PROBLEM DEFINITION

NEED STATEMENT:- WHITE BOARD CLEANER

CASE STUDY:-

1.NEED STATEMENT:”WHITE BOARD CLEANER”.

2.DESIGNERS: AMAN

3.CLIENTS: ABC

4.USERS: AMAN

Sl no	Questions	Answers	result
1.	mode of operation	automatic	O
2.	Is it user friendly?	yes	O
4.	Is it portable?	yes	O
5.	What will be the cost?	4000/-	C
6.	Dimensions of the board?	3ft x 4ft	C
7.	Type of materials used for machine?	Metal, cloth, plastic
8.	Interaction with device?	switch	O&F
9.	Indication for the completion?	Led notification	F

1.1 IDENTIFY CLIENTS OBJECTIVES

Step 1: Prepare a list of design objectives

Sl.no	Objectives
01	Automatic
02	Portability
03	User friendly
04	Switch operated

1.2 Prioritize the identified design objectives

Priority among Various objectives it set through a technique called Pair-Wise Comparison Chart(PCC)

Objectives	Automatic	User friendly	Switch operated	Portability
Automatic	***	1	1	1
User friendly	0	***	1	1
Switch operated	0	0	***	1
Portability	0	0	0	***

Rank the objective in order of Decresing value of importance and the list is

1. Automatic

2. user friendly

3. Switch operated

4. Portability

Based on the information gathered through interaction with client, initial survey and completing phase 1.1 the problem definition is formulated as follows:

Problem definition version 1.1

Design an automatic, user friendly, switch operated and portable white board cleaner.

1.3 Identify constraints

1.maximum cost of the machine- 4000/-

2.size: height- 3 to 4 ft, weight- 2 to 3 kgs.

Problem definition version 1.2:

Design an automatic, user friendly, switch operated and portable white board cleaner with cost not exceeding 4000 rupees with height 3 to 4 ft and weighing around 2 to 3 kgs.

1.4 Establish functions

1.indication of completion

2.cleaning the white board

Problem definition version 1.3:

Design an automatic, user friendly, switch operated and portable white board cleaner with cost not exceeding 4000 rupees, with height 3 to 4 ft and weighing around 2 to 3 kgs glowing led lights as an indication of completion and cleaning the complete board.