This paper describes the functions and the features of the integrated system of aerial survey and tower locations optimization for transmission lines, which includes all stages from data acquisition, data transmission...This paper describes the functions and the features of the integrated system of aerial survey and tower locations optimization for transmission lines, which includes all stages from data acquisition, data transmission and data processing to automatic optimization of the tower locations and drawing. The paper also briefly describes the economic benefit gained from this system, and finally proposes the directions of the future development for this system.展开更多
Since China entered the new era, China has paid more and more attention to the Internet information technology. China's network information technology has been more widely spread, the introduction of unmanned aeri...Since China entered the new era, China has paid more and more attention to the Internet information technology. China's network information technology has been more widely spread, the introduction of unmanned aerial mapping technology in the process of topographic mapping not only makes the workload of mapping reduced, but also makes the results of mapping more understandable. Unmanned aerial surveying and mapping technology was deeply loved by the general research of surveying and mapping personnel and staff because of UAV aerial surveying and mapping technology can greatly reduce the influence of human factors in the process of topographic map of surveying and mapping, surveying and mapping researchers and staff for the general to provide more accurate real data. Plus, the unmanned aerial vehicle (UAV) is more convenient to use, in most areas of China are applicable, wide measuring range, easy to carry. These advantages make UAV aerial surveying and mapping technology in the surveying and mapping industry more and more attention. This paper mainly introduces the principle and related technology used by UAV in topographic mapping, hoping to provide a valuable reference for peers.展开更多
Potholes are the most prevalent type of structural defect found on roads,caused by aging infrastructure,heavy rains,heavy traffic,thin or weak substructures,and other factors.Regular assessment of road conditions is e...Potholes are the most prevalent type of structural defect found on roads,caused by aging infrastructure,heavy rains,heavy traffic,thin or weak substructures,and other factors.Regular assessment of road conditions is essential for maintaining and improving road networks.Current techniques for identifying potholes on urban roadways primarily rely on public reporting,such as hotlines or social networking websites,which are both timeconsuming and inefficient.This study aims to detect potholes using Unmanned Aerial Vehicles(UAVs)images,enabling accurate analysis of their size,shape,and location,thereby enhancing detection efficiency compared to conventional methods.It compared area and volume measurements of potholes derived from UAV models with those obtained through traditional methods,revealing discrepancies and highlighting UAVs’potential for providing more accurate data with appropriate settings.The study found measurement errors ranging from 90 to 8200 cm^(2) in area and 2000 to 31,000 cm^(3) in volume,emphasizing the need for careful data handling in assessments.This study demonstrates UAV technology’s effectiveness in pothole detection,providing insights that support the adoption of aerial photogrammetry for road maintenance.This approach has the potential to improve efficiency in infrastructure management.By appropriately adjusting altitude settings and parameters based on pothole size and depth,UAVs can detect potholes effectively.To achieve more accurate results,the study recommends analyzing a larger number of potholes rather than limiting the focus to a single pothole.展开更多
文摘This paper describes the functions and the features of the integrated system of aerial survey and tower locations optimization for transmission lines, which includes all stages from data acquisition, data transmission and data processing to automatic optimization of the tower locations and drawing. The paper also briefly describes the economic benefit gained from this system, and finally proposes the directions of the future development for this system.
文摘Since China entered the new era, China has paid more and more attention to the Internet information technology. China's network information technology has been more widely spread, the introduction of unmanned aerial mapping technology in the process of topographic mapping not only makes the workload of mapping reduced, but also makes the results of mapping more understandable. Unmanned aerial surveying and mapping technology was deeply loved by the general research of surveying and mapping personnel and staff because of UAV aerial surveying and mapping technology can greatly reduce the influence of human factors in the process of topographic map of surveying and mapping, surveying and mapping researchers and staff for the general to provide more accurate real data. Plus, the unmanned aerial vehicle (UAV) is more convenient to use, in most areas of China are applicable, wide measuring range, easy to carry. These advantages make UAV aerial surveying and mapping technology in the surveying and mapping industry more and more attention. This paper mainly introduces the principle and related technology used by UAV in topographic mapping, hoping to provide a valuable reference for peers.
基金Ministry of Higher Education(MOHE)are greatly acknowledged for providing the Fundamental Research Grant Scheme(Grant No.FRGS/1/2021/WAB07/UITM/02/2)GPK fund(Grant No.600-RMC/GPK 5/3(223/2020))College of Built Environment,Universiti Teknologi MARA(UiTM)and Research Management Centre(RMC)to enable this research to be carried out.
文摘Potholes are the most prevalent type of structural defect found on roads,caused by aging infrastructure,heavy rains,heavy traffic,thin or weak substructures,and other factors.Regular assessment of road conditions is essential for maintaining and improving road networks.Current techniques for identifying potholes on urban roadways primarily rely on public reporting,such as hotlines or social networking websites,which are both timeconsuming and inefficient.This study aims to detect potholes using Unmanned Aerial Vehicles(UAVs)images,enabling accurate analysis of their size,shape,and location,thereby enhancing detection efficiency compared to conventional methods.It compared area and volume measurements of potholes derived from UAV models with those obtained through traditional methods,revealing discrepancies and highlighting UAVs’potential for providing more accurate data with appropriate settings.The study found measurement errors ranging from 90 to 8200 cm^(2) in area and 2000 to 31,000 cm^(3) in volume,emphasizing the need for careful data handling in assessments.This study demonstrates UAV technology’s effectiveness in pothole detection,providing insights that support the adoption of aerial photogrammetry for road maintenance.This approach has the potential to improve efficiency in infrastructure management.By appropriately adjusting altitude settings and parameters based on pothole size and depth,UAVs can detect potholes effectively.To achieve more accurate results,the study recommends analyzing a larger number of potholes rather than limiting the focus to a single pothole.
