Human following smart trolley

Award (graduate expo 3-prize)

Abstract

• In this project we tried to accomplish an semi-automatic or smart trolley system which requires a minute manual work but can carry any amount of weight based on the battery backup , motor’s torque and speed. Smart Trolley system works with help of Arduino and other sensors which are used to identify the presence of a user. Arduino is the main programmable part and draw wire sensor is the main sensor that would detect the user’s position with respect to trolley. Remaining sensors like ultrasonic and pir are used to detect the user’s position without any contact between the user and the trolley.

Objectives

Objective-1:

• To design an economically feasible and accurate draw wire sensor which can measure the amount of wire that is pulled from it.

Objective-2:

• To design a system that would detect the presence of angular displacement between the trolley’s y-axis and the user’s y-axis by taking the robot’s y-axis as reference.

Objective-3:

• To design a custom-made motor driving circuit using relays.

Objective-4:

• To make use of draw-wire sensor and angular displacement presence detecting system and custom-made motor driving circuit using relay module in efficiently finding the users actual position with respect to trolley in semi-automatic manner

Objective-5: add-on

• To make use of ultrasonic and PIR sensor in efficiently finding the users actual position with respect to trolley in an automatic manner.

Block diagram

Draw-wire sensor

Equipment used to make draw wire sensor

Flow of experimental work done in designing draw wire sensor

Angular displacement presence- detecting

system

Equipment used to make Angular displacement presence-

detecting system

Flow of experimental work done in designing a Angular

displacement presence- detecting system

custom-made motor driving circuit using

relays

Equipment used to make custom-made motor driving

circuit using relays

Flow of experimental work done in designing custom-made

motor driving circuit using relays

Interfacing motors and various custom made sensors with arduino to make a semi-

automatic human following trolley

Flow of experimental work done in designing a semi-

automatic trolley using custom made sensors

Interfacing ultrasonic and pir sensors with arduino

to make a automatic human following trolley

Flow of experimental work done in designing a automatic trolley

using pir and ultrasonic sensors

Feature scope-1

Feature scope-2

Feature scope-3

Feature scope-4

Feature scope-5

Feature scope-6