2019
|
12. | | M. Omidbeike; A. A. Eielsen; Y. K. Yong; A. J. Fleming Multivariable Model-less Feedforward Control of a Monolithic Nanopositioning Stage With FIR Filter Inversion Proceedings Article In: International Conference on Manipulation, Automation and Robotics at Small Scales (MARSS), Helsinki, Finland, 2019, ISSN: 978-1-7281-0948-0. @inproceedings{C19d,
title = {Multivariable Model-less Feedforward Control of a Monolithic Nanopositioning Stage With FIR Filter Inversion},
author = {M. Omidbeike and A. A. Eielsen and Y. K. Yong and A. J. Fleming },
url = {https://www.precisionmechatronicslab.com/wp-content/uploads/2021/02/C19d.pdf},
doi = {10.1109/MARSS.2019.8860974},
issn = {978-1-7281-0948-0},
year = {2019},
date = {2019-07-02},
booktitle = {International Conference on Manipulation, Automation and Robotics at Small Scales (MARSS)},
address = {Helsinki, Finland},
abstract = {A model-less approach for inversion of the dynamics of multivariable systems using FIR filters is described. Inversion-based feedforward techniques have been widely used in the literature to achieve high-performance output tracking. The foremost difficulties associated with plant inversions are model uncertainties and non-minimum phase zeros. Various model-based methods have been proposed to exclude nonminimum phase zeros when inverting both single-input and single-output (SISO), and multiple-input and multiple-output (MIMO) systems. However, these methods increase the model uncertainty as they are no longer exact. To overcome these difficulties a model-less approach using FIR filters is presented. The results when applying the feedforward FIR filter to a multivariable nanopositioning system is presented, and they demonstrate the effectiveness of the feedforward technique in reducing the cross-coupling and achieving significantly improved output tracking.},
keywords = {Nanopositioning, Tracking Control, Vibration Control},
pubstate = {published},
tppubtype = {inproceedings}
}
A model-less approach for inversion of the dynamics of multivariable systems using FIR filters is described. Inversion-based feedforward techniques have been widely used in the literature to achieve high-performance output tracking. The foremost difficulties associated with plant inversions are model uncertainties and non-minimum phase zeros. Various model-based methods have been proposed to exclude nonminimum phase zeros when inverting both single-input and single-output (SISO), and multiple-input and multiple-output (MIMO) systems. However, these methods increase the model uncertainty as they are no longer exact. To overcome these difficulties a model-less approach using FIR filters is presented. The results when applying the feedforward FIR filter to a multivariable nanopositioning system is presented, and they demonstrate the effectiveness of the feedforward technique in reducing the cross-coupling and achieving significantly improved output tracking. |
11. | | M. G. Ruppert; B. S. Routley; A. J. Fleming; Y. K. Yong; G. E. Fantner Model-based Q Factor Control for Photothermally Excited Microcantilevers Proceedings Article In: Int. Conference on Manipulation, Automation and Robotics at Small Scales (MARSS), Helsinki, Finland, 2019, ISSN: 978-1-7281-0948-0. @inproceedings{Ruppert2019,
title = {Model-based Q Factor Control for Photothermally Excited Microcantilevers},
author = {M. G. Ruppert and B. S. Routley and A. J. Fleming and Y. K. Yong and G. E. Fantner},
url = {https://www.precisionmechatronicslab.com/wp-content/uploads/2021/02/C19b.pdf},
doi = {10.1109/MARSS.2019.8860969},
issn = {978-1-7281-0948-0},
year = {2019},
date = {2019-07-01},
booktitle = {Int. Conference on Manipulation, Automation and Robotics at Small Scales (MARSS)},
address = {Helsinki, Finland},
abstract = {Photothermal excitation of the cantilever for dynamic atomic force microscopy (AFM) modes is an attractive actuation method as it provides clean cantilever actuation leading to well-defined frequency responses. Unlike conventional piezo-acoustic excitation of the cantilever, it allows for model-based quality (Q) factor control in order to increase the cantilever tracking bandwidth for tapping-mode AFM or to reduce resonant ringing for high-speed photothermal offresonance tapping (PORT) in ambient conditions. In this work, we present system identification, controller design and experimental results on controlling the Q factor of a photothermally driven cantilever. The work is expected to lay the groundwork for future implementations for high-speed PORT imaging in ambient conditions.},
keywords = {AFM, Multifrequency AFM, Sensors, Smart Structures, SPM, Vibration Control},
pubstate = {published},
tppubtype = {inproceedings}
}
Photothermal excitation of the cantilever for dynamic atomic force microscopy (AFM) modes is an attractive actuation method as it provides clean cantilever actuation leading to well-defined frequency responses. Unlike conventional piezo-acoustic excitation of the cantilever, it allows for model-based quality (Q) factor control in order to increase the cantilever tracking bandwidth for tapping-mode AFM or to reduce resonant ringing for high-speed photothermal offresonance tapping (PORT) in ambient conditions. In this work, we present system identification, controller design and experimental results on controlling the Q factor of a photothermally driven cantilever. The work is expected to lay the groundwork for future implementations for high-speed PORT imaging in ambient conditions. |
2006
|
10. | | D. Niederberger; S. Behrens; A. J. Fleming; S. O. R. Moheimani; M. Morari Adaptive electromagnetic shunt damping Journal Article In: IEEE/ASME Transactions on Mechatronics, vol. 11, no. 1, pp. 103–108, 2006. @article{J06c,
title = {Adaptive electromagnetic shunt damping},
author = {D. Niederberger and S. Behrens and A. J. Fleming and S. O. R. Moheimani and M. Morari},
url = {https://www.precisionmechatronicslab.com/wp-content/publications/J06c.pdf},
year = {2006},
date = {2006-12-01},
journal = {IEEE/ASME Transactions on Mechatronics},
volume = {11},
number = {1},
pages = {103--108},
keywords = {Vibration Control},
pubstate = {published},
tppubtype = {article}
}
|
9. | | A. J. Fleming; S. Behrens; S. O. R. Moheimani Inertial vibration control using a shunted electromagnetic transducer Journal Article In: IEEE/ASME Transactions on Mechatronics, vol. 11, no. 1, pp. 84–92, 2006. @article{J06a,
title = {Inertial vibration control using a shunted electromagnetic transducer},
author = {A. J. Fleming and S. Behrens and S. O. R. Moheimani},
url = {https://www.precisionmechatronicslab.com/wp-content/publications/J06a.pdf},
year = {2006},
date = {2006-12-01},
journal = {IEEE/ASME Transactions on Mechatronics},
volume = {11},
number = {1},
pages = {84--92},
keywords = {Vibration Control},
pubstate = {published},
tppubtype = {article}
}
|
2005
|
8. | | S. Behrens; A. J. Fleming; S. O. R. Moheimani Passive vibration control via electromagnetic shunt damping Journal Article In: IEEE/ASME Transactions on Mechatronics, vol. 10, no. 1, pp. 118–122, 2005. @article{J05b,
title = {Passive vibration control via electromagnetic shunt damping},
author = {S. Behrens and A. J. Fleming and S. O. R. Moheimani},
url = {https://www.precisionmechatronicslab.com/wp-content/publications/J05b.pdf},
year = {2005},
date = {2005-12-01},
journal = {IEEE/ASME Transactions on Mechatronics},
volume = {10},
number = {1},
pages = {118--122},
keywords = {Vibration Control},
pubstate = {published},
tppubtype = {article}
}
|
7. | | A. J. Fleming; S. Behrens; S. O. R. Moheimani Synthesis and implementation of sensor-less active shunt controllers for electromagnetically actuated systems Journal Article In: IEEE Transactions on Control Systems Technology, vol. 13, no. 2, pp. 246–261, 2005. @article{J05a,
title = {Synthesis and implementation of sensor-less active shunt controllers for electromagnetically actuated systems},
author = {A. J. Fleming and S. Behrens and S. O. R. Moheimani},
url = {https://www.precisionmechatronicslab.com/wp-content/publications/J05a.pdf},
year = {2005},
date = {2005-12-01},
journal = {IEEE Transactions on Control Systems Technology},
volume = {13},
number = {2},
pages = {246--261},
keywords = {Vibration Control},
pubstate = {published},
tppubtype = {article}
}
|
6. | | A. J. Fleming; S. O. R. Moheimani Proof-mass inertial vibration control using a shunted electromagnetic transducer Proceedings Article In: Proc. IFAC World Congress, Prague, Czech Republic, 2005. @inproceedings{C05a,
title = {Proof-mass inertial vibration control using a shunted electromagnetic transducer},
author = {A. J. Fleming and S. O. R. Moheimani},
url = {https://www.precisionmechatronicslab.com/wp-content/publications/C05a.pdf},
year = {2005},
date = {2005-01-01},
booktitle = {Proc. IFAC World Congress},
address = {Prague, Czech Republic},
keywords = {Vibration Control},
pubstate = {published},
tppubtype = {inproceedings}
}
|
2004
|
5. | | S. Behrens; A. J. Fleming; S. O. R. Moheimani Control orientated synthesis of electromagnetic shunt impedances for vibration isolation Proceedings Article In: Proc. IFAC Symposium on Mechatronic Systems, Sydney, Australia, 2004. @inproceedings{C04d,
title = {Control orientated synthesis of electromagnetic shunt impedances for vibration isolation},
author = {S. Behrens and A. J. Fleming and S. O. R. Moheimani},
url = {https://www.precisionmechatronicslab.com/wp-content/publications/C04d.pdf},
year = {2004},
date = {2004-01-01},
booktitle = {Proc. IFAC Symposium on Mechatronic Systems},
address = {Sydney, Australia},
keywords = {Vibration Control},
pubstate = {published},
tppubtype = {inproceedings}
}
|
4. | | S. Behrens; A. J. Fleming; S. O. R. Moheimani Vibration isolation using a shunted electromagnetic transducer Proceedings Article In: Proc. SPIE Symposium on Smart Structures & Materials -- Damping and Isolation, San Diego, CA, 2004. @inproceedings{D04a,
title = {Vibration isolation using a shunted electromagnetic transducer},
author = {S. Behrens and A. J. Fleming and S. O. R. Moheimani},
url = {https://www.precisionmechatronicslab.com/wp-content/publications/D04a.pdf},
year = {2004},
date = {2004-01-01},
booktitle = {Proc. SPIE Symposium on Smart Structures & Materials -- Damping and Isolation},
address = {San Diego, CA},
keywords = {Vibration Control},
pubstate = {published},
tppubtype = {inproceedings}
}
|
2003
|
3. | | A. J. Fleming; S. O. R. Moheimani Active H₂ and H[subscript infinity] shunt control of electromagnetic transducers Proceedings Article In: Proc. IEEE Conference on Decision and Control, Maui, HI, 2003. @inproceedings{C03a,
title = {Active H₂ and H[subscript infinity] shunt control of electromagnetic transducers},
author = {A. J. Fleming and S. O. R. Moheimani},
url = {https://www.precisionmechatronicslab.com/wp-content/publications/C03a.pdf},
year = {2003},
date = {2003-01-01},
booktitle = {Proc. IEEE Conference on Decision and Control},
address = {Maui, HI},
keywords = {Vibration Control},
pubstate = {published},
tppubtype = {inproceedings}
}
|
2. | | S. Behrens; A. J. Fleming; S. O. R. Moheimani Electrodynamic vibration suppression Proceedings Article In: Proc. SPIE Symposium on Smart Structures & Materials -- Damping and Isolation, San Diego, CA, 2003. @inproceedings{D03d,
title = {Electrodynamic vibration suppression},
author = {S. Behrens and A. J. Fleming and S. O. R. Moheimani},
url = {https://www.precisionmechatronicslab.com/wp-content/publications/D03d.pdf},
year = {2003},
date = {2003-01-01},
booktitle = {Proc. SPIE Symposium on Smart Structures & Materials -- Damping and Isolation},
address = {San Diego, CA},
keywords = {Vibration Control},
pubstate = {published},
tppubtype = {inproceedings}
}
|
1. | | S. Behrens; A. J. Fleming; S. O. R. Moheimani Electromagnetic shunt damping Proceedings Article In: Proc. IEEE/ASME Confernece on Advanced Intelligent Mechatronics, Kobe, Japan, 2003. @inproceedings{C03b,
title = {Electromagnetic shunt damping},
author = {S. Behrens and A. J. Fleming and S. O. R. Moheimani},
url = {https://www.precisionmechatronicslab.com/wp-content/publications/C03b.pdf},
year = {2003},
date = {2003-01-01},
booktitle = {Proc. IEEE/ASME Confernece on Advanced Intelligent Mechatronics},
address = {Kobe, Japan},
keywords = {Vibration Control},
pubstate = {published},
tppubtype = {inproceedings}
}
|