4.	It should be able to sufficient no. of patterns
5.	The bot should be automatic or semi-auotomatic

problem definition v1: contstruct a pattern drawing bot that is compact and easy to use and draws accurate and sufficient number of patterns.

1.4 Identify constraints

  Table 1.4:Identified contraints

SL.NO	Constraints
1.	Bot should not be bulky
2.	Should not cost more than 4000
3.	Should be easy to use
4.	should be able to draw simple patterns
5.	Should be able to draw atleast 3 patterns continously

Problem Definition v2:Design an automatic pattern drawing bot which should be portable and user-friendly. It should be able to draw sufficient number of patterns.THe bot should not be bulky and not cost more than 4000 rupees. It shoukd be able to draw simple patterns and should be made up of metal or HDPE.

1.5 Establish Functions

SL.NO	Functions
1.	Detect the surface area to be drawn on
2.	determine wether the pattern drawing is feasible on surface or not
3.	prompt the user when the task is done
4.	choose different colurs for patterns
5.	display wether the the given pattern is executable or not
6.	Move freely on the surface with help of a arm
7.	Turn on or off
8.	draw sufficient simple patterns
9.	Hold the pen
10	Hold the paper

Problem Definition v2: Design an automatic pattern drawing bot which should be portable and user-friendly. It should be able to draw sufficient number of patterns.THe bot should not be bulky and not cost more than 4000 rupees. It shoukd be able to draw simple patterns and should be made up of metal or HDPE. The bot has to perform somr functions such as detect the surface to be drawn on, draw sufficent number of patterns accurately,The machine should also hold the pen,paper and other components. prompt the user when it the drawing is done. It should move the arms and turn on/off when instructed.