02. PROBLEM DEFINITION - B-division-2019-2020-odd/Repo-12 GitHub Wiki

QUESTIONS ANSWER OBJECTIVE FUNCTION CONSTRAINT
How much can it cost? about 4000/- - - YES
What is the mode of operation? Automatic - YES -
What is the size of the system? 55cm35cm40cm(approx.) YES - -
What is the set up of machine? Portable YES - -
What is the minimum weight of the machine about 800 grams - - YES
What are the features to be expected? Displays items - YES -
Is it safe to use? Yes YES - -
Is the machine provided with packing system YES YES - -

PAIRWISE COMPARISON CHART

OBJECTIVES SAFETY AFFORDABLE PORTABLE AUTOMATIC SCORE
SAFETY - 1 1 1 3
AUTOMATIC 0 - 1 1 2
PORTABLE 0 0 - 1 1
AFFORDABLE 0 0 0 - 0

RANKING OBJECTIVES

  • Safety
  • Automatic
  • Portable
  • Affordable
  • Packing system

Problem definition version 1.1

A Vending machine for vending spices namely mustard seeds and corriander seeds must be safer to use, affordable, portable and automatic and with packing system for packing dispensed items.

IDENTIFYING CONSTRAINTS

  • Should not cost more than Rs 4000
  • Should weigh about 800 grams.
  • Machine dispenses 2 items(mustard seeds and corriander seeds).
  • Only one item must be dispensed at a time.

Problem definition version 1.2

A Vending machine for vending mustard seeds and corriander seeds must be automatic, portable, affordable and safer for use. The machine dispenses mustard seeds and corriander seeds (any one at a time) and are then packed in cups using conveyer belt(packing system).The machine costs at most Rs 4000, having capacity to bear a weight of 800 g.

ESTABLISHING FUNCTIONS

  • Detect and identify item choosen.
  • Send the data to micro-controller on clicking desired item button which is connected through bluetooth.
  • Dispense choosen item.
  • Pack dispensed item.

Problem definition version 1.3

A Vending machine for vending mustard seeds and corriander seeds must be automatic, portable, affordable and safer to use. The cost of machine must be at most Rs 4000/-, must weigh 800 g. The machine must detect choosen item from the user,must dispense choosen item. Pack the item in cups using conveyer belt.