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Outputs (17)

Investigating the variation of particle distribution and surface texture of top surfaces based on build position in laser powder bed fusion (2024)
Presentation / Conference Contribution
Sithole, C., Hooshmand, H., Todhunter, L., Thompson, A., Hoekstra, S., Jalalian, A., …Gibson, I. (2024). Investigating the variation of particle distribution and surface texture of top surfaces based on build position in laser powder bed fusion. Procedia CIRP, 123, 446-451. https://doi.org/10.1016/j.procir.2024.05.078

Quality analysis of additively manufactured (AM) surfaces is complex, yet critical for determining the functionality of parts and technology improvement. To accurately assess the quality of AM parts, it is necessary to consider the industrial applica... Read More about Investigating the variation of particle distribution and surface texture of top surfaces based on build position in laser powder bed fusion.

Enhancing single camera calibration results using artificial bee colony optimisation within a virtual environment (2024)
Presentation / Conference Contribution
Khanesar, M. A., Todhunter, L., Pawar, V., Corcoran, H., MacDonald, L., Robson, S., & Piano, S. (2024, June). Enhancing single camera calibration results using artificial bee colony optimisation within a virtual environment. Presented at euspen’s 24th International Conference & Exhibition, Dublin, IE, June 2024, Dublin, Ireland

Close range photogrammetry is among the top candidates for non-contact metrology in high precision applications. It is frequently used within industrial environments for high precision measurement, automation, and control tasks. When using off-the-sh... Read More about Enhancing single camera calibration results using artificial bee colony optimisation within a virtual environment.

Comparison of approximate methods for modelling coherence scanning interferometry (2023)
Presentation / Conference Contribution
Hooshmand, H., Pahl, T., de Groot, P. J., Lehmann, P., Pappas, A., Su, R., …Piano, S. (2023). Comparison of approximate methods for modelling coherence scanning interferometry. Proceedings of SPIE, 12619, https://doi.org/10.1117/12.2673657

Coherence scanning interferometry (CSI) is a widely used optical method for surface topography measurement of industrial and biomedical surfaces. The operation of CSI can be modelled using approximate physics-based approaches with minimal computation... Read More about Comparison of approximate methods for modelling coherence scanning interferometry.

Uncertainty analysis of an augmented industrial robot (2023)
Presentation / Conference Contribution
Khanesar, M. A., Piano, S., & Branson, D. (in press). Uncertainty analysis of an augmented industrial robot.

Industrial robots are often used in additive manufacturing (AM) environments to automate the process of creating complex parts and structures. One example of an industrial robot used in AM is for wire and arc additive manufacturing. This process invo... Read More about Uncertainty analysis of an augmented industrial robot.

High-accuracy robotic metrology for precise industrial manipulation tasks (2023)
Presentation / Conference Contribution
Isa, M. A., Khanesar, M. A., Leach, R. K., Branson, D., & Piano, S. (2023). High-accuracy robotic metrology for precise industrial manipulation tasks. . https://doi.org/10.1117/12.2673088

The majority of industrial production processes can be divided into a series of object manipulation and handling tasks that can be adapted for robots. Through significant advances in compliant grasping, sensing and actuation technologies, robots are... Read More about High-accuracy robotic metrology for precise industrial manipulation tasks.

Measurement of powder spreading dynamics in additive manufacturing (2023)
Presentation / Conference Contribution
Ferris, S., Thompson, A., Maskery, I., Hall, S., & Piano, S. (2023). Measurement of powder spreading dynamics in additive manufacturing.

In this work, we examine the effect of the state of the pre-processing powder bed in powder-based additive manufacturing, particularly in metal laser powder bed fusion (PBF-LB). The spreading of the powder layer has been identified as a critical but... Read More about Measurement of powder spreading dynamics in additive manufacturing.

Comparison of coherence scanning interferometry, focus variation and confocal microscopy for surface topography measurement (2023)
Presentation / Conference Contribution
Hooshmand, H., Liu, M., Pappas, A., Thompson, A., Leach, R., & Piano, S. (2023). Comparison of coherence scanning interferometry, focus variation and confocal microscopy for surface topography measurement.

The most common optical technologies for surface topography measurement are coherence scanning interferometry (CSI), focus variation microscopy (FV) and imaging confocal microscopy (CM). Due to the benefits and drawbacks of each, these instruments ar... Read More about Comparison of coherence scanning interferometry, focus variation and confocal microscopy for surface topography measurement.

Intelligent Static Calibration of Industrial Robots using Artificial Bee Colony Algorithm (2023)
Presentation / Conference Contribution
Khanesar, M. A., Yan, M., Kendal, P., Isa, M., Piano, S., & Branson, D. (2023). Intelligent Static Calibration of Industrial Robots using Artificial Bee Colony Algorithm. In Proceedings of IEEE International Conference on Mechatronics ( IEEE ICM 2023). https://doi.org/10.1109/ICM54990.2023.10101918

This paper proposes an industrial robot calibration methodology using an artificial bee colony algorithm. Open loop industrial robot positions are usually calculated using joint angle readings and industrial robot forward kinematics, where feedback c... Read More about Intelligent Static Calibration of Industrial Robots using Artificial Bee Colony Algorithm.

Improving the Positional Accuracy of Industrial Robots by Forward Kinematic Calibration using Laser Tracker System (2022)
Presentation / Conference Contribution
Khanesar, M. A., Piano, S., & Branson, D. (2022). Improving the Positional Accuracy of Industrial Robots by Forward Kinematic Calibration using Laser Tracker System. In Proceedings of the 19th International Conference on Informatics in Control, Automation and Robotics (ICINCO 2022) (263-270). https://doi.org/10.5220/0011340200003271

Precision object handling and manipulation require precise positioning of industrial robots. The common practice to perform end effector positioning is to use joint angle readings and industrial robot forward kinematics. However, forward kinematics o... Read More about Improving the Positional Accuracy of Industrial Robots by Forward Kinematic Calibration using Laser Tracker System.

Frequency scanning interferometry for accurate robot position measurement (2022)
Presentation / Conference Contribution
Isa, M. A., Khanesar, M. A., Leach, R., Branson, D., & Piano, S. (2022). Frequency scanning interferometry for accurate robot position measurement. In Proceedings of 22nd International Conference & Exhibition

This paper presents a frequency scanning interferometry (FSI) shortwave infrared (IR) setup developed for position and orientation measurement of industrial robots. Within contemporary and future industrial frameworks, robots—in particular collaborat... Read More about Frequency scanning interferometry for accurate robot position measurement.

Photogrammetric coordinate metrology (2018)
Presentation / Conference Contribution
Sims-Waterhouse, D., Piano, S., & Leach, R. (2018, June). Photogrammetric coordinate metrology. Paper presented at euspen 18th International Conference & Exhibition