Need Statement:

A canteen and hotel are planning to dispose of its used cups to the disposal unit by crushing the cups to minimize the size of the cups or to recycle it. So, they are in need of a machine that crushes the cup.

3.1 Question and answer

Sl.No	Question	Answers	Objective / Function / Constraint
1	Should the machine be user friendly?	It should be user-friendly	Objective
2	Why crushing of paper cups is required ?	To reduce the volume of waste paper cups	Objective/Function
3	What is the size of the machine?	(1ft)x(1ft)x(1ft)	Constraint
4	What is the weight of the machine?	light weight	Objective
5	Whether it is portable or not?	portable	Objective
6	Whether it should be manual or automatic?	semi-automatic	Objective
7	Do you want an indication after crushing?	yes	Function
8	What is the size of the cup?	Regular size(4-6cm)	Constraint
9	What is the deadline for submission?	3 months	Constraint
10	Do you want to crush multiple or a single cup at a time?	single	Constraint
11	How is the budget of the crushing Machine?	Low budget	Objective
12	Whether it is required to sense the cup?	Yes	Function
13	Where to store the crushed paper cup?	Storing unit	Function

3.2 Basic Survey and requirement

Sl No	Observation from survey	Requirement
01	Weight of machine	It should be easy to carry and portable
02	Cost	Machine should be of low budget
03	Materials to be used	Light weight materials

3.3 Identifying Client's Objectives

Sl No	Objectives
01	Must be user friendly
02	To reduce the volume of waste paper cups
03	It should have less weight
04	It should be portable
05	It should be semi automatic
06	Low budget machine

Problem Definition 1.1

Design a semi-automatic paper cup crusher to crush the cups to reduce capacity and save trash space. The machine should be lightweight, portable and it should be cost effective.

3.4 Identify constraints

Sl No	Constraints
01	Its dimensions should be not more than 1ftx1ftx1ft
02	Cup size must be regular(4-6cm)
03	Machine should be completed in the time span of 3 months
04	Single cup must be crushed at a time

Problem definition 1.2

Design a semi-automatic paper cup crusher to crush the cups to reduce capacity and save trash space. The machine should be lightweight and portable, and it should be cost-effective. The machine should crush the cup one at a time of size(4-6cm). Its dimensions should be 1ftx1ftx1ft. And it should be done in a three-month time frame.

3.5 Establish Functions

Sl No	Functions
01	Collect the cup
02	Crush the cup
03	Indicate the user
04	sense the cup
05	Disposal of crushed cup
06	Crushed cup is collected in storing unit

Problem definition 1.3

Design a semi-automatic paper cup crusher to crush the cups to reduce capacity and save trash space. The machine should be lightweight, portable, and it should be cost-effective. The machine should crush the cup of size(4-6cm). The machine dimensions should be (1ft)x(1ft)x(1ft). And it should be done in a three-month time frame. The cups should be collected, sensed, and crushed and it should also indicate after crushing is done. The crushed cup is then stored in some storage unit.