High-resolution modeling of open-pit slopes using UAV and photogrammetry

Battulwar, Rushikesh; Valencia, Jorge Andrés Alvarado; Winkelmaier, Garrett; Parvin, Bahram; Sattarvand, Javad

doi:10.1201/9780429320774-78

Cited by 6 publications

(4 citation statements)

References 1 publication

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“…In surface mining applications, the generation of 3D reconstructions primarily relies on point clouds derived from a mix of various RGB cameras (monocular, binocular, stereo), laser scanners, or a hybrid approach [62,63]. Several methodologies contribute to creating point clouds with 3D measurements, including multiview stereo (MVS) vision, structure from motion (SFM), simultaneous localization and mapping (SLAM), and single image depth estimation.…”

Section: D Reconstruction In Surface Minesmentioning

confidence: 99%

Applications of 3D Reconstruction in Virtual Reality-Based Teleoperation: A Review in the Mining Industry

Kamran-Pishhesari,

Moniri-Morad,

Sattarvand

2024

Technologies

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Although multiview platforms have enhanced work efficiency in mining teleoperation systems, they also induce “cognitive tunneling” and depth-detection issues for operators. These issues inadvertently focus their attention on a restricted central view. Fully immersive virtual reality (VR) has recently attracted the attention of specialists in the mining industry to address these issues. Nevertheless, developing VR teleoperation systems remains a formidable challenge, particularly in achieving a realistic 3D model of the environment. This study investigates the existing gap in fully immersive teleoperation systems within the mining industry, aiming to identify the most optimal methods for their development and ensure operator’s safety. To achieve this purpose, a literature search is employed to identify and extract information from the most relevant sources. The most advanced teleoperation systems are examined by focusing on their visualization types. Then, various 3D reconstruction techniques applicable to mining VR teleoperation are investigated, and their data acquisition methods, sensor technologies, and algorithms are analyzed. Ultimately, the study discusses challenges associated with 3D reconstruction techniques for mining teleoperation. The findings demonstrated that the real-time 3D reconstruction of underground mining environments primarily involves depth-based techniques. In contrast, point cloud generation techniques can mostly be employed for 3D reconstruction in open-pit mining operations.

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Section: D Reconstruction In Surface Minesmentioning

confidence: 99%

Applications of 3D Reconstruction in Virtual Reality-Based Teleoperation: A Review in the Mining Industry

Kamran-Pishhesari,

Moniri-Morad,

Sattarvand

2024

Technologies

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“…As a result of the experiments, it was determined that the mobility of the light-class quadrotor was limited compared to the middle-class quadrotor, independent of ground speed and remaining battery energy. Battulwar et al (2019) made a route plan and optimization using the Da-Jiang innovations Mavic pro quadrotor, which is sold-ready in the market. While doing this, they conducted studies on battery consumption at different wind speeds.…”

Section: Introductionmentioning

confidence: 99%

“…Battulwar et al (2019) made a route plan and optimization using the Da-Jiang innovations Mavic pro quadrotor, which is sold-ready in the market. While doing this, they conducted studies on battery consumption at different wind speeds.…”

Section: Introductionmentioning

confidence: 99%

Effect of wind on quadrotor battery consumption

Ercan,

Ulucan,

Kılıç

2024

AEAT

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Purpose The advancements in battery technologies, while trailing behind technological progress, face challenges meeting the soaring energy demands of quadrotors, resulting in flight durations that are far from satisfactory. Hence, this study aims to empirically investigate the impact of wind on battery consumption. Design/methodology/approach Flight tests were conducted using the Pixhawk 4 along identical flight paths and durations. In these flight tests, the quadrotor was exposed to different wind speeds. Findings The amount of energy consumed in the flight tests was examined. It has been observed that wind poses a serious threat to battery consumption and thus flight safety. Practical implications It is predicted that the data obtained from these studies will be useful in the battery and route selection of quadrotors used in many areas in the future. Originality/value This experimental investigation involved conducting numerous flight trials at diverse wind speeds under genuine atmospheric conditions. The energy consumption data acquired holds significance as it directly mirrors real-world scenarios encountered in practical applications.

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“…In this regard, the Mining Automation Lab at the University of Nevada, Reno conducted a project (supported by the National Institute for Occupational Safety and Health, NIOSH) to use UAVs for high-resolution imaging and to develop state-of-the-art machine learning techniques for automated identification and characterization of cracks. The technology can be used as an early-warning system that alerts geotechnical engineers about the location of new cracks, and subsequently the potential for related failures so that necessary safety steps can be executed to avoid them [10].…”

Section: Introductionmentioning

confidence: 99%

A Practical Methodology for Generating High-Resolution 3D Models of Open-Pit Slopes Using UAVs: Flight Path Planning and Optimization

et al. 2020

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High-resolution terrain models of open-pit mine highwalls and benches are essential in developing new automated slope monitoring systems for operational optimization. This paper presents several contributions to the field of remote sensing in surface mines providing a practical framework for generating high-resolution images using low-trim Unmanned Aerial Vehicles (UAVs). First, a novel mobile application was developed for autonomous drone flights to follow mine terrain and capture high-resolution images of the mine surface. In this article, case study is presented showcasing the ability of developed software to import area terrain, plan the flight accordingly, and finally execute the area mapping mission autonomously. Next, to model the drone’s battery performance, empirical studies were conducted considering various flight scenarios. A multivariate linear regression model for drone power consumption was derived from experimental data. The model has also been validated using data from a test flight. Finally, a genetic algorithm for solving the problem of flight planning and optimization has been employed. The developed power consumption model was used as the fitness function in the genetic algorithm. The designed algorithm was then validated using simulation studies. It is shown that the offered path optimization can reduce the time and energy of high-resolution imagery missions by over 50%. The current work provides a practical framework for stability monitoring of open-pit highwalls while achieving required energy optimization and imagery performance.

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High-resolution modeling of open-pit slopes using UAV and photogrammetry

Cited by 6 publications

References 1 publication

Applications of 3D Reconstruction in Virtual Reality-Based Teleoperation: A Review in the Mining Industry

Applications of 3D Reconstruction in Virtual Reality-Based Teleoperation: A Review in the Mining Industry

Effect of wind on quadrotor battery consumption

A Practical Methodology for Generating High-Resolution 3D Models of Open-Pit Slopes Using UAVs: Flight Path Planning and Optimization

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