{"number":"US12697730B2","kindCode":"B2","documentType":"grant","title":{"original":"Zero calibration method and related device for robotic arm control","english":"Zero calibration method and related device for robotic arm control"},"abstract":{"original":"A zero calibration method includes: adding, based on a first forward kinematics model of a robotic arm of a robot, zero deviations of each joint to form a second forward kinematics model, and simultaneously solving the second forward kinematics model and the first forward kinematics model to obtain an end deviation function; sending target end pose instructions to the robotic arm in a current zero point situation, and acquiring a spatial deviation of an actual position of an end; inputting position information of each joint angle and the spatial deviation, after each stop of motion of the end,…","english":"A zero calibration method includes: adding, based on a first forward kinematics model of a robotic arm of a robot, zero deviations of each joint to form a second forward kinematics model, and simultaneously solving the second forward kinematics model and the first forward kinematics model to obtain an end deviation function; sending target end pose instructions to the robotic arm in a current zero point situation, and acquiring a spatial deviation of an actual position of an end; inputting position information of each joint angle and the spatial deviation, after each stop of motion of the end,…"},"applicants":["CHINA SOUTHERN POWER GRID TECHNOLOGY CO., LTD."],"inventors":["Yang Wang","Hui Wu","Xiaoming Mai","Xiaoye Zhang","Peixin Li","Guoying Lin","Hao Wu","Jinghui Song","Qi Zeng","Ximeng Zhu","Qijiang Su","Junjie Guo","Ziyang Li","Jin Tan"],"filingDate":"2024-11-12","publicationDate":"2026-08-04","grantDate":"2026-08-04","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12697730B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12697730B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12697730B2","ja":"https://downloadpatent.com/ja/patent/US12697730B2"}}