2. PROBLEM DEFINITION - M-Division-2020-2021-Even/Repo_12 GitHub Wiki
NEED STATEMENT : CRICKET BALL LAUNCHING MACHINE
2.A.1 QUESTIONS AND ANSWERS
SI.No | Questions | Answers | Objectives/Constraints/Functions |
---|---|---|---|
1. | Should the machine be automatic or manual? | The machine should be semi-automatic | Objective |
2. | Machine should be fixed or portable? | The machine should be portable | Objective |
3. | What is the height from which the ball should be launched? | The ball should be launched at the height of 5ft | Constraint |
4. | What should be the bowling delivery style? | Delivery style should be speed bowling | Objective |
5. | Should the device be height adjustable? | Yes, the device should be height adjustable | Function |
6. | What type of ball should be launched? | Device should be able to launch light weight balls like low tennis, plastic balls etc | Objective |
7. | How many balls should be launched once the device is loaded? | Around 8-10 balls once loaded | Constraint |
8. | What is speed at which the ball should be launched? | The ball should be launched at about 40-60 Kmph | Constraint |
9. | How much should the machine weight? | The machine should not weigh more than 3 kg and it should be easy to carry | Constraint |
10. | How many balls should be thrown per min? | It should be able to throw 8-10 balls per minute | Constraint |
11. | What should be the size of the machine? | The size should not be more than 1.5ft in length, 1.5ft in breadth and 1.5ft in height | Constraint |
12. | Should the machine be user/eco-friendly? | Yes, the machine should be user/eco-friendly | Objective |
13. | What should be the weight and diameter of the ball? | Weight of ball should be 56.0-59.4 g and diameter should be 7.5 cm | Constraint |
14. | Is there any time gap between the successive launches? | Yes, after launching a ball the machine holds the next ball for a while, so there is a time gap | Function |
15. | Should the device be operated indoor or outdoor or both? | The device should be operated in both outdoor and indoor conditions | Objective |
16. | What should be the launching range? | The launching range should be long/short | Function |
17. | Should machine give indication when balls are empty? | Yes, the device should give the indication when the balls are empty | Function |
18. | What should be the overall cost of the device should be? | The budget should not exceed Rs6000 | Constraint |
19. | Should the machine able to detect the speed of the ball? | Yes, the machine must be able to detect the speed of the ball | Function |
20. | Should machine give an indication when it is ON/OFF? | Machine should give an indication when it is ON/OFF | Function |
21. | Should the device able to vary the speed of the ball? | Yes, the device must be able to vary the speed of the ball | Function |
22. | Will the machine be able to sense the ball or not? | Yes, the machine should sense the ball | Function |
2.A.2 IDENTIFYING CLIENT'S OBJECTIVES
SI.No | Objectives |
---|---|
1. | Device should be user/eco friendly |
2. | The machine should be semi-automatic |
3. | The machine should be portable |
4. | Delivery style should be speed bowling |
5. | Device should be able to launch light weight balls like low tennis, plastic balls etc |
6. | The device should be operated in both outdoor and indoor conditions |
Problem definition version 1.1
Design a semiautomatic cricket ball launching machine which is portable, user/eco friendly, able to launch light weight balls with a speed bowling delivery style and can be operated in both indoor and outdoor conditions.
2.A.3 IDENTIFYING THE CONSTRAINTS
SI.No | Constraints |
---|---|
1. | Once the device is loaded it should be able to launch 8-10 balls |
2. | The ball should be launched at the height of 5 ft |
3. | The ball should be launched at about 40-60 kmph |
4. | The machine should not weigh more than 3 kg and it should be easy to carry |
5. | It should be able to throw 8-10 balls per minute |
6. | The size should not be more than 1.5ft in length, 1.5ft in breadth and 1.5ft in height |
7. | Weight of ball should be 56.0-59.4 g and diameter should be 7.5 cm |
8. | The budget should not exceed Rs 6000 |
Problem definition version 1.2
Design a semiautomatic cricket ball launching machine which is portable, user/eco friendly, able to launch light weight balls with a speed bowling delivery style and can be operated in both indoor and outdoor conditions. The dimensions of the machine must not exceed 1.5ft * 1.5ft * 1.5ft, should not weigh more than 3 kg and it should be easy to carry, once the device is loaded it should be able to launch 8-10 balls, ball should be launched at the height of 5 ft, able to launch at the speed of 40-60 kmph, the diameter of the ball should be 7.5 cm and weight of ball should be 56.0-59.4 g, the cost must not exceed Rs 6000.
2.A.4 ESTABLISH FUNCTIONS
SI.No | Functions |
---|---|
1. | The device should be height adjustable |
2. | The machine should sense the ball |
3. | After launching a ball, the machine holds the next ball for a while, so there is a time gap |
4. | Device must be able to vary the speed of the ball |
5. | The ball can be launched to a short/long distance |
6. | The machine should be able to find the speed of the ball |
7. | The device should give the indication when the balls are empty |
8. | Machine should give an indication when it is ON |
Problem definition version 1.3
Design a semiautomatic cricket ball launching machine which is portable, user/eco friendly, able to launch light weight balls with a speed bowling delivery style and can be operated in both indoor and outdoor conditions. The dimensions of the machine must not exceed 1.5ft * 1.5ft * 1.5ft, should not weigh more than 3 kg and it should be easy to carry, once the device is loaded it should be able to launch 8-10 balls, ball should be launched at the height of 5 ft, able to launch at the speed of 40-60 kmph, the diameter of the ball should be 7.5 cm and weight of ball should be 56.0-59.4 g, the cost must not exceed Rs6000. The device should have the height adjustability feature, able to sense the ball, launching range should be long or short and there is a short time gap between the successive launchings, device must vary the speed of the ball and able to find it's speed, device should give the indication when balls are empty and when the device is ON.