Timothy Hoffman Email & Phone Number

Minneapolis, Mn, Us

San Clemente, California, Us

Charlotte, North Carolina, Us

Principal Systems/Project engineer supporting the controls and requirements development for multiple mechanical systems of the Boeing 777X aircraft with the following responsibilities:• Developed plans for requirements management, validation and verification of tier-1 supplier specifications for system and equipment supporting development and certification.• Led reviews with customer subject matter experts to identify compliance status and coordinate on open technical issues with the customer prior to preliminary design review• Defined performance analysis and trade studies to support system architecture definition.• Authored system functional requirements for mechanical hardware, sensors, controller, and software to support the mainline production system and early engine development program.• Led the development of closed loop control, fault detection, and state machine logic for the engine bleed air supply system.• Responsible for development and review of safety and reliability documentation to support 25.1309 compliance for Boeing certification• Defined system verification test cases campaign for mechanical system test venue utilizing DOORS to capture campaign and publishing tools to automate test procedures.• Coordinated baseline changes in response to customer specification changes, development findings, root cause and corrective action reviews, and certification risks.• Provided status and metrics for program management to communicate path and progress.

Charlotte, North Carolina, Us

Define the control functionality for the air conditioning system, temperature control system, and conditioned service air system for the A350 aircraft.• Project engineering in Ch21 Air Systems for a large commercial aircraft• Decompose system requirements from driving customer requirements with appropriate validation, and compliance test plan.• Manage interfaces with external mechanical and electrical systems.• Lead system analysis and trade studies to define controls that meet performance, safety and hardware reliability requirements.• Derive initiated system test sequences and built in test failure criteria for system failure monitoring and maintenance reporting.• Provide inputs to MSG-3 documents to define operator maintainability procedures.• Apply technical expertise to integration of mechanical systems and controls• Provide technical direction and guidance to the broader Honeywell engineering team• Travel internationally to support design reviews and technical coordination meetings with the customer as a system representative.• Assist in the system test planning, instrumentation, execution, data reduction and analysis. • Write system description document for internal and external communication of the overall system architecture, and control functionality.

Charlotte, North Carolina, Us

Prepare and execute dynamic simulation of thermal, pneumatic, and hydraulic systems for fuel tank inerting, cabin environmental control, and ram air turbines.• Develop simulation models for desktop computer analysis in the Matlab/Simulink environment. Execute studies for specification of system requirements. Assist and review the decomposition of these requirements into component and software specifications.• Offer control solutions for system protection, failure detection, and closed loop compensation. Suggest system trades between controls options and hardware alternatives and communicate to stakeholders the advantages and disadvantages of each solution as they relate to cost, reliability and viability.• Design, optimize and tune process controls for stability and performance. • Participate in customer design reviews and customer interface discussions. • Assist in the test planning and instrumentation setup. Perform data reduction to communicate test performance for review and documentation. Utilize test data for system component and instrumentation debugging, model validation, and test rig analysis. • Prepare qualification and certification documents for customer deliverables as well as deliverables to regulatory agencies. • Develop and maintain a library of component models. Employ industry standard methods to analytically and empirically predict component performance. Utilize a consistent network convention to simplify the assembly of system models. Develop utility scripting and reporting to communicate these results to stakeholders in the design, both internal and external.• Experienced user of configuration management systems for the day-to-day management of change in a software development group. Utilize these tools to segment feature development and communicate these changes to the larger system analysis community.• Work on multiple platforms for multiple customers concurrently.

Minneapolis And St. Paul, Minnesota, Us

Educational Project Experience:Helicopter Control Model• Linear Control Model of helicopter using Simulink• Included rotor-fuselage coupling Conceptual Scramjet design project – Aero design group leader• Designed wing to meet requirements of mission.• Analyzed possible error in approximations, such as boundary layer transition.• Coordinated findings with other groups, while identifying potential design problems.Mars Precision Landing design project – Entry group• Wrote Matlab simulation of Martian entry• Derived estimates of aerodynamic performance using Newtonian Aerodynamics• Introduced error in entry parameters to predict landing footprint

Masters Of Science, Aerospace Engineering, Aerospace Controls

Bachelors Of Aerospace Engineering And Mechanics, Aerospace Engineering