NEED STATEMENT

STEP CLIMBING BOT

3.1 QUESTION AND ANSWER

SI.No	Involved Questions	Answers	objective/function/constraints
1	What task should it perform?	climbing the steps	objective and function
2	What are the number of steps the bot should take in one minute?	1 steps 2 seconds	constraint
3	Do you want to control the bot remotely?	yes	function
4	What is the budget?	Rs.3000/-	constraints
5	What is the step size?	15-20cm	constraint
6	Should it also be able to climb down the stairs ?	yes	objective and constraint
7	What should be the weight of the bot?	less than 2 kg	constraint
8	Do you want power backup?	yes	objective
9	Should it be automatic or operative type?	semi-automatic	objective
10	Should the movement of the bot be unidirectional?	yes	objective and function
11	Should the bot be compatible with every surface?	yes	objective
12	Should the bot carry something?	yes	function

3.2 BASIC SURVEY QUESTIONS

Sl.No	Observation from surveys	Requirements
1	Weight of the machine	It should be easy to carry and transportable
2	Number of steps	the machine should work properly for atleast 6-7 steps
3	Cost	The overall budget should not exceed Rs 3000/-.
4	Material to be used	Materials used must not be harmful ,it should be of light weight

IDENTIFYING CLIENT'S OBJECTIVES

Sl.No	Objectives
1	The bot should be able to climb the stairs
2	It should be able to climb down the stairs
3	It should have power backup
4	It should be controlled remotely
5	It should be able to identify if any object placed on it
6	The bot should be portable
7	It should indicate if any obstacle comes in its way

PROBLEM DEFINITION VERSION 1.1

Design a step climbing bot which should be able to climb the steps and also it should be able to climb down the stairs. It should have power backup and it should be user operative type. It should move in unidirectional motion.

3.4 IDENTIFY CONSTRAINTS

SI.NO	Constraints
1	The bot should be able to climb 1 step per minute
2	The budget should not exceed Rs.3000/-
3	The limited size of the step should be 15-20cm
4	The bot should be less than 2kg in weight
5	It should be compatible with every surface
6	It should carry maximum weight of 100gm

PROBLEM DEFINITION VERSION 1.2

The bot should be able to climb 1 step per minute .The limited size of the steps should be 15-20cm. The bot should be less than 2kg in weight.It should be compatible with every surface . The overall budget should not exceed Rs 3000/-

ESTABLISH FUNCTIONS

SI NO	Function
1	It should be able to count the number steps climbed
2	It should be able to detect the obstacle
3	It should be able to climb the steps
4	It should be able to display number of steps
5	The bot should be able to carry something on it
6	It should indicate when it is on or off

PROBLEM DEFINITION VERSION 1.3

The bot should climb the stairs step by step .The bot should be user operative type .It should be able to climb down the stairs. It should be unidirectional in motion . If needed it should be able to carry something on it.

PROBLEM DEFINITION

A clear motive is to design an automatic machine which is able to climb up and down the stairs. It should climb 1 step per minute .The step size should be 15-20cm .It should be user operative type. It should be unidirectional in motion and also should be able to climb down the stairs .The bot should be less than 2kg in weight and should be compatible with every surface. It should have power backup. It should be designed in such a way that it should be able to carry something . The overall budget to design this model should not exceed Rs.3000/-.