Application of the principles of strength of materials to the analysis and design of machine parts. Stress and deflection analysis. Curved bars, multi-support shafts, torsion, cylinders under pressure, thermal stresses, creep, and relaxation, rotating disks, fasteners, springs, bearings, gears, brakes and other machine elements are considered. Failure of structural materials under cyclic stress.
Senior design courses. Complete design sequence with a required capstone project spanning two semesters. While the focus is on the capstone disciplinary design experience, it includes the two-credit core module on Engineering Economic Design (E 421) during the first semester.
Senior design courses. Complete design sequence with a required capstone project spanning two semesters. While the focus is on the capstone disciplinary design experience, it includes the two-credit core module on Engineering Economic Design (E 421) during the first semester.
Analysis and synthesis of feedback control systems to achieve specified stability and performance criteria, stability via root-locus techniques, Nyquist's criterion, Bode and Nichol's plots, effect of various control laws and pole-zero compensation on performance, applications to servomechanisms, hydraulic and pneumatic control systems, analysis of nonlinear systems.
Elements of a robotic/flexible automation system; overview of applications; manipulator anatomy; drive systems; end effectors; sensors; computer control: functions, levels of intelligence, motion control, programming and interfacing to sensors and actuators; applications: identification, hardware selection, work cell design, economics, case studies; design of parts and assemblies; advanced topics.
Introduction to state space concepts; state space description of physical systems such as electrical, mechanical, electromechanical, thermal, hydraulic, pneumatic, aerospace, etc. systems. Eigenvalues, eigenvectors and other topics in linear algebra, modal decomposition and other coordination transformations. Relationship between classical transfer function methods and modern state methods. Analysis of linear continuous and discrete time linear systems, solution by state transition matrix, control ability, observability and stability properties; synthesis of linear feedback control systems via pole assignment and stabilizability and performance index minimization. Brief introduction to optimal control, estimation and identification.
Robot path control, dynamics of robot systems, mechanical drive systems; microcomputers, computational architectures, digital control of manipulators; sensors, force and compliance control, vision systems, tactile sensing, range finding and navigation; intelligence and task planning.
Research & Education
Education
Ph.D., Mechanical Engineering, University of Connecticut, 1995
Technical Advisor, Machining Technology Association of the Society of Manufacturing Engineers (MTA/SME). Term:01/01/02-12/31/03
Review committee member, Volume II of Tool and Manufacturing Engineers Handbook. (responsible for 6 Chapters in the handbook to be updated and refreshed, June-November, 2002.)
Chairperson of Session 225: Grinding Controls & Simulation for Improved Efficiency, IMTS 2002 Manufacturing Conference, September 4-11, 2002, Chicago, Illinois. Responsible for identifying and recruiting speakers internationally
Individual Reviewer of Technical Papers for Journals: ASME Journal of Manufacturing Science & Engineering; ASME Journal of Mechanical Design; ASPE Precision Engineering; Machining Science and Technology; International Journal of Machine Tools and Manufacture. Faculty Workshops (organized by the School of Engineering)
Project-Based Learning, Faculty Workshop, March 2002
Workshop on ABET EC2000, November 200
Multidisciplinary Design, Faculty Workshop, by David Ollis, October, 2001
Effective Teaching: A Workshop, by Richard M. Felder, August 1997
Achievements & Professional Societies
Professional Societies
Senior Member of Society of Manufacturing Engineers (SME)
Robotics International (RI)
North American Manufacturing Research Institute (NAMRI)
Machining Technology Association (MTA)
Patents & Inventions
Zhu, Z. and H. Cui, “6-DOF Precision Measurement System,” U.S. Patent 7,040,033, 2006.
Zhu, Z., H. Cui and K. Pochiraju “Flexible Parallel Manipulator for Nano-, Meso- and Macro-Positioning and Manipulations with Multi-degrees of Freedom,” U.S. Patent pending, April, 2005.
Zhu, Z. and X. Liu, “Method and Device for High Speed Electrolytic In-Process Dressing for Ultra-Precision Grinding,” U.S. Patent 6,547,648, 2003.
Grogan, J., et al., “Endovascular Device to Secure a Stent-Graft in an Abdominal Aortic Aneurysm,” U.S. Patent pending, 2005.
Honors & Awards
MTA/SME Best Paper Award, MTA/SME, Oct. 1999. “Innovative approach of electrolytic in-process dressing for high-speed grinding,” SME 3rd International Machining & Grinding Conference, Cincinnati. (SME: Society of Manufacturing Engineers; MTA: Machining Technology Association)
Wallace W. Bowley Creativity Award, University of Connecticut, 1994. “Zero Thermal Expansion Structure Cell for Machine Tool Applications.”
First Class R&D Award, Department of Transportation, China, 1989, 1990. “Laser surface heat treatment of gears.”
Selected Publications
Journals
Zhu, Z. and H. Cui. (2007). "Six-DOF Nanomanipulation Tools for Nanoscale Device Prototyping and Fabrication", Solid State Phenomena, 121-123 823-828.
Zhu, Z., E. Du, and H. Cui. (2006). "Review of Nanomanipulators for Nanomanufacturing", International Journal of Nanomanufacuring, 1 (1), 83-104.
Cui, H., Z. Zhu, Z. Gan, and T. Brogardh. (2005). "Kinematic Analysis and Error Modeling of Tau Parallel Robot", Robotics and Computer Integrated Manufacturing, 21 (6), 497-505.
Zhu, Z., J. Li, Z. Gan, and H. Zhang. (2005). "Kinematic and Dynamic Modeling for Real-time Control of Tau Parallel Robot", Journal of Mechanism and Machine Theory, 40 (9), 1051-1067.
Pan, Z. and Z. Zhu. (2005). "Flexible Full-body Tactile Sensor of Low Cost and Minimal Output Connections for Service Robot", Industrial Robot: An International Journal, 32 (6), 485-491.
Zhu, Z., Q. Tang, J. Li and Z. Gan. (2004). "Calibration of Laser Displacement Sensor Used by Industrial Robot", Optical Engineering, 43 (1), 12-13.
Zhenqi Zhu and Hongliang Cui. (May 2003). "Conflict Definitions and Mistakes in American Industrial Robotics Standard for Static Performance Evaluation", Industrial Robot: An International Journal.
Jun Ni and Zhenqi Zhu.. (2002). "Elastic Tangential Deflection of Machined Surface Interface", Proceedings of the I MECH E Part C: Journal of Mechanical Engineering Science.. 216 (2), 235-242(8).
Jun Ni and Zhenqi Zhu. (2001). "Modeling Of Micro Contact Friction Between Machined Surfaces", ASME Journal of Manufacturing Science & Engineering.. 123 (2), 365-368.
Zhang, Bi; Yang, Fulun; Wang, Jiexin; Zhu, Zhenqi, and, Monahan, R.W.. (2000). "Stock Removal Rate And Workpiece Strength In Multi-Pass Grinding Of Silicon Nitride", International Journal of Materials Processing.. 104 178-184.
Ni, J. and Zhu, Z.. (2000). "Developing A Linear Piezomotor With Nanometer Resolution And High Stiffness", IEEE/ASME Mechatronics.. 5 (4), 441-444.
Monahan, R.W.; Zhang, Bi; Yang, Fulun; Wang, Jiexin; Zhu, Zhenqi.. (2000). "Residual Stress And Damage Effect On Integrity Of Ground Silicon Nitride", Journal of Materials Science. 35 (5), 1115-1124.
Zhang, Bi; Wang, Jiexin; Yang, Fulun; Zhu, Zhenqi. (1999). "Effect Of Machine Stiffness On Grinding Of Silicon Nitride", International Journal of Machine Tools and Manufacture.. 39 (8), 1263-1283.
Zhang, Bi; Zhu, Zhenqi; Yang, Fulun; Monahan, Richard. (1998). "Effect Of Machine Stiffness On Strength Of Ground Silicon Nitride", Trans. of North American Manufacturing Research Institute, v. XXVI.. 2-6.
Conference Proceedings
Cui. H. E. Du and Z. Zhu. (Nov 1-3, 2006). "Study of Fiber-based Nanomanipulators", The 4th International Symposium on Nanomanufacturing (ISNM), MIT.
Zhu, Z. and H. Cui. (Mar 14-16, 2002). "From Imperfection To Innovation – The Path To Innovation For Undergraduate Students", 6th NCIIA (National Collegiate Inventors and Innovators Alliance) Conf., Washington DC. .
Presentation/Meeting
Z. Zhu, X. Liu, and S. Thangam. (2003). "Study Of Foil Electrode For High Speed Electrolytic In-Process Wheel Dressing", Machining Science and Technology, 7 (1), 65-81.
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