tailieunhanh - Humanoid Robots Human-like Machines Part 8

Tham khảo tài liệu 'humanoid robots human-like machines part 8', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Vision-based Motion Control of a Biped Robot Using 2 DOF Gaze Control Structure 271 ones. This setting is illustrated in Fig. 9. By this measurement we can know how much the head of a biped robot fluctuates during the motions. The results are shown in Fig. 10 and 11. In both case of HOAP-1 and HOAP-3 the difference of the motions appears as the remarkable difference of the fluctuation of the head. This fact supports our proposed gaze control mechanism which includes motion-dependent pan-tilt command generator in the feedforward controller with database. Furthermore the differences of HOAP-1 and HOAP-3 for same motions are also conspicuous which implies that a desirable pan-tilt angle of a camera for gaze control extremely depends on an individual hardware of a biped robot. In our case in particular we observed that a structural difference of a pressure sensor in the soul of both robots causes the different behavior for both robots. Hence as long as the hardware of a biped robot is developing nowadays we must measure each motion and keep them in a database like our method. Figure 8. The experimental setting of the gaze control during motions Figure 9. The high-speed camera and the biped robot HOAP-3 272 Humanoid Robots Human-like Machines Fig. 12 and 13 show a time response of target displacement in an image and the range of gaze respectively during a step motion. The actual range of gaze is shown in Fig. 14. By using gaze control mechanism we can ensure a double and more area of the range of gaze. Time ms a Stepping b Walking Figure 10. The results of the body swing during stepping walking of HOAP-1 Vision-based Motion Control of a Biped Robot Using 2 DOF Gaze Control Structure 273 a Stepping b Walking Figure 11. The results of the body swing during stepping walking of .

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