Architectural issues for integration of sensing and acting modalities

Henry Hexmoor, Cesar Bandera

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

The goals of this paper are twofold. First, we present our experiences with (1) fusion of vision, sonar, and contact sensory modalities in perceiving obstacles and targets, (2) arbitration of sensing and acting at reactive and deliberative levels, and (3) integration of asynchronous instruction taking and communication. Following a discussion of lessons learned we discuss architectural modules and issues that help standardize integration of sensor and acting modalities and solution across platforms. We have developed a robot assistant, which communicates in natural language and moves in a room using vision as its primary sensory mechanism. This system takes instruction from a supervisor to go to various agents in the room and follow them along to offer assistance. Our assistant uses a three tiered architecture which models: (a) knowledge representation and reasoning including natural language interactions, (b) routine interactions not explicitly controlled by the agent, and (c) reflexes. Our robotic assistant integrates (a) vision and sonar sensing in obstacle avoidance, (b) memory-based and reactive navigation (i.e., deliberative versus skill-based), (c) instruction taking and goal-driven behaviors, and (d) concurrent visual focusing behaviors.

Original languageEnglish (US)
Title of host publicationIEEE International Symposium on Intelligent Control - Proceedings
PublisherIEEE
Pages319-324
Number of pages6
StatePublished - Dec 1 1998
Externally publishedYes
EventProceedings of the 1998 IEEE International Symposium on Intelligent Control, ISIC - Gaithersburg, MD, USA
Duration: Sep 14 1998Sep 17 1998

Other

OtherProceedings of the 1998 IEEE International Symposium on Intelligent Control, ISIC
CityGaithersburg, MD, USA
Period9/14/989/17/98

All Science Journal Classification (ASJC) codes

  • Hardware and Architecture
  • Control and Systems Engineering

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