{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,13]],"date-time":"2025-11-13T07:01:17Z","timestamp":1763017277100,"version":"3.41.2"},"reference-count":19,"publisher":"Emerald","issue":"2","license":[{"start":{"date-parts":[[2013,3,1]],"date-time":"2013-03-01T00:00:00Z","timestamp":1362096000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.emerald.com\/insight\/site-policies"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2013,3,1]]},"abstract":"<jats:sec><jats:title content-type=\"abstract-heading\">Purpose<\/jats:title><jats:p>The purpose of this paper is to evaluate the locomotion performance of all\u2010terrain rovers employing rocker\u2010type suspension system.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Design\/methodology\/approach<\/jats:title><jats:p>In this paper, a robot with advanced mobility features is presented and its locomotion performance is evaluated, following an analytical approach via extensive simulations. The vehicle features an independently controlled four\u2010wheel\u2010drive\/4\u2010wheel\u2010steer architecture and it also employs a passive rocker\u2010type suspension system that improves the ability to traverse uneven terrain. An overview of modeling techniques for rover\u2010like vehicles is introduced. First, a method for formulating a kinematic model of an articulated vehicle is presented. Next, a method for expressing a quasi\u2010static model of forces acting on the robot is described. A modified rocker\u2010type suspension is also proposed that enables wheel camber change, allowing each wheel to keep an upright posture as the suspension conforms to ground unevenness.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Findings<\/jats:title><jats:p>The proposed models can be used to assess the locomotion performance of a mobile robot on rough\u2010terrain for design, control and path planning purposes. The advantage of the rocker\u2010type suspension over conventional spring\u2010type counterparts is demonstrated. The variable camber suspension is shown to be effective in improving a robot's traction and climbing ability.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Research limitations\/implications<\/jats:title><jats:p>The paper can be of great value when studying and optimizing the locomotion performance of mobile robots on rough terrain. These models can be used as a basis for advanced design, control and motion planning.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Originality\/value<\/jats:title><jats:p>The paper describes an analytical approach for the study of the mobility characteristics of vehicles endowed with articulated suspension systems. A variable camber mechanism is also presented.<\/jats:p><\/jats:sec>","DOI":"10.1108\/01439911311297720","type":"journal-article","created":{"date-parts":[[2013,4,23]],"date-time":"2013-04-23T05:30:55Z","timestamp":1366695055000},"page":"121-131","source":"Crossref","is-referenced-by-count":34,"title":["On the mobility of all\u2010terrain rovers"],"prefix":"10.1108","volume":"40","author":[{"given":"Giulio","family":"Reina","sequence":"first","affiliation":[]},{"given":"Mario","family":"Foglia","sequence":"additional","affiliation":[]}],"member":"140","reference":[{"key":"key2022031220201413700_b1","unstructured":"Bickler, D. (1989), US Patent Number 4,840,394 \u2013 Articulated Suspension Systems, US Patent Office, Washington, DC."},{"key":"key2022031220201413700_b2","doi-asserted-by":"crossref","unstructured":"Bickler, D. 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