1.Problem Definition - CEER-C/C4 GitHub Wiki

Need Statement:

1.1 Question and Answers

                  Table 1: Questions and answers

Sl. No.	Questions	Answer	Objective/Function/Constraint
1	Should the machine be automatic, semi-automatic, manual?	Semi-automatic	Objective
2	Do you want robot to be fixed or portable?	Portable	Objective
3	Under what budget the do you need your robot?	Under ₹. 3500/-.	Constraint
4	What should be the size of the robot?	1.5ft x 1.5ft x 1.5ft	Constraint
5	What should be the load capacity?	100gms	Constraint
6	What should be the flexibility of the robot?	3 Axes	Objective
7	Do you want the gripper to be magnetic, mechanical claw or magnet?	magnet.	Function
8	What may be the dimension of the object to be picked?	3cm x 3cm x 3cm	Constraint
9	Do you want the robot to be made of acrylic, wood or metal?	Acrylic	Constraint
10	Machine should work on AC or DC?	DC	Objective
11	How would you like to control the robot?	Application	Function
12	What should be the weight of robot?	Weight should not exceed 3Kgs	Constraint

1.2 Basic Survey and Requirements

                  Table 2: Observation from literature survey

Sl. No.	Observation from surveys	Requirements
1	Weight of machine	It should be easy to carry and portable.
2	Cost	Machine should be built with minimum budget and should not exceed ₹. 3500/-.
3	Number of operations	The machine should work fine for at least 8 to 10 cycles.
4	Materials to be used	Materials used to build, must be non toxic and light weight.
5	Dimensions of the object to be picked	3cm x 3cm x 3cm.

1.3 Identifying Client's Objectives

                   Table 3: Objectives identified 

Sl. No.	Objectives
1	Robot should be semiautomatic.
2	Robot should be portable.
3	Robot should work on DC.
4	Robot should have 3 degrees of freedom.

Problem definition version 1.1:

Design a semi-automatic robot to pick and place, which works on the DC current at moderate speed with 3 degrees of freedom and should be portable and user-friendly.

1.4 Identifying Constraints

               Table 4: Constraints identified 

Sl. No.	Constraints
1.	The cost of robot should not exceed ₹. 3500/-.
2.	The size of the robot should not exceed 1.5 cubic feet.
3.	The robot should pick a load of 100gms.
4.	The robot should be made up of acrylic material.
5.	The weight of robot should not be more than 3 kgs.
6.	the dimension of object is 3cm * 3cm * 3cm.

Problem definition version 1.2:

Design a semiautomatic robot to pick and place objects, which works on DC current at moderate speed with 3 degrees of freedom and should be portable and user-friendly. It should pick and place only one object at a time of dimension 3 cubic centimetres. It should be made up of non-toxic acrylic material, weighing less than 3 kgs and should be of maximum 1.5 cubic feet size, within the cost of ₹. 3500/-.

1.5 Establish Functions

                Table 5: Identified Functions

Sl. no.	Functions
1.	It should pick and place the object accurately using a pair of magnets.
2.	It should be controlled through serial monitor.

Problem definition version 1.3:

Design a semi-automatic robot to pick and place objects, which works on DC current at moderate speed with 3 degrees of freedom and should be portable and user-friendly. It should pick and place only one object of dimension 5 cubic centimeters at a time and complete it cycle within maximum of 2 minutes. It should be made up of non-toxic acrylic material, weighing less than 3 kgs and should be of maximum 1.5 cubic feet size, within the cost of ₹.3500/-. The robot should pick and place the object accurately using magnets.