Abstract
This paper investigates the sensitivity of the task space tracking errors to null space tracking errors in the face of model uncertainties for several operational space controllers (OSCs). Under the same inaccurate robot model and digital control effects, experimental data on different OSCs indicated that the sensitivity of task space performance to its null space controller varies for different OSCs based on the way the controllers make use of the inaccurate robot model. Analysis of the error equations of different OSCs reveal several reasons of why some OSCs can give better performance than others. Also from the discussion, it is suggested that the inaccurate model should be used in joint space rather than in task space to avoid magnifying the model uncertainties through the kinematic chain.
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References
Nakamura, Y.: Advanced robotics: Redundancy and Optimization. Addison-Wesley series in electrical and computer engineering. Control engineering, xi, 337 p. Addison-Wesley Pub. Co. (1991)
Hollerbach, J., Ki, S.: Redundancy resolution of manipulators through torque optimization. IEEE Journal of Robotics and Automation 3(4) (1987)
Ping, H., Hauser, J., Sastry, S.: Dynamic control of redundant manipulators. Journal of Robotic Systems 6(2), 133–148 (1989)
Khatib, O.: A unified approach for motion and force control of robot manipulators: the operational space formulation. IEEE Journal of Robotics and Automation RA-3(1), 43–53 (1987)
Nakanishi, J., et al.: Operational space control: A theoretical and empirical comparison. International Journal of Robotics Research 27(6) (2008)
Vuong, N.D., et al.: Multi-rate operational space control of compliant motion in robotic manipulators. In: 2009 IEEE International Conference on Systems, Man and Cybernetics. IEEE, San Antonio (2009)
Sentis, L.: Synthesis and control of whole-body behaviors in humanoid systems. PhD Thesis, Stanford University Stanford, CA, US (2007)
Sentis, L., Khatib, O.: Synthesis of whole-body behaviors through hierarchical control of behavioral primitives. International Journal of Humanoid Robotics 2(4), 505–518 (2005)
Vuong, N.D., et al.: An Analysis of the Operational Space Control of Robots. In: IEEE ICRA, pp. 4163–4168 (2010)
Peters, J., et al.: A unifying framework for robot control with redundant DOFs. Autonomous Robots 24(1), 1–12 (2008)
Liegeois, A.: Automatic Supervisory Control of the Configuration and Behavior of Multibody Mechanisms. IEEE Transactions on Systems, Man and Cybernetics 7(12) (1977)
Hsu, P., Mauser, J., Sastry, S.: Dynamic control of redundant manipulators. Journal of Robotic Systems 6(2) (1989)
Yoshida, K., et al.: When is the set of base parameter values physically impossible? IEEE, Piscataway (1994)
Vuong, N.D., Ang Jr., M.H.: Dynamic Model Identification for Industrial Robots. Acta Polytechnica Hungarica 6(5) (2009)
Qu, Z., Dawson, D.M.: Robust Tracking Control of Robot Manipulators. IEEE Press (1996)
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Vuong, N.D., Ma, C., Ang, M.H. (2014). Sensitivity of Task Space Performance to Null Space Control in Presence of Model Uncertainties. In: Khatib, O., Kumar, V., Sukhatme, G. (eds) Experimental Robotics. Springer Tracts in Advanced Robotics, vol 79. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-28572-1_64
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DOI: https://doi.org/10.1007/978-3-642-28572-1_64
Publisher Name: Springer, Berlin, Heidelberg
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