4.1 ESTABLISHING FUNCTION

ACTIVITY
Team X	Functions from User Perspective	Functions from Designer perspective
	Serves the hygienic food	User friendly and Easy to use
	Every work is done by machine	Analyse the data sent
	Dispense the required food within the time	Cost effective, Eco friendly
	Indication of processing	Mechanism for achieving it
		Accept only one order each time
		Displaying of the food items details ,internal food processing
		Usage of sensors wherever required
		Sound interaction, POP up ,light signal, mobile notification.
		Smooth functioning of the bot
		Dispense the food within time alloted
		Quantity, quality, ingredient specifications in it
		Manual operation, AI operated, Arduino based operation
		Light Weight and compact size
		No use of harmful chemicals.
		Machine interactive.

4.2 FUNCTION TREE

Serial No.	Subfunctions	Means 3	Means 4
1. Motion of the bot	Spiral based, Roller based ,Tray based	-	-
2. Indication oof steps	led light ,pop up sound, display on screen, Audio		-
3 .Material used	Acrylic sheets, Wooden blocks, Stainless steel , Cardboard based
4.Mode of operation	Manually , arduino based , gravity pull, automatic(ai)
5.Actuatur used:	Stepper motor, DC motor, Servo motor		-
6.Power supply:	Electric current(AC supply), Battery(DC supply), Generator


	Activity 4 - Selection of means for each concepts
Subfunctions	Concept 1	Concept 2	Concept 3	Concept 4
Motion of the bot	Spiral	Roller	Tray based
Indication of steps	LED light	Pop up sound	displaying on screen	audio
Materials used	Acryl sheet	Foam sheet	Carbon sheet	Cardboard based
Mode of operation	Manually	Arduino based	Semiautomatic	Automatic
Actuator used	DC motor	Stepper motor	Servo motor
Sensors Used	IR sensor	PIR sensor	Ultra sensor