Search results for "ergonomic"
showing 10 items of 635 documents
Acceptance of truck platooning by professional drivers on German highways. A mixed methods approach.
2020
Abstract Truck platoon driving is a current branch of automated driving, which has the potential to radically change the work routine of professional drivers. In a platoon system, one truck (semi-)automatically follows a lead truck with a reduced distance, which produces significant savings in fuel and enables better traffic flow. In a current application of truck platoon driving, the following vehicle operates at level-2 automation. Thus, the driver of the following truck merely has to supervise the semi-automated system, which takes over steering and speed control when engaged. Level-2 truck platoon driving had not been tested with professional drivers in real traffic before. We hypothesi…
Truck Platooning Under Real Traffic Conditions: First Insights on Behavioral Adaptations and Gap Preference of Professional Drivers.
2020
Objective The aim of the study was to investigate (1) how different gap sizes are perceived by professional truck drivers under real traffic conditions and (2) whether semi-automated platoon driving leads to changes in driving behavior of subsequent manual driving. Background Platoon driving is a current branch in the development of automated driving in which two or more vehicles build a convoy. The lead vehicle is controlled manually while following vehicles are electronically coupled to it and drive semi-automated with small gaps in order to achieve a better traffic flow and potential fuel savings. Method In a real road experiment, 10 trained professional truck drivers completed a total o…
Delivery Truck Drivers’ Work Outside Their Cabs: Ergonomic Video Analyses Supplemented with National Accident Statistics
2014
Delivery truck drivers' work contains various physically and psychosocially demanding work situations. Fifteen drivers' and 8 other stakeholders' identifications of such work situations were examined by video analyses in this study. The identifications were analyzed in-depth by the researchers and compared with statistics on 3,507 accidents in the Finnish trucking industry. The aim was to determine what kind of identifications were made and to what degree the identifications coincided among the participants and with the accident statistics. The drivers' identifications differed from the statistics data. The statistics showed a significantly higher relative frequency of movement-related situ…
On-Road Study of Fatigue Management Strategies in Long-Haul Truck Drivers
2014
The current study investigated what strategies long-haul truck drivers use to mitigate fatigue at the wheel. A group of 52 truck drivers participated in the study in which drivers’ fatigue at the wheel was measured by a well-validated self-rating scale (the Karolinska Sleepiness Scale) and the use of fatigue countermeasures by a diary for a period of two consecutive workweeks including day and night-time trips. Results showed that the drivers more frequently used fatigue countermeasures while fatigued at the wheel but most of these countermeasures, with the exception of caffeine, can be regarded as inefficient (e.g., opening a window). The results indicate that long-haul truck drivers resp…
Driver Situation Awareness and Perceived Sleepiness during Truck Platoon Driving–Insights from Eye-tracking Data
2021
Truck platoon driving technology uses vehicle-to-vehicle communication to allow one truck to follow another in an automated fashion. The first vehicle is operated manually, the second vehicle is dr...
Are long-haul truck drivers unusually alert? A comparison with long-haul airline pilots.
2020
Abstract Background Recent studies suggest heavy vehicle drivers self-estimate their sleepiness unexpectedly low during night duties. The present study compared sleepiness ratings of long-haul truck drivers with those of long-haul airline pilots during night and non-night duties. In addition, the correspondence between self-rated manifest and predicted latent sleepiness was examined in the two groups. Methods Twenty-two drivers and 33 pilots participated. Their working hours, sleep, on-duty sleepiness, and use of sleepiness countermeasures were measured in naturalistic conditions. Predictions of latent sleepiness were based on the measurements of working hours and sleep using the Sleep/Wake…
Typology of human aggression and its biological control
2008
Human aggression is considered a global public health problem with a tremendous impact on the victims. Scientists studying this behaviour can contribute to reducing this worldwide problem by identifying its causes and designing preventive interventions and treatment. Those working on its biological bases need to establish which types of human aggression may be candidates for a biological intervention, which makes it necessary to develop a typology of this behaviour. Considering the primary goal that guides the perpetrator to behave aggressively, a distinction is made between impulsive and premeditated types. However, to control aggression, the distinction should be made between individuals …
Differences in treatment adherence, program completion, and recidivism among batterer subtypes
2017
Abstract The present study aimed to cross-validate Holtzworth-Munroe and Stuart's typology in a Spanish sample of court-referred intimate partner violence batterers. The study also analyzed the typology's capability to predict treatment attendance, completion, and IPV recidivism two years after the treatment. The sample consisted of 210 batterers court referred to a batterer intervention program. Using cluster analysis, three batterer subtypes were identified in accordance with the original typology: family-only batterers, borderline/dysphoric, and generally violent-antisocial. The typology predicted program attendance, completion, and recidivism. Batterers from the generally violent-antiso…
Organization of the social sphere and typology of the residential setting: How the adoption of the mobile phone affects sociability in rural and urba…
2012
Abstract The purpose of this study is to explore the role that the possession of the mobile phone plays in the organization of the relational sphere at a social level, in different geographical settings. The research questions were: is the possession of a mobile phone more connected to urban or to rural life, and does the possession of a mobile phone influence differently the organization of the social sphere in rural and urban settings? Data on the possession of mobile phones, the frequency of forms of communicative sociability, and various socio-demographic variables were collected by means of a phone survey in 2009. The sample is representative of the population in the five most populous…
Discrepancy between individual and organizational values : occupational burnout and work engagement among white-collar workers
2013
Abstract This pilot study aimed to investigate the level of discrepancy between individual and organizational values, and assessed its impact on white-collar workers' job burnout and work engagement. The study examined the hypothesis that the better the fit between individual and organizational values, the higher the work engagement and the lower the risk of professional burnout. The modified Schwartz's typology of values, focusing on work related issues, was used as a framework for the study. Also, organizational level analysis was incorporated into the study questionnaire in order to capture the potential mismatch effect between the person and his or her work environment. A total of 480 w…