Dr. Suresh Reddy: Engineering Leader in Mechanical Systems & Applications

Mechanical Systems & Applications

Mechanical System dynamics, structural analysis, noise reduction

Hydraulics: Injection Molding

Relevant Experience at GE, CAT, MIT, IIT:

Structural design/dynamic analysis:

• Structural/dynamic analysis and design improvement concepts for (now Lockheed Martin) Martin Marietta's SCAMP (Single-Channel Anti-jam Man-Portable) satellite terminal I and II, involving light weight compact designs, stability in high winds and use of harmonic drives for high gear reductions (GE)

• Bachelor's thesis (IIT): Numerical methods for structural analysis under non-conservative follower forces

Noise control/reduction:

• design improvements and validation for over the range microwave oven vent fan for noise reduction

• Active noise control (under control systems - separate link)

Dynamic/performance system model developments:

• Injection molding hydraulics models (used for control - )

• Rotor dynamics with magnetic bearings/suspension model (used for control - )

• Locomotive suspension and wheel/rail traction dynamics modeling (see vehicle dynamics and control link)

• Mining truck suspension and traction dynamics/performance modeling (see vehicle dynamics and control link)

Suspension and Wheel/Rail Traction Dynamics/Performance: Locomotives

[Separate link for Vehicle Dynamics ]

Areas of Experience and Expertise

• System Dynamics

• Vehicle suspension dynamics

• Rail wheel/rail contact theory modeling

• Robot manipulator kinematics and dynamics

• Hydraulic system dynamics

• Mechanical/structural analysis and design

• Thermodynamics, heat transfer and fluid mechanics

• Internal combustion engines modeling and control

• Cooling systems analysis, design and control

• Noise reduction (passive and active)

• Modeling and simulation of Mechanical systems

Key R&D Experience (at GE, Caterpillar Inc, MIT, IIT)

Rotor Dynamics with Magnetic Bearings

Suspension & Traction Dynamics/Performance: Mining Trucks

Over the Range Microwave oven vent fan (noise reduction)

SCAMP (Single-Channel Anti-Jam Man Portable) terminal (structural/dynamic analysis)

Images of industries and products used are illustrative of Dr Reddy's research and development in various companies - they are meant to be illustrative, but not necessarily identical

Sources of images of products:

SCAMP terminal - Sat News (Rockwell Collins product - illustrative); Over the range microwave oven - Warnersstellian.com (illustrative); vent fan blower - Samsung parts (illustrative); Beam with follower forces - self prepared; Injection molding hydraulics illustration: US Patent 6,430,466; Turbomolecular pump - MIT work/photo under Ebara grant/permission; Rotor under magnetic bearings - M.I.T. Ph.D. Thesis; GE locomotive - Model from katousa; GE Locomotive truck/bogie - renderhub.com (high ad truck); Mining truck generic - 3dhorse.com

Relevant Academic Publications

1. Journal of ASME Dynamic Systems, Measurement, and Control, “Dynamic analysis and control of high speed and high precision active magnetic bearings”, 1992

2. ASME Winter Annual Meeting, “Stability analysis of time delay control with application to high speed magnetic bearings”, 1990

3. Second International Symposium on Magnetic Bearings, “A Digital Time Delay Controller for Active Magnetic Bearings”, 1990

Relevant Patent Grants

1. US7918296B2 “Cooling system for an electric drive machine and method”, Caterpillar Inc, Granted: April 5, 2011; Filed: Sept 15, 2008

2. US6507789B1 “Gear transmission condition monitoring method and apparatus”, General Electric Company, Granted: Jan 14, 2003; Filed: July 18, 2000

3. US6430466B1 “System for controlling clamp pressure in an automatic molding machine”, General Electric Company, Granted: Aug 6, 2002; Filed: Aug 23, 1999

4. US6250904B1 “Closed loop control of roll speeds in plastics sheet extrusion”, General Electric Company, Granted: June 26, 2001; Filed: Feb 22, 1999

5. US6449564B1 “Apparatus and method for monitoring shaft cracking or incipient pinion slip in a geared system”, General Electric Company, Granted: Sept 10, 2002; Filed: Nov 23, 1998

Relevant Individual Awards

IIT Kharagpur - Best Paper Award - Mech Eng (1985)