David Kenyon Email & Phone Number

Atlanta, Ga, Us

Us

Being promoted to a Principal Engineer, I continued as the Model-Based Development (MBD) lead for the Controls group in the North American Residential business unit of Carrier. At project kickoff of the Infinity 24/26, I was the sole Controls MBD engineer responsible for project deliverables. To multiply my time and expand MBD within the controls organization, I mentored junior engineers, established a defined MBD process, led tool development, and initiated efforts that enabled MBD in additional new product development projects. My efforts included:• Providing a monthly report out of MBD projects to Central Engineering and my business unit engineering leadership.• Working with the dynamic modeling team to overcome a gap between the physics represented in Dymola models and the actual heat pump related to suction superheat dynamics.• Initiating development of a house model enabling closed-loop system testing prior to field verification and oversaw the integration of the house model into a simulation platform.• Leading a Kaizen related to the maintenance of the platform for an integrated closed-loop system simulation.• Initiating an effort to run the MIL simulation in a High Performance Cluster (HPC), reducing verification test time from 2 weeks to half a day.My projects in controls MBD include a mid-tier variable capacity Heat Pump with R454b, a geothermal heat pump, and the DOE Cold Climate Heat Pump (CCHP) challenge. My main contributions included: • Performing system identification testing and established a process for obtaining linear models form step test data.• Establishing a gain tuning process for suction superheat control• Improving suction superheat control.• Resolving key controls issues which enabled Carrier to successfully complete CCHP testing at Oak Ridge National Lab.

Us

As the Model-Based Development (MBD) lead for the Controls group in the North American Residential business unit of Carrier, I shaped the Controls MBD vision, developed the MBD process, and guided tool development while mentoring others and executing on project commitments to deliver to schedule. My major accomplishments in the Infinity 24/26 project included: • Developing the algorithms for operation control (heating, cooling and defrost) and component controls (compressor, EXV, outdoor fan, vapor injection, etc.) • Constructing the Model-in-the-Loop (MIL) for algorithm design, implementation, and validation. • Defining the process for autogenerating code and leading the effort to establish an autocoding tool. • Leading the effort to create the Software-in-the-Loop (SIL) simulation platform for verification. • Developing an improved suction superheat control and a new vapor injection control. • Implementing a test suite for running MIL and SIL test cases in batch. • Developing a rapid control prototyping platform (Speedgoat) for algorithm development and validation.To achieve the ambitious schedule for the Infinity 24/26 project, algorithm development and validation relied on a testing platform for rapid control prototyping (Speedgoat) to interface Simulink models with real heat pump hardware. I performed the specification, installation, and configuration of the Speedgoat platform and executed the needed development testing all while the embedded platform was being developed. Concurrent development saved 9 months in development time for the Infinity 26 AC and Infinity 24 HP, resulting in a shorter time to market.

Us

As a control system and software engineer for the North American Residential business unit of UTC Climate, Controls, and Security, commonly known as Carrier, I mainly focused on feature and algorithm development, software design, and coding in embedded C for multi-zone temperature control and HVAC equipment staging. I had complete ownership of the development and sustaining support for the entire comfort control algorithm of the flagship wall control (Carrier Infinity Touch / Bryant Evolution Connex).My system engineering responsibilities included consideration of all potential components of a residential HVAC system, interaction with key stakeholders (management, engineering, marketing, and product support), analysis of test data, and proper documentation to clarify decisions and resolve issues.I have performed testing at the system and software level as well as analysis via simulation to both validate and verify features and to resolve field issues.

Gillingham, United Kingdom, Gb

I worked for the Entertainment and Communications business unit of Delphi as an embedded software engineer developing radios for the OEM automotive market. My specific role was the audio subsystem lead software engineer. I was responsible for the audio subsystem software architecture and code shared across several projects and used globally.Developing the audio architecture involved creating layers of abstraction and defining termsto conceptualize and partition low level driver functionality from higher level code responsible for executive level functionality. Driver functionality included code to translate audio control commands into DSP data transmitted via IIC from a microprocessor to an audio DSP. Code responsible for executive level coordination included state machine design and implementation. I collaborated closely with colleagues in Krakow, Poland, including extended travel.

As a control systems lead engineer, I worked on a team developing the GEnx engine, a large commercial turbofan for the Boeing 787 and 747A and the Airbus A-350. My responsibilities included system and software development of the logic processing all engine sensor inputs on the GEnx engine. My accomplishments with the input signal processing logic directly contributed to a successful first run of the FETT (first engine to test), ahead of schedule. In addition, I led the requirements management effort for the GEnx control systems group and using DOORS as a tool within the development process.

I provided analytical and simulation support for gas turbine control systems. Major tasks included:Modeling, software, and control law development for a cruise missile engine (YJ102R) control system.Developing a CH-53E helicopter rotor model based on public domain information.Developing CH-53X helicopter engine control laws based on existing AE 1107C and RTM-322 engine control laws.Developing MATLAB scripts to automate analysis tasks, such as linear analysis on multiple loops at numerous flight conditions.Correlating real time simulator results to actual engine data.Writing software requirements specifications and technical reports.

As a member of a small, multidisciplinary group of researchers developing an Automated Pancreas, I constructed mathematical models and simulations of glucose and insulin dynamics for use in the experimental process and algorithm development. Additional roles included providing mathematical and software support for data analysis and recommendations during discussions about strategy, experimental design, algorithm development, and device design. As part of reorganization after the acquisition of Disetronic, Roche Diagnostics consolidated Automated Pancreas development in Burgdorf, Switzerland.An automated pancreas is a medical device that automatically and appropriately doses insulin based on frequently-sampled subcutaneous glucose measurements and on additional information supplied by the patient. The purpose of an automated pancreas is to improve glycemic control for insulin dependent diabetics.My major accomplishments with the Automated Pancreas project included:Developing a systematic strategy for improving the models of glucose and insulin dynamics.Developing a model of insulin pharmacokinetics that accurately predicts the time series of circulating insulin concentration based on the input of subcutaneous insulin infusion rates.Assessing the ability of compartment models and a physiologically-based pharmacokinetic (PBPK) model to predict the time series of glucose for experimental protocols in comparison to actual clinical data from both published and internal studies.Improving a PBPK model to predict the time series of glucose.

I worked as an information technology consultant performing Unix system administration for Fortune 1000 clients. My responsibilities included:Providing help desk support for users globally for clients in multiple domains.Administering multiple Unix platforms (Solaris 2.5.x - 2.6.x, HP_UX 9.x - 10.x, IRIX 5.x - 6.x).; Managing system resources and customizing system configuration.Resolving NIS and NFS problems.Establishing and troubleshooting printer queues.Recovering files from backup tape using Legato Networker.

M.S, Engineering (Electrical)

Bachelor Of Science - Bs, Mechanical Engineering

Regents Diploma With Honors