3. PROBLEM DEFINATION - H-Division-2020-2021-Even/Repo-16 Wiki

Problem Definition

Need Statement

Disinfection of surfaces, door accessories like latches, holders or lift buttons is essential to control the spread of the pandemic. A startup is looking to develop a solution for disinfection services.

Conversation between Engineer and Client:

TABLE 3.1

Sl. No Questions Answers Objective/Constraint/Function
1 What should be the dimensions? 300mm * 300mm * 300mm Constraint
2 What should be the weight of the machine? maximum 1.2kg Constraint
3 How would you like to control it? Automatic Objective
4 Do you want any indications? Monitor the disinfectant level Function
5 What should be the budget of the machine? 3500/- Constraint
6 What type of machine you prefer? The machine should be fixed Constraint
7 What purpose does the machine should serve? Disinfecting the button panels Function
8 How should be the device designed? Safety Objective
9 What type of materials to be used for building a machine? Materials used should be non-toxic and light weight Objective
10 How the machine should spread disinfectant? Sense the button panel touch Function
11 How much time it should take to disinfect the thing? Within few seconds Constraint
12 What should be size of bottle to be fit in the device? less than 250mm Constraint
13 Will it be ok if the device is decorated? Yes it should look good and can be maintained easily Objective
14 What should be dimensions of object to be disinfected? 100mm*120mm Constraint
15 Do you need any precautions to be taken? Cleaning button panels Function
16 Any other specification? after 30 minutes of inactive go to sleep mode Function

Objectives List:

1] The machine should have Automatic operation.

2] Easy refilling of disinfecting substance.

3] To visualize the level of disinfectant.

4] Easy maintenance of the device.

Problem Definition-1:

Design an Lift Button Disinfection system for lift buttons which can be easily maintained .The disinfecting substance should be easily refilled and the machine should visualize the level of disinfectant.

Constraints List:

1] Machine will have max dimensions of 300mm * 300mm * 300mm.

2] Max. Weight of the Machine 1.2 Kg.

3] Lift panel to be disinfected of dimensions 100mm*120mm.

4] Maximum Size of the disinfectant container is 250mm.

Problem Definition-2:

Design an Lift Button Disinfection system for lift buttons which can be easily maintained .The disinfecting substance should be easily refilled and the machine should visualize the level of disinfectant. The machine has the dimensions of 300mm * 300mm * 300mm which will disinfect the lift button panel of dimensions 100mm*120mm. Machine's maximum weight will be of 1.2Kg. The maximum size of disinfectant container used will be of 250mm size.

Functions list:

1] Sense the button touch.

2] disinfecting the lift button panel.

3] Monitor the disinfectant level.

4] Cleaning button panels.

5] After 30 minutes of inactive go to sleep mode.

Problem Definition-3:

Design an Lift Button Disinfection system for lift buttons which can be easily maintained .The disinfecting substance should be easily refilled and the machine should visualize the level of disinfectant. The machine has the dimensions of 300mm * 300mm * 300mm which will disinfect the lift button panel of dimensions 100mm*120mm. machine's maximum weight will be of 1.2Kg. the maximum size of disinfectant container used will be of 250mm size. The machine should sense the button touch and disinfect the button panel. The machine should indicate when the disinfectant is less than that of the threshold level of 25%. The machine should clean the panel after disinfection and the machine will go to sleep mode after 30 minutes of inactive.