24 Result(s)

Article

Rapid and Automatic Image Acquisition System for Structural Surface Defects of High-Speed Rail Tunnels

Continuous high-speed (>80 km/h) tunnel-image detection introduces new challenges to defect image acquisition, including machine recognition of entry and exit from a tunnel, storage of massive image data strea...

Shaojie Qin, Taiyue Qi, Bo Lei, Zongyang Li in KSCE Journal of Civil Engineering (2024)

Chapter and Conference Paper

Research on Fire Smoke Control of an Ultra-wide Road Tunnel with Lateral Exhaust

The existence of the ultra-wide road tunnels improves the transportation efficiency and promotes economic development. However, fire hazards cannot be ignored. Thus, a single entrance 4-lane road tunnel is sel...

**g Wang, Haiquan Bi, Bo Lei, Zhicheng Mu… in Computational and Experimental Simulations… (2024)

Article

Rigid–flexible–thermal coupling dynamics of a hub and multiplate system considering frictional contact

A geometric nonlinear modeling approach for strong rigid–flexible–thermal coupling dynamics of a hub and multiplate system considering frictional contact is proposed. Based on the absolute nodal coordinate for...

Tingting Yuan, Bo Lei, **yang Liu, Yunli Wu in Multibody System Dynamics (2023)

Article

A method of determining typical meteorological year for evaluating overheating performance of passive buildings

In the simulation of building overheating risks, the use of typical meteorological years (TMY) can greatly reduce the simulation workload and accurately reflect the distribution of simulation results according...

Bin Qian, Tao Yu, Chen Zhang, Per Heiselberg, Bo Lei, Li Yang in Building Simulation (2023)

Chapter and Conference Paper

Generation and Analysis of Typical Meteorological Years for Future Weather Data and the Heatwave Detection in Copenhagen

In this paper, a methodology suggested by IEA EBC Annex 80 was used to generate future weather files and detect heatwaves in future and historical periods for Copenhagen. The result shows that the method got a...

Bin Qian, Chen Zhang, Per Kvols Heiselberg… in Proceedings of the 5th International Confe… (2023)

Article

Evaluation of the thermal performance of radiant floor heating system with the influence of unevenly distributed solar radiation based on the theory of discretization

In the building with many transparent envelopes, solar radiation can irradiate on the local surface of floor and cause overheating. The local thermal comfort in the room will be dissatisfactory and the thermal...

Jiacheng Zheng, Tao Yu, Bo Lei, **u**g Luo in Building Simulation (2023)

Article

Dynamic modelling and analysis for a flexible brush sampling mechanism

Sampling asteroid soil is one of the main tasks of asteroid exploration projects. The dynamic analysis for sampling with a flexible brush is of great interest in aerospace engineering. It is a typical dynamic ...

Bo Lei, Ziqi Ma, **yang Liu, Caishan Liu in Multibody System Dynamics (2022)

Chapter and Conference Paper

An Efficient Infrared Pedestrian Segmentation Algorithm Based on Weighted Maximum Entropy Thresholding

Infrared pedestrian segmentation is a challenging problem in infrared image processing. Thresholding algorithm is one of the commonly used image segmentation techniques. Classical entropy-based thresholding me...

Bo Lei, Jiulun Fan, Jian Xu in Advances in Natural Computation, Fuzzy Sys… (2022)

Article

Adaptive Kaniadakis entropy thresholding segmentation algorithm based on particle swarm optimization

Kaniadakis entropy is a kind of generalized entropy based on the \( \kappa \)κ probability distribution, which has a good ability to deal with the distribution of long tail. The image thresholding algorithm based...

Bo Lei, Jiu-lun Fan in Soft Computing (2020)

Reference Work Entry In depth

Application Examples of UPFC and Its Variants

The IEEE definition of a the UPFC (unified power flow controller) is a combination of a static synchronous compensator (STATCOM) and a static synchronous series compensator (SSSC), which are coupled together v...

Stig L. Nilsson, Shukai Xu, Bo Lei, Zhanfeng Deng… in Flexible AC Transmission Systems (2020)

Reference Work Entry In depth

FACTS Equipment Design and Testing

This chapter covers the period from project conception to completion of factory testing, primarily from the viewpoint of the client/purchaser (owner) of the FACTS system. It includes discussion of:

Reference Work Entry In depth

Commissioning of FACTS Controllers

The purpose of commissioning is to establish that the installed FACTS controller performs as expected and complies with the specified and expected performance requirements, culminating with grid compliance tes...

Babak Badrzadeh, Andrew Van Eyk, Peeter Muttik… in Flexible AC Transmission Systems (2020)

Reference Work Entry In depth

Application Examples of the Thyristor Controlled Series Capacitor

Thyristor switched and controlled series capacitor systems were developed in the late 1980s to enable increased load carrying capacity of existing high voltage transmission lines. Thyristor controlled series c...

Stig L. Nilsson, Antonio Ricardo de Mattos Tenório… in Flexible AC Transmission Systems (2020)

Living Reference Work Entry In depth

Application Examples of UPFC and Its Variants

The IEEE definition of a the UPFC (unified power flow controller) is a combination of a static synchronous compensator (STATCOM) and a static synchronous series compensator (SSSC), which are coupled together v...

Stig Nilsson, Shukai Xu, Bo Lei, Zhanfeng Deng… in Flexible AC Transmission Systems

Article

Deformation Patterns and Surface Settlement Trough in Stratified Jointed Rock in Tunnel Excavation

The special mechanics of inclined stratified jointed rock may cause unexpectedly surface settlement. This paper studies the special rock condition with analyses of discrete element method (DEM) numerical analy...

Yan Li, Taiyue Qi, Bo Lei, Wang** Qian, Zongyang Li in KSCE Journal of Civil Engineering (2019)

Living Reference Work Entry In depth

Commissioning of FACTS Controllers

The purpose of commissioning is to establish that the installed FACTS controller performs as expected and complies with the specified and expected performance requirements, culminating with grid compliance tes...

Babak Badrzadeh, Andrew Van Eyk, Peeter Muttik… in Flexible AC Transmission Systems

Living Reference Work Entry In depth

Application Examples of the Thyristor Controlled Series Capacitor

Thyristor switched and controlled series capacitor systems were developed in the late 1980s to enable increased load carrying capacity of existing high voltage transmission lines. Thyristor controlled series c...

Stig Nilsson, Antonio Ricardo de Mattos Tenório… in Flexible AC Transmission Systems

Article

A Super-Resolution Direction of Arrival Estimation Algorithm for Coprime Array via Sparse Bayesian Learning Inference

In this paper, we address the problem of direction of arrival (DOA) estimation with coprime array in the context of sparse signal reconstruction to fully exploit the enhanced degrees of freedom (DOF) offered b...

Jie Yang, Yixin Yang, Guisheng Liao, Bo Lei in Circuits, Systems, and Signal Processing (2018)

Living Reference Work Entry In depth

FACTS Equipment Design and Testing

This chapter covers the period from project conception to completion of factory testing, primarily from the viewpoint of the client/purchaser (owner) of the FACTS system. It includes discussion of: