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- W4317383396 abstract "At present, more and more attention has been paid to the exploration of biped robots. As the precondition of biped stable walking, the state estimation of robot has also received the attention of many experts. Biped robot has special motion characteristics, has a hybrid dynamic system and belongs to a floating base, so it must obtain the contact information of two feet before realizing the motion state estimation of the robot. The contribution of this paper is to introduce soft support vector machine to detect contact phase. This method based on support vector machine (SVM) eliminates the need for force sensors on two feet because they are vulnerable to the impact between the foot and the contact surface. In addition, precise dynamic modeling is not required. Furthermore, this paper uses SVM to obtain the touchdown information, and proposes a state estimation method using extended Kalman filter to combine motion estimation with IMU data. Finally, the touchdown detection algorithm and the state estimation algorithm are verified through experiments, and the accuracy and feasibility of the SVM method are proved through the touchdown detection experiments. Based on this, the full state estimation of the robot is realized through the state estimation experiments." @default.
- W4317383396 created "2023-01-19" @default.
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- W4317383396 date "2022-12-05" @default.
- W4317383396 modified "2023-10-16" @default.
- W4317383396 title "SVM-based Extended Kalman Filter State Estimation of Biped Robot" @default.
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- W4317383396 doi "https://doi.org/10.1109/robio55434.2022.10011886" @default.
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