using obstacle avoiding system without microchip SHAO YURUI - - PowerPoint PPT Presentation

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using obstacle avoiding system without microchip SHAO YURUI - - PowerPoint PPT Presentation

Dec 02, 2023 169 likes •592 views

Design of low cost cleaning robot using obstacle avoiding system without microchip SHAO YURUI Trilobite by Electrolux First commercial cleaning robot 2001 1899 2013 2002 Drawing of an Roomba by iRobot Neato electrical floor cleaner

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Design of low cost cleaning robot using obstacle avoiding system without microchip

SHAO YURUI

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1899 Drawing of an electrical floor cleaner Trilobite by Electrolux First commercial cleaning robot 2001 2002 Roomba by iRobot The standard of cleaning machine 2013… Neato Dyson 360eye Xiaomi….. Joined the market

Images adapted from Wikipedia and Leiohone https://www.leiphone.com/news/201605/Sk3uvM8OedJr4btL.html https://ainerds.com/the-evolution-of-the-robovac-why-the-robot-vacuum-of-today-is-different/

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Images adapted from Ezbuy https://ezbuy.sg/category?keywords=cleaning%20robot&sortCondition=3&ezspm=1.10000000.2.0.0

S$675.88 S$313.06 S$397.32 S$312.28

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Icon adapted from Clker http://www.clker.com/clipart-generic-microchip.html

Operation system

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Objective

To create an obstacle avoiding system without any microchip nor sensors, that is able to cover an area not free of obstacles, as efficiently as normal commercial design.

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Material and Design

Obstacle avoiding system without any microchip nor sensors

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Material and Design

A extremely simple circuit design with only two switches. The switch controls the wheel of the opposite side

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Material and Design

A extremely simple circuit design with only two switches. The switch controls the wheel of the opposite side

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Material and Design

A extremely simple circuit design with only two switches. The switch controls the wheel of the opposite side

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Illustration of cleaning robot

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Circuit Design

The switch will change the direction of the current when closed Close Switch

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Material and Design

A extremely simple circuit design with only two switches. The switch controls the wheel of the opposite side

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Material and Design

A extremely simple circuit design with only two switches. The switch controls the wheel of the opposite side

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Angle Adjustment to Wall

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Normal commercial robot : use of random cleaning path Bed Closet

May result in area not cover by the cleaning robot

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Illustration of cleaning path phase 1 Bed Closet

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Illustration of cleaning path phase 2 Bed Closet

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Experiment: comparing efficiency

Fixed distance travelled Compare surface covered Most efficient cleaning path?

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266 S$

Icon adapted from Q10 https://www.qoo10.sg/item/GRUNN-GRUNN-ROBOT-VACUUM-CLEANER-I1/

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Two-person hostel room

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1.94m 0.6m 2.3m 3m 1.03m

Normal Design 59.9%

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1.94m 0.6m 2.3m 3m 1.03m

Normal Design 59.9%

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1.94m 0.6m 2.3m 3m 1.03m L=14894.211 A=2775088 C=1112405 P=59.9%

Normal Design

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1.94m 0.6m 2.3m 1.03m 3m L=14894.211 A=2775088 C=1112405 P=59.9%

Normal Design

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1.94m 0.6m 2.3m 3m 1.03m A=1641*1247+649*1065+547*334- 181*549-303*151 =2775088

Normal Design

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1.94m 0.6m 2.3m 1.03m 3m L=14894.211 A=2775088 C=1112405 P=59.9%

Normal Design

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Calculation

C=183*238+514*753+145*312+359*1221+922*215+118*273 =1144619 P=1-(1144619/ 2775088) =0.599146 =59.9%

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1.94m 0.6m 2.3m 3m 1.03m

68.5% Low-cost Design

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Experimental results

1.94m 0.6m 2.3m 3m

59.9%

Normal Design

1.94m 0.6m 2.3m 1.03m

68.5%

Low-cost Design

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Experimental results: 4-person room Normal Design Low-cost Design

293cm 230cm 229cm 133cm

66.3%

231cm 293cm 230cm 229cm 133cm

71.3%

106cm

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Experiment: comparing efficiency

Icon adapted from lazada https://www.lazada.sg/products/ecovacs-deebot-m81-pro-vacuum-cleaning-robo

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90.6% Normal Design

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91.9% Low-cost Design

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90.6%

Normal Design

91.9%

Low-cost Design

Experimental results

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Experimental results

68.5 71.3 91.9

59.9 66.3 90.6

Room 1 Room 2 Room 3

Nomral commercial Low Cost

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Experimental results

266 S$ 529 S$

Estimated cost of operation system

40-50 S$

Cost of Low cost obstacle avoiding system without microchip

2 S$

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Future Work

Gap 1 : Unable to go back to charging station Gap 2: Angle of turning Solution : Magnetic Switch Solution : find average HDB width

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AUTOMATION can be achieved even WITHOUT MICROCHIP.

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Thank You

SHAO YURUI