Need statement

A thinkering lab in the university needs a automatic drill bit dispenser which can sense the id card of the student and verify it and provide a drill bits of suitable specifications needed by the students.

3.1 Question and answer

sl.no	Questions	Answers	Objective/constraints/functions
1	Should be the machine Automatic?	Automatic	Objective
2	The machine should be fixed or portable ?	Portable	Objective
3	What should be the size of the machine?	Dimensions: 2ftx2ftx2ft	constraint
4	How many drill bits it should provide?	minimum 3 types of bits	constraint
5	should the machine should be user friendly ?	yes	objective
6	How much the machine should cost?	Try to make it within 4000	constraint
7	Should it sense the id card?	yes	Function
8	How the machine should be powered?	electrically powered	Function
9	How precise should be the machine?	accurate enough	Function
10	What should be the duration ?	less than 30 sec	constraint
11	what materials should be used?	materials should be light weight	objective
12	should the machine alert after the completion	yes	Function

3.2 basic survey and requirements

3.3 Identifying objectives

sl.no	Objectives
1	Machine should be automatic
2	It should be portable
3	It should be user friendly
4	It should sense the id card
5	Provide student needed drill bit

Problem definition version 1.1

Design a automatic portable drill bit dispenser , which is able to sense the card of the student and provide them with a needed drill bits and which is user friendly.

3.4 Identifying constraints

sl.no	Constraints
1	Dimensions: 2ft2ft2ft
2	Cost less than 4000
3	processing in less than 30s
4	Should provide minimum 3 drill bits
5	Made up of non toxic materials

Problem definition version 1.2

Design a automatic portable drill bit dispenser , which is able to sense the card of the student and provide them with a needed drill bits and which is user friendly. Machine should not exceed 2ft2ft2ft, should cost less than 4000, should provide minimum of 3 drill bits within 30 s.

3.5 Establish functions

sl.no	Functions
1	should sense the id card
2	Dispensing
3	Indicate after the completion
4	User input
5	Display instructions
6	Alert if wrong card is sensed
7	Store the students information
8	Hold more number of drill bits
9	Alert after empty of dill bits

Problem definition version 1.3

Design a automatic portable drill bit dispenser , which is able to sense the card of the student and provide them with a needed drill bits and which is user friendly. Machine should not exceed 2ft2ft2ft, should cost less than 4000, should provide minimum of 3 drill bits within 30 s, it should sense the id card properly and provide drill bits, indicate after the completion of process and alert for the wrong id card and collect back the drillbits.