ED SHEET‐‐02 - U-Div-Engg-Exploration-Odd-26-27/Repo-06 GitHub Wiki

Sl. No. Functions from User Perspective Functions from Designer Perspective
1 Remove loose dust and dirt Convert electrical energy to mechanical motion
2 Scrub the floor surface Rotate the brush
3 Turn in tight spaces Store clean solution
4 Run long in a single charge Manage battery charge and discharge
5 Show battery level Control the brush speed and pressure
6 Operate quietly Pump the clean solution to the brush or floor
7 Clean automatically or on a schedule Generate suction (vacuum)
8 Clean under furniture and low areas Sense tank levels
9 Warn about faults and errors Sense battery voltage and current
10 Transport easily Accept operator input
11 Avoid leaks and dripping Protect motors from overloading and overheating
12 Need little maintenance Isolate vibration
13 Use minimal water and detergent Resist collision damage
14 Show working time and hours used Navigate and map the area
15 Provide simple, understandable controls Reduce noise
16 Cover a large area efficiently Prevent water entering the electrical section
17 Avoid damage from collisions Limit speed on the sensing and in slopes
18 Keep running costs low Provide visual and audible alarm
19 Store compactly Switch off components automatically when idle
Sl. No. Subfunctions Means 1 Means 2 Means 3 Means 4 Means 5
1 Navigation and Mapping IR Proximity Sensor Ultrasonic Sensor Time of Flight and IMU Camera Module IR Line-Tracking Sensor Array
2 Locomotion/Drive BO Gear Motor Stepper Motor DC Metal Gear Motor Planetary Gear Motor stepper motor
3 Cleaning Mechanism 3-Prong Side Brush Counter-Rotating Brush Cylindrical Roller Cylindrical Rollers 3-Prong Side Sweeping Brush
4 Drying/Suction Axial Fan Diaphragm Air Pump Centrifugal Blower Centrifugal Blower Mini Diaphragm Pump
5 Power Supply NiMH Battery Pack LiPo Battery Pack LiFePO4 or 21700 Li-ion 18650 Lithium-Ion Pack 3S 18650 Battery with BMS
6 Obstacle Detection IR Obstacle Avoidance Microswitch/Limit Switch Microswitch Bumper ToF/Laser Distance Ultrasonic
7 Control Unit/Devkit Arduino Uno NodeMCU ESP32 Raspberry Pi Arduino Mega
Sl. No. Subfunctions Concept 1 Concept 2 Concept 3 Concept 4 Concept 5
1 Navigation and Mapping IR Proximity Sensor Ultrasonic Sensor Time of Flight and IMU Camera Module IR Line-Tracking Sensor Array
2 Locomotion/Drive BO Gear Motor Stepper Motor DC Metal Gear Motor Planetary Gear Motor stepper motor
3 Cleaning Mechanism 3-Prong Side Brush Counter-Rotating Brush Cylindrical Roller Cylindrical Rollers 3-Prong Side Sweeping Brush
4 Drying/Suction Axial Fan Diaphragm Air Pump Centrifugal Blower Centrifugal Blower Mini Diaphragm Pump
5 Power Supply NiMH Battery Pack LiPo Battery Pack LiFePO4 or 21700 Li-ion 18650 Lithium-Ion Pack 3S 18650 Battery with BMS
6 Obstacle Detection IR Obstacle Avoidance Microswitch/Limit Switch Microswitch Bumper ToF/Laser Distance Ultrasonic
7 Control Unit/Devkit Arduino Uno NodeMCU ESP32 Raspberry Pi Arduino Mega