{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,21]],"date-time":"2025-11-21T17:16:29Z","timestamp":1763745389537,"version":"3.45.0"},"reference-count":24,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2025,5,19]],"date-time":"2025-05-19T00:00:00Z","timestamp":1747612800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Field Robotics"],"published-print":{"date-parts":[[2025,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Obstacle avoidance (OA) is an important issue in the motion planning of redundant robot manipulators. Various effective OA schemes have been reported, but they may suffer from a large amount of calculation for the situation of multiple obstacles and\/or complex\u2010shaped obstacles. In this paper, to address the aforementioned limitation, a new OA scheme with dimensionality reduction is proposed and studied for redundant robot manipulators. Specifically, by combining robot kinematics and geometry, a typical inequality criterion for OA is designed, which can reduce the calculation for an obstacle point from the general three dimensions to one dimension. Such an inequality criterion is further aided by (1) the dynamic selection for the situation of a large number of obstacle points, and (2) the feature extraction for the situation of complex\u2010shaped obstacles. With the OA environment optimized and the obstacles' dimension limited, the computational efficiency of generating the inequality criterion for specific scenarios can thus be improved. By incorporating the inequality criterion and the joint physical constraint, the new dimensionality\u2010reduction OA (DROA) scheme is developed for redundant robot manipulators. Such a DROA scheme is depicted as a quadratic program that is solved by the reinforcement learning method. Simulation and experiment results under the PA10 robot manipulator verify the efficacy and applicability of the proposed DROA scheme.<\/jats:p>","DOI":"10.1002\/rob.22594","type":"journal-article","created":{"date-parts":[[2025,5,19]],"date-time":"2025-05-19T03:04:50Z","timestamp":1747623890000},"page":"3694-3704","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Design and Analysis of New Obstacle Avoidance Scheme With Dimensionality Reduction for Motion Planning of Redundant Robot Manipulators"],"prefix":"10.1002","volume":"42","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1700-1996","authenticated-orcid":false,"given":"Dongsheng","family":"Guo","sequence":"first","affiliation":[{"name":"School of Information and Communication Engineering Hainan University Haikou Hainan China"}]},{"given":"Qu","family":"Li","sequence":"additional","affiliation":[{"name":"School of Information and Communication Engineering Hainan University Haikou Hainan China"}]},{"given":"Naimeng","family":"Cang","sequence":"additional","affiliation":[{"name":"School of Information and Communication Engineering Hainan University Haikou Hainan China"}]},{"given":"Yilin","family":"Yu","sequence":"additional","affiliation":[{"name":"School of Information and Communication Engineering Hainan University Haikou Hainan China"}]},{"given":"Weidong","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Information and Communication Engineering Hainan University Haikou Hainan China"}]},{"given":"Weibing","family":"Li","sequence":"additional","affiliation":[{"name":"School of Computer Science and Engineering Sun Yat\u2010sen University Guangzhou 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