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Contact Info:
Tell
Engineering
581 Old Hwy 8 NW
New Brighton MN
55112
____________________
Phone: 763-226-6531
Fax:
651-636-4211
Email: Larry@tellengineering.com
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Profile
Overview: Senior
Software and Electronic engineer with extensive management
experience. Hands on design and management experience in
electronics, PCB Layout, data acquisition, embedded real time
software, firmware, drivers and electronics. Experienced in
applications including aerospace, video, switchgear, and rotating
machines.
Certifications:|
National
Instruments Certified Software Developer, LabWindows\CVI
(September 2007)
National Instruments Certified Professional
Instructor, LabWindows\CVI (October 2007)
Computer
competencies: C,
C++, VxWorks, National Instruments Labwindows/CVI, National
Instruments Lookout, Embedded processor C++, C and assembly
language, DeviceNet (CAN Bus), LabView, Visual Basic, Visual C++,
MS Office, Basic, DOS.
Education:
BSEE
University of Minnesota, 1969
Several classes, seminars etc.
including a recent U of M class on micromachines
Patents:
Two patents for transfer switches and bypass switches, one patent
for encoding data in video content.
Experience:
Consultant,
Sept
1998
to Present
Current
projects and Activities
Modbus
TCP Product development
LabWindows
CVI Instructor For National Instruments
Support
for Medical product using PIC processor, RF communication to PC
and LabWindows CVI program on PC.
Airflow
design consultant for Jet Engine test cell manufacturer.
Support
and maintain and upgrade Spindle (machine tool) error motion
analysis software in Labwindows CVI. Product includes extensive
use of IEEE 1451.4 TEDS.
Completed
projects
Ice
Thickness instrument based on PIC18F with USB to PC program to
collect and report data.
Marine engine test monitor
software.
Added Cellular modem and Smart Card Reader to a
medical product for a local firm. Wrote all using Microchip PIC
processors (completed December 2005).
Software to Measure
and Analyze large electric motor Torque and related performance
during design and production test.
Additions to Firmware
for Heavy Equipment joystick controller using Atmel processors
(completed April 2005).
Firmware for companion product to
Ammonia Leak Detector (Microchip Processor).
Development of
several software packages for precision machining analysis for
High Precision Machining company.
Software for Large
Electric Generator monitoring equipment (Lookout and LabWindows
CVI).
Hardware design and firmware design and code for
industrial ammonia leak detector with digital display and 4-20 mA
outputs using Atmel microporcessor (Atmel processor).
Hardware
design and firmware design and code for DeviceNet temperature
sensor (Microchip processor).
Wrote all software (C and
C++) for two instruments for machine tool monitoring, utilizing an
Intel StrongARM embedded processor running Wind River VxWorks and
Zinc for VxWorks GUI developer.
First product was awarded “Best
of Sensors Expo” award at Fall 2001 Sensors Expo.
Added
international support to machine tool instrument GUI, including
support for Asian languages.
Upgraded instrument test
software in Labwindows CVI for military equipment
manufacturer.
Designed a Generator Test Panel and wrote
test software for a generator manufacturer.
Wrote several
instrument test programs in Labwindows CVI for avionics instrument
manufacturer.
Upgraded video monitor controller to use
Flash memory microcontroller. Two projects for different monitor
models.
Developed computer program in Labwindows/CVI (ANSI
C) to monitor machine tools. Acquire 5 position signals, 12
temperatures and one encoder or index pulse. Data presented in
real time in several graphical and digital formats as selected by
the user. Analyses include FFTs, least squares fits and
synchronous calculations defined in machine tool standards. This
project includes 15000 lines of C code and an eight chapter, 98
page manual included in the program as a windows help file.
Dotronix,1998
to 1999
SR.
Project Engineer
Designed embedded processors into industrial
video monitors. Processors respond to Infrared remote controls and
adjust monitor performance. Three models completed in 14 months.
First model in production since July 1998. Second entered
production in April 1999. This model includes A/D to measure the
beam current in the picture tube, D/A to control 14 functions,
Real time clock with battery backup, Temperature measurement chip,
and serial EEPROM with on- screen display of all parameters, menus
etc. All peripheral chips connected by I2C (high speed serial
protocol).
Central
Engineering Company,
1983
to 1998
Sr.
V.P. Engineering, 1986 to 1998
Responsible for all engineering
departments (approximately 50 engineers) including Electrical,
Mechanical, Computer, and Architectural. During last 15 months,
added responsibility for Project Management department (four
people). For several weeks chaired management team during medical
absence of company president. Member of advisory board. Member of
several negotiating teams. Lead negotiating team on key 6 million
dollar project during president's absence.
Lead and managed
design of several new test cells and test cell refurbishments
including:
New B777 and growth engine test bed for Rolls Royce,
currently largest test cell in the world. This cell includes
capability for operating the engine in full reverse.
New B777
test cell for GE (GEAES), similar in size to RR test bed.
Modified
test cell for United Air Lines to allow testing of B777
engines.
Lead and/or managed several new product
developments including:
Vibration monitoring instrument based
on DSP.
VXI Tachometer instrument
Family of new thrust
stands.
Conversion of computer data acquisition system to
Unix.
Conversion of computer data acquisition system to
X-terminals.
Conversion of computer data acquisition system to
VXI
Developed airflow prediction and modeling, and measurement
techniques including complex program with full documentation with
references to basic physics, equation derivation, and dimensional
analysis of all equations.
Developed program to analyze
torsional vibration of gearbox test stand.
Onan
corp.,
(now Cummins Power Generation)1968
to 1983
Manager
of Component Design
Managed three design groups for Generators,
Switchgear, and Controls.
Electrical
Design Engineer
Lead several design projects
including:
Development of new Switchgear and controls for large
generating systems of multiple diesel driven
generators.
Development of several voltage regulator/excitation
systems for generators.
Development of family of transfer
switches.
Development of microcomputer based transfer switch
control.
Copyright
© 2012 Tell Engineering, Inc. All rights reserved
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