Answered: The vacuum cleaner problem is a…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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. The vacuum cleaner problem is a well-known search problem for a vacuum cleaner robot that works on Artificial Intelligence. In this problem to clean up the whole area. In the superficial world, the vacuum cleaner agent has a location sensor and a dirt sensor to know where it is (room A, room B, or any n room) and whether the room is dirty. Also, the robot needs to avoid the obstacle (stool) and find a new path. A possible performance measure is to maximize the number of clean rooms over a certain period.

For this problem, four main conditions should be considered:

in(x,y) means a robot at (x,y)
dirt(x,y) means there is a dirt at(x,y)
facing(d) means the robot is facing direction d, where d ={north, east, south, west} • hit(s) means the robot hits the obstacle s
possible actions the robot can do - turn, forward, suck-dirt, avoid

a) Write possible rules that can be used to perform the room cleaning plan
b) Execute this plan using the PRE-CONDITION, DELETE-LIST and ADD-LIST action schema

c) If each movement will create a +1 path cost, compute the possible path cost for this problem.

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