Mathias Foo
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Benchmark vehicle suspension data based on ISO 8608 road profiles Open
Ride comfort is a key factor in passenger safety and is largely determined by the suspension system of a vehicle. Although mechanical active suspension systems have greatly improved ride quality, the move towards electronically controlled …
Multi-Level Regulation in RNA-Protein Hybrid Incoherent Feedforward Loop Circuits for Tunable Pulse Dynamics in Escherichia coli Open
Regulating gene expression with precision is essential for cellular engineering and biosensing applications, where rapid, programmable, and sensitive control is desired. Current approaches to regulatory circuit design often rely on control…
Feed-forward loop improves the transient dynamics of an antithetic biological controller Open
Integral controller is widely used in industry for its capability of endowing perfect adaptation to disturbances. To harness such capability for precise gene expression regulation, synthetic biologists have endeavoured in building biomolec…
A Practical Guide for Noise Characterization of Back Pressure Sensors: Toward Digital Twin for an Industrial High-Horse Power Engine Test Cell Open
Extensive testing is crucial to ensure exhaust emission compliance for high-horsepower (H-hp) commercial engines. Back pressure sensors, integral to the exhaust system, are prone to producing noisy measurements due to the turbulent nature …
Red, blue or mix: choice of optimal light qualities for enhanced plant growth and development through <i>in silico</i> analysis Open
In smart greenhouse farming, the impact of light qualities on plant growth and development is crucial but lacks systematic identification of optimal combinations. This study addresses this gap by analysing various light properties’ effects…
A Comparative Study of FLL and PLL in Boost PFC Converter Control for Smart Greenhouse Farming Application Open
LED lights have become very popular recently for smart farming applications, where they provide artificial light as the substitute for sunlight in a greenhouse or indoor farming environment. To ensure a low total operational cost and impro…
Red, blue or mix: choice of optimal light qualities for enhanced plant growth through <i>in silico</i> analysis. Open
In smart greenhouse farming, artificially adjustable light qualities (colours) play an important role to promote plant growth. While it is known that these light qualities have significant impacts on plant development, the suitable combina…
Teaching embedded control system design of electromechanical devices using a lab-scale smart farming system Open
This article presents the design and monitoring of a lab-scale smart farming system through the integration of control and app designs that can be used for teaching embedded control application to electromechanical systems. A combination o…
A Theoretical Framework for Implementable Nucleic Acids Feedback Systems Open
Chemical reaction networks can be utilised as basic components for nucleic acid feedback control systems’ design for Synthetic Biology application. DNA hybridisation and programmed strand-displacement reactions are effective primitives for…
A comparative analysis of moving average filter and Kalman filter for large diesel engine test cell back-pressure control Open
Diesel engine combustion releases many harmful components, thus there are continuous efforts into improving the efficiency of these engines and reducing the harmful gasses and particulates to meet the emission authorities targets. To devel…
An Extended Plant Circadian Clock Model for Characterising Flowering Time under Different Light Quality Conditions Open
Speed breeding has recently emerged as an innovative agricultural technology solution to meet the ever-increasing global food demand. In speed breeding, typically various light qualities (e.g., colour, duration, intensity) are modified to …
Accuracy evaluation of hand-eye calibration techniques for vision-guided robots Open
Hand-eye calibration is an important step in controlling a vision-guided robot in applications like part assembly, bin picking and inspection operations etc. Many methods for estimating hand-eye transformations have been proposed in litera…
Model-Based Investigation of the Relationship between Regulation Level and Pulse Property of I1-FFL Gene Circuits Open
Mathematical models are powerful tools in guiding the construction of synthetic biological circuits, given their capability of accurately capturing and predicting circuit dynamics. Recent innovations in RNA technology have enabled the deve…
View article: Data-driven dynamical modelling of a pathogen-infected plant gene regulatory network: a comparative analysis
Data-driven dynamical modelling of a pathogen-infected plant gene regulatory network: a comparative analysis Open
Recent advances in synthetic biology have enabled the design of genetic feedback control circuits that could be implemented to build resilient plants against pathogen attacks. To facilitate the proper design of these genetic feedback contr…
Application of Multi-Input Uncorrelated Periodic Signals for Identification of Active Suspension System Open
Active suspension system has been widely used to improve ride comfort in passenger cars by adjusting the force between the tyre and the vehicle body such that the effect of the rough road surfaces will be minimally felt by the passengers. …
Modelling of plant circadian clock for characterizing hypocotyl growth under different light quality conditions Open
To meet the ever-increasing global food demand, the food production rate needs to be increased significantly in the near future. Speed breeding is considered as a promising agricultural technology solution to achieve the zero-hunger vision…
A framework of artificial light management for optimal plant development for smart greenhouse application Open
Smart greenhouse farming has emerged as one of the solutions to global food security, where farming productivity can be managed and improved in an automated manner. While it is known that plant development is highly dependent on the quanti…
Mode Switching Control Using Lane Keeping Assist and Waypoints Tracking for Autonomous Driving in a City Environment Open
This paper proposes a mode switching supervisory controller for autonomous vehicles. The supervisory controller selects the most appropriate controller based on safety constraints and on the vehicle location with respect to junctions. Auto…
Design and Evaluation of Synthetic RNA-Based Incoherent Feed-Forward Loop Circuits Open
RNA-based regulators are promising tools for building synthetic biological systems that provide a powerful platform for achieving a complex regulation of transcription and translation. Recently, de novo-designed synthetic RNA regulators, s…
A Comparative Review of Hand-Eye Calibration Techniques for Vision Guided Robots Open
Hand-eye calibration enables proper perception of the environment in which a vision guided robot operates. Additionally, it enables the mapping of the scene in the robots frame. Proper hand-eye calibration is crucial when sub-millimetre pe…
A simplified modelling framework facilitates more complex representations of plant circadian clocks Open
The circadian clock orchestrates biological processes so that they occur at specific times of the day, thereby facilitating adaptation to diurnal and seasonal environmental changes. In plants, mathematical modelling has been comprehensivel…
Minimally Complex Nucleic Acid Feedback Control Systems for First Experimental Implementations Open
Chemical reaction networks based on catalysis, degradation, and annihilation may be used as building blocks to construct a variety of dynamical and feedback control systems in Synthetic Biology. DNA strand-displacement, which is based on D…
Minimally Complex Nucleic Acid Feedback Control Systems for First Experimental Implementations Open
Chemical reaction networks based on catalysis, degradation, and annihilation may be used as building blocks to construct a variety of dynamical and feedback control systems in Synthetic Biology. DNA strand-displacement, which is based on D…
PID and State Feedback Controllers Using DNA Strand Displacement Reactions Open
Nucleic acid-based chemistry is a strong candidate framework for the construction of future synthetic biomolecular control circuits. Previous work has demonstrated the capacity of circuits based on DNA strand displacement (DSD) reactions t…
On the stability of nucleic acid feedback controllers Open
Recent work has shown how chemical reaction network theory may be used to design dynamical systems that can be implemented biologically in nucleic acid-based chemistry. While this has allowed the construction of advanced open-loop circuitr…
Uncertainty Modelling and Stability Robustness Analysis of Nucleic Acid-Based Feedback Control Systems Open
Recent advances in nucleic acid-based chemistry have highlighted its potential for the implementation of biomolecular feedback circuits. Here, we focus on a proposed design framework, which is able to approximate the inputoutput behaviour …