Lorenzo Ntibarikure

• Conceptual design of a novel bearings loading test rig aimed at validating bearings NTIs.
• Investigated on modeling methods of EM coupling between power (variable speed drive system) and signals cabling systems to predict potential interference issues.

• Advised MEng thesis student with University of Florence to investigate into SAW sensors high frequency numerical modeling for accuracy control of temperature measurements.

• Led special instrumentation design and global technical reviews of FETT with design and testing teams (Czech Rep., Poland, US, Canada)
• Contributed to >4 M$ cross-P&L project and customer satisfaction.

• Contributed to conceptual instrumentation design and test rigs erection, data acquisition architecture and control system design by technical and HAZOP reviews.

• Social networking app PoC based on Bluetooth Low Energy ranging. Made with Apache Cordova and an AWS EC2 instance

• Sub 5$/Unit PoC of BLE tags (TI's CC2640) with firmware optimized for long-battery life, aimed at asset tracking and inventory management

• Ran Ansys HFSS simulations to optimize signal integrity over slip-ring connections
(power supply and ethernet transmission lines)
• Achieved shrinking of the rings spacing leading to manufacturing costs reduction
• 4 weeks-FTE cross-P&L billing and customer satisfaction

• Designed and procured validation equipment for ATEX zone 1 test bench.
• Developed Ex-d antenna and low noise amplifier system for GPS synchronization on NI’s PXI systems.
• Managed IEC 60079-11 simple apparatus compliance on load cells upon using extremely low voltage (1.5 V) Ex-ia Wheatstone bridge conditioners.

• Led the commissioning Fieldbus Foundation use in testing lab for more than 240 pressure transducers (0.1% uncertainty) upon identifing the proper Firmware configuration which enabled for massive and accurate pressure measurements.
• Managed capacitive vibration probes ATEX-compliance.
• Developed electrostatic numerical model to predict capacitance variation in various surroundings and target shape conditions.
• Contributed to DM37/08 compliance of the test rig contract… Show more

• Led the commissioning Fieldbus Foundation use in testing lab for more than 240 pressure transducers (0.1% uncertainty) upon identifing the proper Firmware configuration which enabled for massive and accurate pressure measurements.
• Managed capacitive vibration probes ATEX-compliance.
• Developed electrostatic numerical model to predict capacitance variation in various surroundings and target shape conditions.
• Contributed to DM37/08 compliance of the test rig contract specification, including power and signaling cabling selection and proper installation. Show less

• Defined novel pressure hookups method at lower cost and better performance to achieve accuracy controlled inter-stage enthalpy measurements according to ASME PTC 19.11.
• Programmed a CAN to Modbus TCP embedded module to enable static torque measurements on a MagCanica telemetry.

• Developped ATEX-compliant distributed acquisition system for more than 150 vibration measurement points, with 40 kHz analog bandwidth, WiFi5 backhaul to storage and real-time monitoring, with GPS or daisy-chain clock distribution synchronization
• Hands-on design of 3D assemblies and BOM for timely delivery and cost optimization of certified equipment in less than 4 months (vs typ. 8 months).
• Introduced and consolidated with third party metrology a software based velocity and… Show more

• Developped ATEX-compliant distributed acquisition system for more than 150 vibration measurement points, with 40 kHz analog bandwidth, WiFi5 backhaul to storage and real-time monitoring, with GPS or daisy-chain clock distribution synchronization
• Hands-on design of 3D assemblies and BOM for timely delivery and cost optimization of certified equipment in less than 4 months (vs typ. 8 months).
• Introduced and consolidated with third party metrology a software based velocity and displacement real-time computation from accelerometers, achieving direct $150k savings, and subsequent lab processes OPEX benefits.
• Customer value delivered as onsite Turbomachinery Modules structural commissioning with patented solution Show less

• Design and validation of smartbox (field datalogger) for analog signals.
• Defined EMC-aware measurement loops design to achieve noise immunity and enhanced measurement accuracies, rigorously applying EN 61000 guidelines (CENELEC25).

• High density data acquisition system design for GE Aviation’s compressor test in Massa.
• Performed mitigation on EMC noise due to 130 kW variable speed ventilation system

• Performed an Ex-p execution of stability’s magnetic exciter, contributed to the resolution of customer’s opened nonconformity on rotordynamic vibrations upon conducting an electromagnetic interference on Bently Nevada’s 3500 RCA.

• FES is an open source framework for the development of "ad-hoc" simulation software aimed at a rapid implementation of novel numerical methods based on the Galerkin method. Core formulations verified reusing meshes from commercial packages (Comsol, HFSS)

• Developed in Matlab efficient near-to-far-fields formulations for fast electromagnetic radiation computation in large finite elements problems exploiting model order reduction with spectral interpolation for beam steering and pattern angles
• Modeled a large patch antenna array, assessing accuracy and performances through mesh/model export from Ansoft HFSS v11

• Designed and prototyped an 868 MHz wireless link for a ground penetration radar remote control over RS-232 protocol
• C-coded the PIC microcontroller FW and optimized in Assembly to garantee the full-duplex operation over half-duplex TI’s CC1100 radio.
• Evaluated the performance of the wireless link in open field