digital-brain/content/zettels/stewart_platforms.md

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+++ title = "Stewart Platforms" author = ["Dehaeze Thomas"] draft = false category = "equipment" +++

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Manufacturers

Manufacturers Country
PI Germany
Newport USA
Symetrie France
CSA Engineering USA
Aerotech USA
SmarAct Germany
Gridbots India
Alio Industries USA

Stewart Platforms at ESRF

Beamline Manufacturer Comments
ID11 Symetrie Small, Piezo based
ID31 Symetrie Large Stroke, Encoders, DC motors
ID01 PI
ID16a ESRF Piezo (PI)

Flexure Jointed Stewart Platforms

Papers by J.E. McInroy:

Main advantage of flexure jointed Stewart platforms over conventional (long stroke) ones:

  • Linear behavior
  • Constant Jacobian matrices along all stroke
  • No singularity
  • Easier to decouple the dynamics that works for all the stroke

Bibliography

Chen, Y., and J.E. McInroy. 2004. “Decoupled Control of Flexure-Jointed Hexapods Using Estimated Joint-Space Mass-Inertia Matrix.” Ieee Transactions on Control Systems Technology 12 (3): 41321. doi:10.1109/tcst.2004.824339.
Chen, Yixin, and J.E. McInroy. 2000. “Identification and Decoupling Control of Flexure Jointed Hexapods.” In Proceedings 2000 Icra. Millennium Conference. Ieee International Conference on Robotics and Automation. Symposia Proceedings (Cat. No.00ch37065), nil. doi:10.1109/robot.2000.844878.
Jafari, F., and J.E. McInroy. 2003. “Orthogonal Gough-Stewart Platforms for Micromanipulation.” Ieee Transactions on Robotics and Automation 19 (4). Institute of Electrical and Electronics Engineers (IEEE): 595603. doi:10.1109/tra.2003.814506.
Lin, Haomin, and J.E. McInroy. 2003. “Adaptive Sinusoidal Disturbance Cancellation for Precise Pointing of Stewart Platforms.” Ieee Transactions on Control Systems Technology 11 (2): 26772. doi:10.1109/tcst.2003.809248.
Li, Xiaochun, Jerry C. Hamann, and John E. McInroy. 2001. “Simultaneous Vibration Isolation and Pointing Control of Flexure Jointed Hexapods.” In Smart Structures and Materials 2001: Smart Structures and Integrated Systems, nil. doi:10.1117/12.436521.
McInroy, J.E. 1999. “Dynamic Modeling of Flexure Jointed Hexapods for Control Purposes.” In Proceedings of the 1999 Ieee International Conference on Control Applications (Cat. No.99ch36328), nil. doi:10.1109/cca.1999.806694.
———. 2002. “Modeling and Design of Flexure Jointed Stewart Platforms for Control Purposes.” Ieee/Asme Transactions on Mechatronics 7 (1): 9599. doi:10.1109/3516.990892.
McInroy, J.E., and J.C. Hamann. 2000. “Design and Control of Flexure Jointed Hexapods.” Ieee Transactions on Robotics and Automation 16 (4): 37281. doi:10.1109/70.864229.
McInroy, J.E., J.F. OBrien, and G.W. Neat. 1999. “Precise, Fault-Tolerant Pointing Using a Stewart Platform.” Ieee/Asme Transactions on Mechatronics 4 (1): 9195. doi:10.1109/3516.752089.
OBrien, J.F., J.E. McInroy, D. Bodtke, M. Bruch, and J.C. Hamann. 1998. “Lessons Learned in Nonlinear Systems and Flexible Robots through Experiments on a 6 Legged Platform.” In Proceedings of the 1998 American Control Conference. Acc (Ieee Cat. No.98ch36207), nil. doi:10.1109/acc.1998.703532.