High-Resolution Field Evaluation of Radar-Based Dilemma Zone Protection System

2016 ◽  
Vol 2557 (1) ◽  
pp. 11-23 ◽  
Author(s):  
Montasir M. Abbas ◽  
Qichao Wang ◽  
Bryan Higgs ◽  
Donia Zaheri Sarabi ◽  
Sahar Ghanipoor Machiani ◽  
...  
Keyword(s):  
High Resolution ◽  
Field Evaluation ◽  
Protection System ◽  
Dilemma Zone

Field Evaluation of the Dilemma Zone Protection System at Suburban Intersections

2018 ◽  
Vol 2672 (21) ◽  
pp. 51-62 ◽  
Author(s):  
Sung Yoon Park ◽  
Chien-Lun Lan ◽  
Ranteg S. Rao ◽  
Gang-Len Chang
Keyword(s):  
Red Light ◽  
Field Evaluation ◽  
Protection System ◽  
Signalized Intersection ◽  
Red Light Running ◽  
Dilemma Zone ◽  
Effective Strategies ◽  
The Past ◽  
Intersection Safety ◽  
Arterial Traffic

Despite the fact that both traffic researchers and highway agencies have devoted considerable efforts over the past few decades to improving intersection safety, development of effective strategies to contend with this vital issue remains a challenging task. This research presents the field evaluation results of a Dilemma Zone Protection System (DZPS) implemented at two hazardous intersections in Maryland, U.S.A. The deployed DZPS can offer both proactive and reactive protections to drivers approaching a signalized intersection during a yellow phase. Field evaluations conducted at two intersections with DZPS deployed confirmed a 100% detection rate for red-light-running vehicles, timely activation of the all-red extension to prevent right-angle crashes, and effectively discouraging drivers from taking aggressive “pass” decisions during the yellow or all-red phases. The potential extension of the DZPS for speed harmonization on arterial traffic flows is also discussed.

Design and Predeployment Assessment of an Integrated Intersection Dilemma Zone Protection System

2016 ◽  
Vol 142 (12) ◽  
pp. 04016063 ◽  
Author(s):  
Sung Yoon Park ◽  
Chien-Lun Lan ◽  
Gang-Len Chang ◽  
Devendra Tolani ◽  
Peter Huang
Keyword(s):  
Protection System ◽  
Dilemma Zone

A Framework for Managing the Threat of SCC and Other Forms of Cracking in Pipelines Using In-Line Inspection Tools

2008 ◽  
Author(s):  
Sergio Limon-Tapia ◽  
David Katz ◽  
Thomas Beuker ◽  
Claus Do¨scher ◽  
Bryce Brown
Keyword(s):  
High Resolution ◽  
Stress Corrosion Cracking ◽  
Closed Loop ◽  
Field Evaluation ◽  
Critical Assessment ◽  
Recent Past ◽  
Tool Performance ◽  
Framework Approach ◽  
Integrity Management ◽  
Performance Validation

The phenomenon of Stress Corrosion Cracking (SCC) as a major integrity threat has been investigated intensively and discussed since the 1970’s. Based on the far-reaching understanding of this threat today, integrity management programs have been developed further in recent past. A framework approach is proposed of dividing the integrity management into a process-based structure. Within this structure the different processes from the inspection program to the control of the immediate and future integrity are arranged in a closed loop. The framework has been applied to a Williams 26-inch gas pipeline. The pipeline has been inspected with a high resolution in-line inspection tool, using electromagnetic acoustic technology (EMATs), with a sensitivity to coating disbondment and SCC, proven by detailed results obtained from pipe samples containing SCC. In preparation of an extensive in-field evaluation program, an engineering critical assessment and a risk based analysis of limit conditions are conducted. The results from the in-field program are used to support the subsequent process of tool performance validation and integrity control.

scholarly journals Real Time Implementation of Smart Child Rescue Robot from Bore Well using Arm and Belt Mechanism

2019 ◽  
Vol 8 (12) ◽  
pp. 3346-3350
Keyword(s):  
High Resolution ◽  
Irrigation System ◽  
Time Span ◽  
Protection System ◽  
Robot Arm ◽  
Rescue Robot ◽  
The People ◽  
Short Time Span ◽  
Short Time ◽  
Bore Well

In India for recent years, water scarcity is the principle inconvenience. To overcome these issues, people initiated to burrow bore well. In our nation, the vast majority of the people are agrarian and they depend on the water for irrigation system. Children involuntarily fall into the bore well which yielded water and left revealed. The process of saving the trapped child into bore well is relatively challenging. At present, the rescuing task is accomplished by the method for burrowing a parallel pit close to the bore well with the same depth of the child and makes a passage that interfaces with the two wells. It takes about 30 hours to burrow the new well. By that period the child would have passed on. To overcome this concern, a well-planned robot is designed in a unique way, that it saves the stuck child and also it observes the child carefully by using web cam within a short time span. It consists of two modules which are rescuing system and protection system. The protection system is with the guide of setting an air sack at the base of the passage and recovers the child at the base of the passage and recovers the child at any rate of gripper disappointment. The safeguarding instrument is about a robot gadget fit for moving underneath the bore well bolstered with their user directions, equipped with robot arm, unrestrained objectives modernized camera, high resolution LED. The robot arm is utilized to fix the belt to the trapped children. The belt is hooked with the dc metal gear for lifting the child from the bore well

Design and Evaluation of an Intelligent Dilemma-Zone Protection System for a High-Speed Rural Intersection

2013 ◽  
Vol 2366 (1) ◽  
pp. 1-8 ◽  
Author(s):  
Gang-Len Chang ◽  
Mark L. Franz ◽  
Yue Liu ◽  
Yang (Carl) Lu ◽  
Ruihua Tao
Keyword(s):  
High Speed ◽  
Protection System ◽  
Dilemma Zone

An Integrated Dilemma Zone Protection System Using Connected Vehicle Technology

2016 ◽  
Vol 17 (6) ◽  
pp. 1714-1723 ◽  
Author(s):  
Liteng Zha ◽  
Yunlong Zhang ◽  
Praprut Songchitruksa ◽  
Danny R. Middleton
Keyword(s):  
Protection System ◽  
Connected Vehicle ◽  
Dilemma Zone ◽  
Connected Vehicle Technology ◽  
Vehicle Technology

Observations of the spatial structure of interstellar hydrogen

1967 ◽  
Vol 31 ◽  
pp. 45-46
Author(s):  
Carl Heiles
Keyword(s):  
High Resolution ◽  
Spatial Structure ◽  
Velocity Dispersion ◽  
Temperature Variations

High-resolution 21-cm line observations in a region aroundlII= 120°,b11= +15°, have revealed four types of structure in the interstellar hydrogen: a smooth background, large sheets of density 2 atoms cm-3, clouds occurring mostly in groups, and ‘Cloudlets’ of a few solar masses and a few parsecs in size; the velocity dispersion in the Cloudlets is only 1 km/sec. Strong temperature variations in the gas are in evidence.

Combining integrated systems-biology approaches with intervention-based experimental design provides a higher-resolution path forward for microbiome research

2019 ◽  
Vol 42 ◽  
Author(s):  
J. Alfredo Blakeley-Ruiz ◽  
Carlee S. McClintock ◽  
Ralph Lydic ◽  
Helen A. Baghdoyan ◽  
James J. Choo ◽  
...  
Keyword(s):  
Systems Biology ◽  
High Resolution ◽  
Experimental Design ◽  
Integrated Systems ◽  
Microbiome Research ◽  
Constructive Criticism

Abstract The Hooks et al. review of microbiota-gut-brain (MGB) literature provides a constructive criticism of the general approaches encompassing MGB research. This commentary extends their review by: (a) highlighting capabilities of advanced systems-biology “-omics” techniques for microbiome research and (b) recommending that combining these high-resolution techniques with intervention-based experimental design may be the path forward for future MGB research.

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