Outputs (18)

Factory digital twinning with model driven engineering methodology (2023)
Presentation / Conference
Zaidi, Y., & Sahu, S. (2023, December). Factory digital twinning with model driven engineering methodology. Presented at Model Driven Engineering Network (MDENet) Annual Symposium 2023, London

In the contemporary landscape of industrial manufacturing, the concept of a digital twin has emerged as a tool bridging the gap between physical systems and their virtual counterparts. The main aim of this project was to delve into the concept, givin... Read More about Factory digital twinning with model driven engineering methodology.

Digital thread: The missing link (2022)
Presentation / Conference
Zaidi, Y. (2022, December). Digital thread: The missing link. Presented at Model Driven Engineering Network (MDENet) Annual Symposium 2022, King's College London and online

An area where model-driven engineering methodologies offer the potential to accelerate digital engineering in different development phases is the connectivity of models and lifecycle activities via a digital thread. However, we need to understand how... Read More about Digital thread: The missing link.

Framework for developing digital twin prototypes (2022)
Conference Proceeding
Zaidi, Y., & Portapas, V. (2022). Framework for developing digital twin prototypes. In Emerging and Disruptive Modelling and Simulation Technologies to Transform Future Defence Capabilities (STO-MP-MSG-197). https://doi.org/10.14339/STO-MP-MSG-197

This paper presents an agile co-simulation framework for developing digital twin prototypes of novel flying vehicles. The framework enables rapid assessment of flying vehicles' performance and flying dynamics in the early stages of their design cycle... Read More about Framework for developing digital twin prototypes.

Dock-to-dock multimodal freight transportation in coastal regions (2022)
Presentation / Conference
Zaidi, Y., Portapas, V., Bakunowicz, J., & Didey, A. (2022, August). Dock-to-dock multimodal freight transportation in coastal regions. Paper presented at International Conference for Sustainable Ecological Engineering Design for Society (SEEDS), University of the West of England, Bristol

The Dock to Dock (D2D) project defines the primary infrastructure for future electric freight transport solutions between coastal cities, in particular the energy infrastructure (battery charging/hydrogen refuelling) required for ground vehicles, and... Read More about Dock-to-dock multimodal freight transportation in coastal regions.

SpaceWire communications in power over Ethernet environment (2022)
Journal Article
Martin, J., & Zaidi, Y. (2023). SpaceWire communications in power over Ethernet environment. CEAS Space Journal, 15, 451–465. https://doi.org/10.1007/s12567-022-00454-z

This is a high-level study into the validation of a unified electric power and communications architecture for modern spacecraft systems. We leverage from blending the European Cooperation for Space Standardisation (ECSS) SpaceWire and the IEEE 802.3... Read More about SpaceWire communications in power over Ethernet environment.

Validation of the safety requirements of the landing gear using fault tree analysis (2022)
Journal Article
Iven, L., & Zaidi, Y. (2022). Validation of the safety requirements of the landing gear using fault tree analysis. CEAS Aeronautical Journal, 13, 503-520. https://doi.org/10.1007/s13272-022-00572-8

We analyze the functionality of the landing system of a regional aircraft in the extension and cruise flight modes and validate safety requirements through the fault tree analysis. The main landing gear system is captured in the electromechanical–flu... Read More about Validation of the safety requirements of the landing gear using fault tree analysis.

Energy harvesting from landing and taxiing of commercial aircraft (2022)
Journal Article
Brown, E. T. G., & Zaidi, Y. (2022). Energy harvesting from landing and taxiing of commercial aircraft. SAE International Journal of Aerospace, 15(1), 57-74. https://doi.org/10.4271/01-15-01-0004

We demonstrate a virtual proof-of-concept design and experiment for energy harvesting enabling economic and environment-friendly aircraft by recycling forces for power conversion. The harvesting uses piezoelectric materials for extracting energy from... Read More about Energy harvesting from landing and taxiing of commercial aircraft.

Environmental analysis and optimisation of an in-orbit shape memory alloy deployment mechanism (2021)
Conference Proceeding
Zaidi, Y., & Wright, C. (2021). Environmental analysis and optimisation of an in-orbit shape memory alloy deployment mechanism

This study presents the analysis and optimisation of a novel deployment mechanism that utilises the shape memory effect inherent in Nickel-Titanium alloys, namely Nitinol. The mechanism is currently designed to secure and deploy solar panels on board... Read More about Environmental analysis and optimisation of an in-orbit shape memory alloy deployment mechanism.

The Design of a 3U CubeSat to Monitor the Great Pacific Garbage Patch following a Systems Engineering Approach (2021)
Conference Proceeding
Zaidi, Y., Greenly, C., Passmore, J., Wong, H., Chinn, S., Gray, H., & Johnson, P. (2021). The Design of a 3U CubeSat to Monitor the Great Pacific Garbage Patch following a Systems Engineering Approach

This paper proposes a novel application of a CubeSat to help tackle one of the most alarming calamities in the present time, the Great Pacific Garbage Patch (GPGP). One of six similar accumulations of garbage across the world’s oceans, the GPGP is wi... Read More about The Design of a 3U CubeSat to Monitor the Great Pacific Garbage Patch following a Systems Engineering Approach.

Targeting global environmental challenges by the means of novel multimodal transport: Concept of operations (2021)
Conference Proceeding
Portapas, V., Zaidi, Y., Bakunowicz, J., Paddeu, D., Valera-Medina, A., & Didey, A. (2021). Targeting global environmental challenges by the means of novel multimodal transport: Concept of operations. In 2021 Fifth World Conference on Smart Trends in Systems Security and Sustainability (WorldS4) (101-106). https://doi.org/10.1109/WorldS451998.2021.9514048

Novel modes of transport form the basis of environmentally friendly and economically efficient transport system of the future. This paper introduces the feasibility study of a Dock to Dock (D2D) use case, combining aspects of route development and in... Read More about Targeting global environmental challenges by the means of novel multimodal transport: Concept of operations.

Observing and tracking the Great Pacific Garbage Patch (2021)
Conference Proceeding
Greenly, C., Gray, H., Wong, H., Chinn, S., Passmore, J., Johnson, P., & Zaidi, Y. (2021). Observing and tracking the Great Pacific Garbage Patch

The subtropical waters between Hawaii and California are currently infested with an accumulation of plastic estimated to be twice the area of Texas, otherwise known as the Great Pacific Garbage Patch (GPGP). This paper presents a novel CubeSat missio... Read More about Observing and tracking the Great Pacific Garbage Patch.

Rapid, automated, test, verification and validation for the CubeSats (2019)
Journal Article
Zaidi, Y., Fitz-Coy, N. G., & Van Zyl, R. (2019). Rapid, automated, test, verification and validation for the CubeSats. International Journal of Space Science and Engineering, 5(3), 242-268. https://doi.org/10.1504/IJSPACESE.2019.101412

Bringing up of a small-scale mission assurance and engineering workflow is described. The experiences learned in the ZACUBE-1 mission prompted the development of an automated systems engineering platform leading to conformity in system design, test,... Read More about Rapid, automated, test, verification and validation for the CubeSats.

Indoor positioning using auto sextant (2019)
Conference Proceeding
Zar, A., Zaidi, Y., & Winberg, S. (2019). Indoor positioning using auto sextant. https://doi.org/10.1109/ICMIMT.2019.8712019

© 2019 IEEE. This paper reports on the construction of an automated mechatronic sextant utilized in determining positions relative to multiple observed objects in open spaces. The design is based on the basic principles of the conventional mariner's... Read More about Indoor positioning using auto sextant.

A GMSK VHF-uplink/UHF-downlink transceiver for the CubeSat missions: Thermo-functional performance (2018)
Journal Article
Zaidi, Y., van Zyl, R. R., & Fitz-Coy, N. G. (2018). A GMSK VHF-uplink/UHF-downlink transceiver for the CubeSat missions: Thermo-functional performance. CEAS Space Journal, 10(3), 453-467. https://doi.org/10.1007/s12567-018-0217-5

© 2018, CEAS. Functional and thermal performance characteristics of a very high frequency/ultra high frequency (VHF/UHF) transceiver based on Gaussian minimum shift keying (GMSK) modulation are presented. The transceiver has been designed for CubeSat... Read More about A GMSK VHF-uplink/UHF-downlink transceiver for the CubeSat missions: Thermo-functional performance.

Functional/thermal verification and validation of an S-band radio for the nanosatellites (2018)
Journal Article
Zaidi, Y., Fitz-Coy, N. G., & van Zyl, R. (2018). Functional/thermal verification and validation of an S-band radio for the nanosatellites. Advances in Space Research, 62(12), 3405-3422. https://doi.org/10.1016/j.asr.2018.04.015

© 2018 COSPAR An S-band radio designed with commercial-grade components for the nanosatellites is functionally and thermally characterized for quiet transmission. The QPSK modulation impairments are minor over −20 °C to +50 °C at 24, 26, 28 and 30 dB... Read More about Functional/thermal verification and validation of an S-band radio for the nanosatellites.

A low cost testbed and test-design methodology for nanosatellite sub-/systems (2017)
Conference Proceeding
Zaidi, Y., & Van Zyl, R. (2017). A low cost testbed and test-design methodology for nanosatellite sub-/systems. . https://doi.org/10.1109/AFRCON.2017.8095518

© 2017 IEEE. The architecture of a software-driven testbed is discussed. The test setup has been developed as measurement and instrumentation system to functionally verify and thermally validate the communication subsystems designed and manufactured... Read More about A low cost testbed and test-design methodology for nanosatellite sub-/systems.

Rapid, automated test, verification and validation for CubeSats (2016)
Presentation / Conference
Zaidi, Y., Fitz-Coy, N. G., & van Zyl, R. (2016, September). Rapid, automated test, verification and validation for CubeSats. Paper presented at 67th International Astronautical Congress (IAC), Guadalajara, Mexico

From the experiences learned in the ZA-CUBE-1 mission, bringing up of a small-scale mission assurance facility is reported. The first of a series of actions envisaged to accomplish the facility is achieving functional test and verification, and the s... Read More about Rapid, automated test, verification and validation for CubeSats.

On mixed abstraction, languages and simulation approach to refinement with SystemC AMS (2010)
Journal Article
Zaidi, Y., Grimm, C., & Haase, J. (2010). On mixed abstraction, languages and simulation approach to refinement with SystemC AMS

Executable specifications and simulations are cornerstone to system design flows. Complex mixed signal embedded systems can be specified with SystemC AMS which supports abstraction and extensible models of computation. The language contains semantics... Read More about On mixed abstraction, languages and simulation approach to refinement with SystemC AMS.