Research on Traffic Flow Velocity Characteristic at Temporary Reversible Lane

2014 ◽  
Vol 505-506 ◽  
pp. 1189-1193
Author(s):  
Yi Cao ◽  
Zhong Yi Zuo ◽  
Hui Zhi Xu
Keyword(s):  
Flow Velocity ◽  
Traffic Flow ◽  
Existing Problems ◽  
Before And After ◽  
Relationship Model ◽  
Velocity Characteristic ◽  
Utilization Ratio ◽  
The Individual ◽  
Lane Utilization ◽  
The Relationship

In order to analyze the existing problems of temporary reversible lane, traffic flow velocity characteristic at the period of direction changing was analyzed. Taking Huangpu road as the investigation object, the traffic flow velocity parameters before and after direction changing were investigated respectively. By the method of mathematical statistics, the individual vehicles velocities and the traffic flow velocity before and after direction changing were compared and analyzed. Using the method of regression analysis, the relationship model between velocity and density of reversible lane was constructed. This paper also discussed the problems of this kind of lane. The research showed that, in terms of traffic flow operation velocity of temporary reversible lane, there is obvious and regular difference between before and after direction changing. There is a certain relationship between the velocity and density. The problem of lower lane utilization ratio of temporary reversible lane usually exists.

Dynamic Aggregation Method of Induction Motors Based on Coherent Characteristics

2014 ◽  
Vol 960-961 ◽  
pp. 1214-1224
Author(s):  
Jian Zhang ◽  
Xiao Dong Yuan
Keyword(s):  
Reactive Power ◽  
Induction Motors ◽  
Power System Simulation ◽  
Aggregation Method ◽  
Before And After ◽  
Fuzzy C Means Clustering ◽  
Equivalent Motor ◽  
The Individual ◽  
Relationship Of ◽  
The Relationship

Parameters of induction motors have crucial effects on power system simulation. This paper proposes a dynamic aggregation method of induction motors. In this method, firstly, starting off the electromechanical models of induction motors, taking the coefficients of the electromechanical equations and steady state slips of motors as the characteristic vectors, motors are grouped with fuzzy C-means clustering method. Then, electromechanical equations of the equivalent motor are obtained by averaging that of the individual motors in the same group. Finally, parameters of equivalent motors are calculated based on the relationship of transient impedance before and after aggregation, and the principle that active and reactive power loads are equal before and after aggregation. Simulation results show that the proposed method can improve the precision of simulation

A DYNAMIC MODEL FOR THE HETEROGENEOUS TRAFFIC FLOW CONSISTING OF CAR, BICYCLE AND PEDESTRIAN

2010 ◽  
Vol 21 (02) ◽  
pp. 159-176 ◽  
Author(s):  
TIE-QIAO TANG ◽  
HAI-JUN HUANG ◽  
HUA-YAN SHANG
Keyword(s):  
Dynamic Model ◽  
Traffic Flow ◽  
Numerical Results ◽  
Heterogeneous Traffic ◽  
Friction Effect ◽  
The Individual ◽  
Macro Variables ◽  
The Relationship

Based on the properties of the heterogeneous traffic flow consisting of car, bicycle and pedestrian, we in this paper present three individual-following models with the consideration of the friction effects, where the individual can here be referred to as car, bicycle or pedestrian in a unified manner. Using the relationship between the micro and macro variables, we obtain a dynamic model for heterogeneous traffic flow with the consideration of the friction effects. The analytical and numerical results show that the bicycle friction effect will reduce the car flow and speed and that the pedestrian friction effect will reduce the bicycle flow and speed, but the reductions are related to the bicycle and pedestrian density.

The Politics of Ithaca

2020 ◽  
pp. 203-240
Author(s):  
Joel P. Christensen
Keyword(s):  
The State ◽  
The Political ◽  
Collective Trauma ◽  
Extended Treatment ◽  
Political Situation ◽  
Before And After ◽  
The Individual ◽  
The Relationship

This chapter presents an analysis of the political situation in Ithaca. A clearer picture of the political situation may allow one to see the Ithacan people as suffering from a collective trauma, which partly explains their behavior before and after Odysseus's return. Of utmost importance is that the families of the suitors assemble, debate, and about half decide to avenge themselves on Odysseus. This conflict contains the overlay of several types of discourse that touch upon justice, the nature of politics, and the relationship between the individual and the state. The reading offers a new extended treatment of the politics of the Odyssey, which forces one to reconsider the heroic presentation of Odysseus by the poet (and by himself). The chapter then examines the sudden surprising closure of the epic from the perspective of modern studies in political amnesties.

A Study of Traffic Noise Reduction Performance of Arc Pavement Roads and Traffic Flow

2006 ◽  
Author(s):  
Zheng Lou ◽  
Liming Dai
Keyword(s):  
Noise Reduction ◽  
Traffic Flow ◽  
Noise Level ◽  
Traffic Noise ◽  
Flow Conditions ◽  
Noise Levels ◽  
Flow Monitoring ◽  
Before And After ◽  
The Relationship ◽  
Rubber Concrete

Asphalt Rubber Concrete (ARC) pavement has shown an excellent performance of noise reduction in terns of reducing the power of air pumping, absorbing sound power, depressing carcass vibration and changing sound reflection geometry. This research is to investigate the traffic noise reduction performance of a segment of test highway with ARC pavement in Saskatchewan, Canada. Before and after the highway section was repaved, a series of traffic noise level measurements combining with traffic flow monitoring are conducted in order to compare the sound performance of ARC and conventional pavements. A relationship between the noise level and corresponding traffic flow conditions of ARC pavement is established. The energetic averaging method is employed to study the relationship between traffic noise level and traffic flow condition. The two noise levels of 24-hour's time averaged and Statistical Pass-By noise levels indicated that the ARC pavement has a better sound performance over that of conventional pavement in terms of traffic noise reduction. The traffic noise reduction applicability of ARC pavement under various traffic flow conditions is also performed in this research.

scholarly journals Investigation of the Relationship Between the Leisure and Stepping Frequencies of the Students Receiving Recreation Education

2019 ◽  
Vol 7 (2) ◽  
pp. 98
Author(s):  
Aytekin Alpullu ◽  
Gökalp Demir
Keyword(s):  
Physical Activity ◽  
Body Composition ◽  
Mobile Phones ◽  
Healthy Individual ◽  
Sedentary Lifestyle ◽  
Before And After ◽  
Males And Females ◽  
The Individual ◽  
The Relationship ◽  
Day By Day

The simplest and easiest type of physical activity for a healthy individual is walking. Development of technology day by day brought along inactivity and related diseases. The purpose of exercise is to prevent and slow down diseases caused by a sedentary lifestyle. The aim of the study is to reveal the effect of walking on body composition of the individual and to investigate the relationship between the stepping frequency before and after taking a recreation course of the students studying at the faculty of sports sciences.A total of 150 volunteers consisting of 97 males and 53 females aged between 18-26 and older participated in the study. The study lasted 12 weeks. The daily stepping frequencies of all participants were recorded with the pedometer program on their mobile phones. The recreation course was given as two hours of lectures per week to the students studying in three departments (teaching, coaching, management).As a result of the correlation test used in this study, the stepping frequency was found to be increased after the recreation course was explained. Awareness was created after the lecturing. No significant relationship was found between this awareness and the age of males and females, and between this awareness and the number of distance and daily steps taken.

scholarly journals STUDENT ATTENTION IN SOLVING FUNCTION PROBLEMS

2020 ◽  
Vol 5 (1) ◽  
pp. 35-50
Author(s):  
Syafruddin Kaliky ◽  
Patma Sopamena ◽  
Fahruh Juhaevah ◽  
Nurlaila Sehuwaky ◽  
Kasliyanto
Keyword(s):  
Secondary School ◽  
Mathematical Object ◽  
Existing Problems ◽  
Attention Process ◽  
Before And After ◽  
Qualitative Descriptive ◽  
Cognitive Attention ◽  
Giving Feedback ◽  
The Relationship ◽  
Functional Problems

This study aims to describe the students' attention processes in solving functional problems. This research is a qualitative descriptive study, with subjects of 2 students taken from 8 students of secondary school. The results show that the students' attention process in solving functional problems was based on attentional characteristics, namely when students who answered correctly in solving questions and interview process, before and after reflection had complete cognitive attention structures. While students who answer incorrectly in solving problems have incomplete attention to cognitive structures, characterized by a lack of concentration in seeing the relationship between one mathematical object and another mathematical object. Attention characteristics in this study begin with recalling previous information and responding or giving feedback to problems by linking previous information with existing problems. Next analyze by breaking down information into smaller parts and easy to understand. The next step looks at the relationship between the decomposition process to get ways that can be used in the settlement process to obtain the final results that are part of decision making.

Relationship of Swimming Distance, Expectancy, and Performance to Mood States of Competitive Athletes

1997 ◽  
Vol 84 (3_suppl) ◽  
pp. 1199-1210 ◽  
Author(s):  
Bonnie G. Berger ◽  
Harry Prapavessis ◽  
J. Robert Grove ◽  
Brian D. Butki
Keyword(s):  
Mood States ◽  
Mood Disturbance ◽  
Total Mood Disturbance ◽  
Before And After ◽  
Normal Distance ◽  
The Individual ◽  
Acute Changes ◽  
Performance Times ◽  
The Relationship ◽  
Competitive Swimmers

This study focused on the relationship between normal and abbreviated training sessions for young competitive swimmers and acute changes in mood. Several potential moderators of the relationship between exercise and mood also were examined. 25 girls and 23 boys, swimmers between the ages of 12 and 25 years, completed a shortened version of the Profile of Mood States before and after normal-distance and taper practices. An hypothesized interaction between distance training and acute changes in scores on Total Mood Disturbance was significant. During normal-distance practices, scores on Mood Disturbance increased from pre- to postpractice. Analyses of the individual subscales indicated that swimmers' scores increased for Fatigue and decreased for Vigor. In abbreviated practice sessions, athlete's scores on Total Mood Disturbance showed no change from pre- to postpractice. The specific subscales, however, showed positive changes for Depression, Confusion, and Tension. The mood changes related to practice distance were not influenced by the possible moderating factors of expectancy or performance times. Thus, even for highly trained competitive swimmers, exercising at or near maximal physical capability is associated with few positive changes in mood scores. Shorter-distance swims that do not tax endurance are preferable, if mood enhancement is a goal.

scholarly journals Between Potential, Performance and Prospect: Revisiting the Political Leadership of the EU Commission President

2016 ◽  
Vol 4 (2) ◽  
pp. 68-79 ◽  
Author(s):  
Henriette Müller
Keyword(s):  
Political Leadership ◽  
The Political ◽  
The European Union ◽  
Leadership Performance ◽  
Structure And Agency ◽  
Before And After ◽  
Commission President ◽  
The Individual ◽  
The Relationship ◽  
Substantial Degree

This contribution argues that although the latest EU treaties formalized the Commission presidency to substantial degree, it remains a constitutionally weak office for the provision of political leadership. The capacity to lead thus still strongly depends on the individual incumbent. As a first step, the article examines the legal-procedural structure of the office before and after the Lisbon Treaty came into force. Secondly, it analyzes the political leadership performance of the Commission president José Barroso in comparison with his predecessor Jacques Delors. In bridging formal institutional rules with concrete performances this article contributes to the understanding of the relationship between structure and agency in international institutions as well as to the growing literature on political leadership in the European Union.

Game Over?

2009 ◽  
Vol 21 (4) ◽  
pp. 151-160 ◽  
Author(s):  
Sabine Glock ◽  
Julia Kneer
Keyword(s):  
Digital Games ◽  
Media Violence ◽  
School Shootings ◽  
Digital Game ◽  
Before And After ◽  
Individual Knowledge ◽  
Media Reports ◽  
The Individual ◽  
The Relationship

Because of recent school shootings, there has been a broad public discussion on whether playing violent digital games causes aggression. Current empirical findings of media violence research on aggression are ambiguous. It is also unclear whether the positive correlation is due to active playing or to media reports. Media reports may lead people who do not play (nonplayers) to associate violent digital games with aggression, while active players (long-term players) may have differentiated knowledge structures. Therefore, we conducted an experiment to investigate the relationship between the concepts “violent digital game” and “aggression” for long-term players and nonplayers. Long-term players, nonprimed, and primed nonplayers performed two lexical decision tasks before and after playing “Unreal Tournament.” While priming “violent digital game” activated the concept “aggression” for nonplayers, active playing had no impact at all. The individual knowledge about these games had stronger impact on psychological responses than playing a violent digital game.

Accent Policy and Accent Modification Enterprises as Potential Indicators of Intercultural Power Relations: A Call for an Updated Research Agenda

2013 ◽  
Vol 3 (1) ◽  
pp. 22-33 ◽  
Author(s):  
Brynne D. Ovalle ◽  
Rahul Chakraborty
Keyword(s):  
International Relations ◽  
Identity Construction ◽  
Social Theory ◽  
Power Relations ◽  
Linguistic Diversity ◽  
Cultural Organization ◽  
Using Data ◽  
The Individual ◽  
The Impact ◽  
The Relationship

This article has two purposes: (a) to examine the relationship between intercultural power relations and the widespread practice of accent discrimination and (b) to underscore the ramifications of accent discrimination both for the individual and for global society as a whole. First, authors review social theory regarding language and group identity construction, and then go on to integrate more current studies linking accent bias to sociocultural variables. Authors discuss three examples of intercultural accent discrimination in order to illustrate how this link manifests itself in the broader context of international relations (i.e., how accent discrimination is generated in situations of unequal power) and, using a review of current research, assess the consequences of accent discrimination for the individual. Finally, the article highlights the impact that linguistic discrimination is having on linguistic diversity globally, partially using data from the United Nations Educational, Scientific and Cultural Organization (UNESCO) and partially by offering a potential context for interpreting the emergence of practices that seek to reduce or modify speaker accents.

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