The Effect of Driving Environments on Simulator Sickness

Author(s):  
Ronald R. Mourant ◽  
Prasanna Rengarajan ◽  
Daniel Cox ◽  
Yingzi Lin ◽  
Beverly K. Jaeger

In order to be an effective tool for driver evaluation and education, driving simulators need to be better designed to reduce simulator sickness. This study investigated driving in four environments (country, suburban, city, and curves) using a simulator. When driving on straight roads (city and suburban environments) subjects reported less simulator sickness then driving in the city environment (which included left and right turns) and on curves. A mini-SSQ was used to measure the accumulation of simulator sickness over trials. From trial 1 to trial 5, reported simulator sickness increased linearly. From trial 5 through 8, the rate of increase in simulator sickness decreased. We suggest that the rapid and distorted optic flow experienced while executing turns and driving on curves in driving simulators makes a substantial contribution to simulator sickness.

Author(s):  
John Paul Plummer ◽  
Anastasia Diamond ◽  
Alex Chaparro ◽  
Rui Ni

Hazard perception (HP) is an important aspect of driving performance and is associated with crash risk. In the current study, we investigate the effect of roadway environment (city vs. highway) and expertise on HP. HP was measured using HP clips that evaluated response lag (defined as the time from the participant’s response to the end of the clip) and fuzzy signal detection theory metrics of response criterion and sensitivity. Forty videos were used: 20 from highway environments and 20 from city environments. Forty-eight participants with a range of driving experience as assessed by the years since obtaining a license (less than 1 year to 24 years) completed the study. There were differences between city and highway environments in response lag and response bias; participants responded earlier to the hazards in the highway environment and exhibited a more liberal response bias. Driving experience was significantly correlated to response lag. When the video clips were categorized by environment, driving experience was only significantly correlated with performance for the city environment.


Africa ◽  
1996 ◽  
Vol 66 (1) ◽  
pp. 104-121 ◽  
Author(s):  
Olga F. Linares

AbstractAt the present time, urban agriculture—that is, the growing of food crops in backyard gardens, unused city spaces and peripheral zones—is an economically viable alternative for many African migrants. Although previously ‘invisible’ to most developers and economists, urban farming is now recognised as playing a crucial subsistence role in the household economies of lower-income people living in major West African cities. But the practice does more than feed the urban poor. Using the example of Ziguinchor in Casamance, Senegal, it is argued that growing crops in peri-urban and intra-urban zones, on otherwise neglected or half-built-up land, also protects and enriches the city environment while increasing the primary productivity of the inhabitants. Directly, or in more subtle ways, the practice strengthens bonds of friendship, and promotes inter-ethnic co-operation while at the same time helping to maintain biological complexity in interesting and previously unexplored ways. City farming may provide a context through which the urban poor can relate to debates about biodiversity.


Author(s):  
Irina V. Kukina ◽  
◽  
Natalya A. Unagaeva ◽  
Irina G. Fedchenko ◽  
Alexei U. Lipovka ◽  
...  

Urban planning concepts for mass housing construction were tested in the cities of Russia before the XXI century, the legislative framework changed, the centralized architectural activity lost its force. The diversification of the economy, the development of socio-cultural processes radically changed the approach to the formation of the city environment. The fulfillment of the requirements for the intensification and rationality of the use of territories without a comprehensive study of the city morphology changing often leads to the environment deformations. The purpose of the study is to identify the tendencies of the city morphology development under the influence of changes in ideas about the environmental quality. The city environment is understood as the unity of the natural and anthropogenic landscape, as well as the effective force – the citizens. In the study, the tasks were: to identify the most sustainable elements of the natural framework, constructed areas in a historical sequence; to determine the morphological periods of the Krasnoyarsk development, morphotops of the residential territories; to investigate the structure of the city fringe belts; to formulate the tendencies of the development of lower tier pf the residential housing and public spaces as the most susceptible to change under the influence of socio-cultural processes; to formulate the tendencies of the morphological development of Krasnoyarsk. To determine the boundaries of morphotops, calculate indicators CIS-tools with georeferenced data were used. To analyze the functional density of saturation of morphotopes with objects of small and medium-size business geoanalytical visualization of “functional flows” was performed. To assess pedestrian accessibility and visual connectivity, a spatial syntax method was used in the work. The main results of the calculated indicators were produced be the method of exploratory data analysis/ As a result of the study, the socio-cultural processes influencing the development of the morphology of the city were established; morphological period of the city development, morphotops of residential arears have been determined, changes have been made to the typology of public spaces, the concept of fringe belts has been confirmed, a new type of fixation line has been established, the pattern of development of lower tier of residential housing have been investigated. These results characterize he features of the transformation of the city environment and can be used for the purpose of architectural and urban design.


2014 ◽  
Vol 908 ◽  
pp. 375-378
Author(s):  
Peng Zhang

City environment problem increasingly troubles the people living in the city. What the human doings are against the city environment and damage their homes. This paper analyzes the causes of city environmental pollution and several aspects of pollution, and probes into the problems of city pollution and environmental planning for the future. The goal is to find an effective solution to resolve these problems. Finally, the solution of the problem from three aspects in city planning is proposed for improving the living environment and purifying homes.


2018 ◽  
Vol 5 (2) ◽  
pp. 1 ◽  
Author(s):  
Fahmi Ibrahim ◽  
Syazana Syazwani Abdul Ghani

Urban revitalization is the process of the city to restore its vibrancy, bringing the city to life, expanding profitable activities, increase in land and economic values and start-up new business ventures. The importance of revitalization can help improve the development to the city in terms of economic, social and cultural. Strategies of revitalization have been implemented through investments, conservation and regeneration that emphasizes to promote tourism, strengthen the capabilities and increase employment opportunities. The aim of this research paper is to revitalize the city of Bandar Seri Begawan into a sustainable environment integrating the interest of residents, businesses and tourists. Subsequently is to investigate the cause and effect of revitalization towards tourism, cultural and social activities. The study focuses on Bandar Seri Begawan, the capital city of Brunei which does not have the usual characteristic of a busy, key economic centre or ‘life’ of a country which suffers from lack of vitality that it loses out to other cities. Interviews and on-site observations methods were used for this study. The findings demonstrate that revitalization of Bandar Seri Begawan is closely related to the Water Village - Kampong Ayer as it represents the identity of Bandar Seri Begawan. This paper highlights the development of a conceptual framework that can be served as guidelines to revitalize the Bandar Seri Begawan (BSB) into a sustainable city environment integrating all the factors – the diversity of needs of residents, tourists and businesses which also help to understand the cause and effect of revitalization towards tourism, cultural and social activities.Socio-Economic Impact of Revitalization: The Case of Bandar Seri Begawan, Brunei Darussalam


2021 ◽  
Vol 41 (I) ◽  
pp. 55-60
Author(s):  
I. TREVOHO ◽  
◽  
A. DRBAL ◽  
E. ILKIV ◽  
M. GALYARNYK ◽  
...  

The aim is to clarify the etymology of the terms “wall leveling mark” and “wall leveling benchmark” in the context of the historical sequence of the appearance of leveling networks in the Ukrainian lands to present the author’s view on these definitions in scientific reference and encyclopedic geodetic literature. To conduct a chronological study of the phenomenon of leveling wall signs of different structures and the corresponding technologies of binding to them in leveling networks, which were created in the Ukrainian lands during the XIX–XXI centuries. Pay attention to the fact that level marks and wall frames, which are valid (working) independent geodetic signs in leveling networks, due to long-term operation are carriers of important geodetic information. Method. To study the results of the analysis of historical sources, standards, reference, encyclopedic and scientific literature in the context of the analysis of the definitions of “level mark” and “wall benchmark” was used analysis of patterns of functioning of the relevant geodetic terminological units. Results. On the territory of Ukraine during the XIX–XXI centuries. Created a leveling (height) network [State Geodetic Network, experimental operation], which operates to this day. The functioning of the leveling (height) network is regulated by legislative acts and regulations. Thanks to the geo-portal of the DGM of Ukraine created by NDIGK, it is possible to obtain information about the preserved level signs. The peculiarity of the leveling (height) network is that it was created by different departments of different countries [Glushkov V.V., 2003] with different height systems and taking into account the access of Ukrainian lands to the Black Sea. All this led to the use of different designs of wall leveling signs and, accordingly, their interpretation, which is not sufficiently reflected in the geodetic reference and regulatory literature. Scientific novelty. The performed comprehensive analysis of information sources can serve as a basis for development of scientific and technical recommendations formonitoring of level signs ofDGMofUkraine and will allow to reveal weaknesses of their functioning which are caused by changes in vital activity of the city environment. The practical value of the work is to solve the problem of distinguishing the production characteristics of the wall leveling mark and wall leveling benchmark, which are fixed leveling signs in geodetic networks of thickening and leveling networks to develop technical developments for inspection and updating points II, leveling networks classes and geodetic networks of thickening in the context of monitoring of geodetic points of DGM of Ukraine and their corresponding representation in the scientific and reference geodetic literature.


2014 ◽  
Vol 4 (1) ◽  
pp. 19-23
Author(s):  
Nina Evgen'evna Bogdanova ◽  
Oksana Vladimirovna Maslovskaya

This article analyzes the artistically-shaped qualities of cable-stayed bridges, their place and role in the structure of the conception of the city. The article describes the different forms of expression of these qualities in changing situations of the city environment. The problem of the functioning of the cable-stayed bridges in the structure of the city image does not become an object of special studies earlier. Studying the cable-stayed bridges from a totally different point of view is the novelty of this article. Researches in the bridge building assume special importance in sight of the increase of the cable-stayed bridges number built in Russia, and in sight of the optimization of this type construction.


2011 ◽  
Vol 1 (3) ◽  
pp. 12-14
Author(s):  
Yu. L DEMURINA

The article views the topic of organization of pedestrian spaces and forms the typologie of constituent elements of pedestrian spaces, depending on their function, composition, layout and geometrical parameters, as well as walking. This classification reveals the basic principles of pedestrian spaces in the urban environment.


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