{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,2]],"date-time":"2025-08-02T19:04:33Z","timestamp":1754161473531,"version":"3.41.2"},"reference-count":64,"publisher":"Emerald","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2010,8,24]]},"abstract":"<jats:sec>\n                  <jats:title>Purpose<\/jats:title>\n                  <jats:p>The purpose of this paper is to describe the use of simple expert systems to improve the performance of tele-operated mobile robots and ultrasonic sensor systems. The expert systems interpret data from the joystick and sensors and identify potentially hazardous situations and then recommend safe courses of action so that tele-operated mobile-robot tasks can be completed more quickly.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Design\/methodology\/approach<\/jats:title>\n                  <jats:p>The speed of a tele-operator in completing progressively more complicated driving tasks is investigated while using a simple expert system. Tele-operators were timed completing a series of tasks using a joystick to control a mobile robot through a simple expert system that assisted them with driving the robot while using ultrasonic sensors to avoid obstacles. They either watched the robot while operating it or sat at a computer and viewed scenes remotely on a screen from a camera mounted on the robot. Tele-operators completed tests with the simple expert system and the sensors connected. The system used an umbilical cable to connect to the robot.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Findings<\/jats:title>\n                  <jats:p>The simple expert systems consistently performed faster than the other systems. Results are compared with the most recently published results and show a significant improvement. In addition, in simple environments, tele-operators performed better without a sensor system to assist them but in more complicated environments than tele-operators performed better with the sensor systems to assist.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Research limitations\/implications<\/jats:title>\n                  <jats:p>Simple expert systems are shown to improve the operation of a tele-operated mobile robot with an obstacle avoidance systems fitted.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Practical implications<\/jats:title>\n                  <jats:p>Tele-operated systems rely heavily on visual feedback and experienced operators. This paper investigates how to make tasks easier. Simple expert systems are shown to improve the operation of a tele-operated mobile robot. The paper also suggests that the amount of sensor support should be varied depending on circumstances.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Originality\/value<\/jats:title>\n                  <jats:p>The simple expert systems are shown in this paper to improve the operation of a tele-operated mobile robot. Tele-operators completed tests with the simple expert system and the sensors connected. The results are compared with a tele-operator driving a mobile robot without any assistance from the expert systems or sensors and they show a significant improvement.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1108\/01439911011063254","type":"journal-article","created":{"date-parts":[[2010,8,21]],"date-time":"2010-08-21T07:15:35Z","timestamp":1282374935000},"page":"431-440","source":"Crossref","is-referenced-by-count":32,"title":["Improving ability of tele-operators to complete progressively more difficult mobile robot paths using simple expert systems and ultrasonic sensors"],"prefix":"10.1108","volume":"37","author":[{"given":"David A.","family":"Sanders","sequence":"first","affiliation":[{"name":"Mechanical and Design Engineering, University of Portsmouth, Portsmouth, UK"}]},{"given":"Jasper","family":"Graham-Jones","sequence":"additional","affiliation":[{"name":"Mechanical and Design Engineering, University of Portsmouth, Portsmouth, UK"}]},{"given":"Alexander","family":"Gegov","sequence":"additional","affiliation":[{"name":"School of Computing, University of Portsmouth, Portsmouth, UK"}]}],"member":"140","reference":[{"issue":"4","key":"2025072819564187100_b1","doi-asserted-by":"crossref","first-page":"824","DOI":"10.1016\/j.jnca.2009.02.001","article-title":"Network fault detection with Wiener filter-based agent","volume":"32","author":"Al-Kasassbeh","year":"2009","journal-title":"Journal of Network and Computer Applications"},{"issue":"4","key":"2025072819564187100_b2","first-page":"580","article-title":"Intelligent browser-based systems to assist internet users","volume":"48","author":"Bergasa-Suso","year":"2005","journal-title":"IEEE Transactions (E\u2009)"},{"issue":"2","key":"2025072819564187100_b3","doi-asserted-by":"crossref","first-page":"103","DOI":"10.1108\/01439910810854584","article-title":"Live demonstrations highlight unmanned vehicle show","volume":"35","author":"Bloss","year":"2008","journal-title":"Industrial Robot"},{"issue":"1","key":"2025072819564187100_b4","doi-asserted-by":"crossref","first-page":"13","DOI":"10.1108\/01439910910924620","article-title":"Latest unmanned vehicle show features both innovative new vehicles and miniaturization","volume":"36","author":"Bloss","year":"2009","journal-title":"Industrial Robot: An International Journal"},{"issue":"6","key":"2025072819564187100_b5","doi-asserted-by":"crossref","first-page":"1437","DOI":"10.1109\/21.61212","article-title":"Tele-autonomous guidance for mobile robots","volume":"20","author":"Borenstein","year":"1990","journal-title":"IEEE Transactions on Systems, Man and Cybernetics"},{"issue":"5","key":"2025072819564187100_b6","doi-asserted-by":"crossref","first-page":"421","DOI":"10.1108\/01439910810893590","article-title":"On-line path planning strategy integrated with collision and dead-lock avoidance schemes for wheeled mobile robot in indoor environments","volume":"35","author":"Chang","year":"2008","journal-title":"Industrial Robot"},{"doi-asserted-by":"crossref","unstructured":"Chester, S.\n          , Tewkesbury, G., Sanders, D. and Salter, P. 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