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| Yuling Yan |
Yuling Yan Associate Scientist |
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| Room MSC 1530 |
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Tel: 608/265-9405 E-mail: yulingyan@facstaff.wisc.edu |
Selected Awards, Honors and Societies
Yuling Yan and Jianzhou Zhang. "The Dynamic Characteristics of Long Span Arch Structures" Journal of Nanjing Institute of Technology, 17(3), (1987) pp.1-13.
Yuling Yan, C. Zhao and A. Zhang. "A Review on the Development of Expert System And Its Application in Engineering" Journal of Nanjing Aeronautical Institute, 20(4) (1988) pp.89-97. (In Chinese)
Shijie Zhu and Yuling Yan, "Solutions to the Problems in Structural Dynamics" Chinese Railway Publisher, (1989) (Monograph, in Chinese)
Yuling Yan and Chunsen Zhao, "The Application of Pattern Recognition in Mechanical Fault Diagnosis" Journal of Vibration, Measurement & Diagnosis, 9(1), (1989) pp. 28-32. (In Chinese)
Yuling Yan and Taro Shimogo, "New Indices in the Sequency Domain and their Application to Condition Monitoring of Mechanical Systems" Mechanical Systems and Signal Processing, 4(4), (1990) pp. 269-277.
Yuling Yan and Taro Shimogo, "The Application of the Haar Transform in Signature Extraction and Condition Monitoring of Mechanical Systems" Trans. of the Japan Society of Mechanical Engineers International J. Ser., 33(2), 1990, pp.191-197.
Yuling Yan and Taro Shimogo. "State Recognition of Vibration Systems Using Pattern Recognition Techniques" Trans. of the Japan Society of Mechanical Engineers. 57-533, (1991) pp. 106-111. (In Japanese)
K. Kumar, O.N. Jha, A. Misra and Y. Yan, "Transverse Elastic Oscillations of Tree-body Tethered Systems" Advances-in-the-Astronautical-Sciences. Vol.76 pt 3. Publ by Univelt Inc, San Diego, CA, USA. Astrodynamics, (1991) pp. 2383-2396.
Y. Yan and A. Misra, "Analysis of the Free Vibrations of N-body Tethered Satellite Systems Using the Transfer Matrix Method" Advances-in-the-Astronautical-Sciences. Vol 79 pt 1. Publ by Univelt Inc, San Diego, CA, USA,(1992) pp. 159-178.
Yuling Yan and Taro Shimogo. "Application of the Impulse Index in Rolling-element Bearing Fault Detection" Mechanical Systems and Signal Processing, 6(1), (1992) pp. 167 - 176.
G. Marriott, T. Jovin and Y. Yan-Marriott. "Synthesis and Spectroscopic Characterization of 1-Bromo-4-(bromoacetyl) naphthalene; A Thiol-Reactive Phosphorescent Probe" Analytical Chem. 66, (1994) pp.1490-1494.
G. Marriott, M. Heidecker, E.P. Diamandis and Y. Yan-Marriott. "Time-resolved Delayed Luminescence Image Microscopy Using an Europium Ion Chelate Complex" Biophysical Journal, 67, (1994) pp.957-963.
M. Heidecker, M., Y. Yan-Marriott and G. Marriott "Proximity Relationships and Structural Dynamics of the Phalloidin Binding Site of F-Actin Filaments in Solution and on Single Actin Filaments on Heavy Meromyosin" Biochemistry 34, (1995) pp.11017-11025.
H. Ohta, N. Oda, Y. Yan, T. Murakami, K. Ohnishi. "Decentralized Control Strategy for Redundant Manipulator Based on Hierarchical Impedance" IEEE-ASME International Conference on Advanced Intelligent Mechatronics, (1997) IEEE Piscataway, NJ, USA. pp. 43.
Y. Yan, T. Yamamoto, K. Ohnishi. " A Distributed Autonomous Control Scheme that Generates Optimal End-effector Trajectories of Redundant Manipulators" International Workshop on Advanced Motion Control (1998) IEEE, Piscataway, NJ, USA. pp. 153-158.
Y. Yan, K. Ohnish, T. Fukuda. "Decentralized Control of Redundant Manipulators: A control scheme that generates a cyclic solution to the inverse problem" IEEE-ASME International Conference on Advanced Intelligent Mechatronics, AIM (1999) pp. 404-409.
K. Nakazono, H. Kinjo, Y. Yan, T. Yamamoto, "Load Swing Suppression of a Crane System by Neuro-Controller Utilizing GA with Rough Evaluation" Trans. of the Japan Society of Mechanical Engineers 65, 2779-2786 (1999) (In Japanese)
W. Sawyer, Chan, R., Eccleston, J, Davidson, B.E., Saifuddin, S. & Y. Yan. "Distances between DNA and ATP binding sites in the TyrR-DNA complex" Biochemistry 39 (2000), pp.5653-5661.
K. Matsumoto, Y. Yan, T. Kinjo, T. Yamamoto, Machine fault diagnosis using a neural network based on autocorrelation coefficients of Wavelet transformed signals. Trans. IEE of Japan, Vol.121-C, No.1, Jan. 2001.
Research Objective
My inter-disciplinary research program borrows concepts and techniques from mechanical, bioengineering and biophysics. My objective is being realized through interdisciplinary research in several fields:
---Development of serpentine robot arms: Serpentine robots, analogous in morphology and operation to snakes, elephant trunks and tentacles, have a very large degree of kinematic redundancy. In robot manipulation, this redundancy may be profitably used to avoid mechanism singularity and obstacles, and to increase dexterity. On the other hand, the control of such robots is complicated mainly because of the one-to-many inverse kinematic mapping. We adopt a novel approach to these studies and have introduced several autonomous motion control schemes each has one or more of the following features: 1), high computational efficiency; 2), fault-tolerance - this is especially important for space applications, deep-sea servicing etc. 3), an approximate cyclic solution to the inverse kinematic problem - this is critical for robots performing repeated operations in a space limited environment. 4), autonomous optimal trajectory generation in PTP (point-to-point) control.
We are also interested in developing muscle-like actuating systems. This will require expertise from numerous multi-disciplinary fields. Recently electroactive polymers (EAPs) are emerging as new actuation materials because of their ability to emulate biological muscles with large actuation strains, toughness and other dynamic properties. However, the force actuation and mechanical energy density are relatively low. The physical, chemical mechanical and dynamic properties of the muscle can be used as guidelines in developing new materials and actuation mechanism.
---Studies on functional structural dynamics in motor protein, myosin II (collaborative project): Muscle is a complex and highly optimized system, the contraction of muscle is powered by chemical energy-driven interactions between two bio-polymers, actin and myosin. Myosin shares similar properties to mechanical motors - it has a chemo-mechanical engine generating distinct structural perturbations that are relayed through the molecule to: a), a converter or hinge region connecting to a long lever arm which is immobilized in a thick filament; and b), to the actin filament binding domain. All motors transform one form of energy into mechanical energy; in muscle, myosin molecules utilize the free energy released from the hydrolysis of ATP to ADP and Pi to do mechanical work, i.e. to move an actin filament by 5 nm within a few milliseconds. The myosin motor has the capability of attaining almost a 100% mechano-chemical efficiency. Knowledge of the structural dynamics of molecular motors may be used to understand the molecular and structural mechanism of motor proteins and to help us learn how they achieve almost perfect efficiency.
---Signal analysis and feature extraction methods for monitoring and diagnosis in mechanical systems and molecular motors: The moving parts of a motor will generate periodic vibration signals that may act as a signature of the motions in the machine. These signals, picked-up at specific sites on the machine, are usually analyzed in time and frequency domains to determine the amplitude and frequency components and possibly to detect any defective components. In myosin, the motions of the motor will correspond to specific conformational transitions of the polypeptide backbone. The motions that underlie myosin function can be recorded using the emission of a fluorescence probe introduced to specific sites in the motor. The frequency spectrum of the fluorescence emission of the probe also contains information on structural motions that occur in a catalytic cycle in the form of characteristic signatures. By conducting fluorescence analysis in the myosin molecule, it will be possible for us to generate a map of the structural dynamics of the motor, to derive the signature of specific structural transitions associated with ATP binding, hydrolysis and product release, and to define functional motions associated with the hinge and lever arm domains.
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Copyright 2003 The Board of Regents of the University of Wisconsin System Date last modified: Friday, 07-Nov-2003 12:20:50 CST Content by: yulingyan@facstaff.wisc.edu Markup by: webmaster@engr.wisc.edu Thank you for visiting! |
