HBT (Hauhinco Bergbautechnik)Manufacturer of underground mining equipment• Responsible to design, develop, enhance, and maintain customized safety critical real-time embedded software for the purpose of automating and operating proprietary longwall roof support and filter station controllers including customer PLC integration for the North American underground mining market.• Discuss customer solutions with regard to both safety and usability. Transform customer requirements into successful systems by identifying actual performance requirements and collaboratively developing effective solutions with personnel of varying technical backgrounds.• Maintain PLC ladder logic on PLC5 and ControlLogix platforms for simulating customer systems which interface with our controllers.• Design, develop, enhance and maintain display and data logging software on Allen-Bradley PanelView which interfaces to a proprietary controller for use on underground continuous miners. Work with other engineers in the company and engineers from outside the company during development and change orders.• Support U.S., Canada, South Africa, and India customers/dealers via phone, in house, on site, or underground. Troubleshoot problems during time critical customer down time. Develop and maintain relationships with customers and service personnel. Create install packages and detailed installation instructions.• Designed system to automate lab set-up and testing by utilizing ControlLogix PLC and PanelView.• Utilize source code version control.

Manufacturer of underground mining equipment• Purchased by HBT (Hauhinco Bergbautechnik) February 1, 2023.• See HBT Experience above.

Manufacturer of underground mining equipment• Purchased by Caterpillar July 2011.• See HBT Experience above.

Manufacturer of underground mining equipment• Purchased by Bucyrus May 2007.• See HBT Experience above.

Augmentative and alternative communication (AAC) solutions for individuals with speech, language and learning challenges.• Developed software for augmentative and alternative communication (AAC) solutions including printing, X10, IrDA, RS-232 and user display.• Programmed Cypress USB RISC microcontrollers in C and assembly.Designed wireless keyboard/mouse combination adapter, which converts commands received via infrared to USB.• Designed switch joystick to USB converter.• Wrote firmware for infrared transmitting device to test wireless keyboard/mouse.• Wrote file recovery program on Intel StrongARM SA-110 processor for flash cards with damaged data.• Created software upgrade cards and data cards for augmentative communication devices.• Ported flash card copy program from Motorola MC68HC11 to Intel SA-110 processor.

Railroad Automation• Developed and verified vital software used in automatic train protection units.• Wrote embedded logic and driver software in C++ and assembly on Motorola 68332 processor.• Wrote graphical display software on a 486 processor using Visual C++ compiler.• Maintained testing database.• Interfaced with customers on site.

Through-the-earth communication for underground mining• Responsible for research, design, development and testing of wireless and RS-232 voice and data communication systems for underground mining.• Programmed Intel 8051 family microcontrollers in assembly.• Designed 8051 microcontroller interface circuits.• Programmed 8051 to control LCD display.• Designed analog to digital and digital to analog circuits.• Designed analog filters and amplifiers.• Developed graphical user interfaces for serial PC communications using Borland C.• Used neural networks for locating a wireless transmitter.• Designed circuit board layouts using Orcad and EZ-Route.• Assembled printed circuit boards.• Packaged prototypes.• Interfaced with potential customers.