Searched for: subject:"Trajectories"
(1 - 18 of 18)
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Kamphuis, W. (author), Delahaij, R. (author), Duel, J. (author), Geuze, E. (author), Vermetten, E. (author)
Veterans may report PTSD symptoms, years after their deployment. The aim of this study was to examine whether the presence of resilience resources before deployment, and the potential loss of these resources over time, are associated with the risk of PTSD symptoms five years post-deployment. The study focused on Dutch service members, deployed...
article 2021
document
Mohan, R. (author), Silvas, E. (author), Stoutjesdijk, H. (author), Bruynincks, H. (author), de Jager, B. (author)
Most human-centred robotic applications require robots to follow a certain pre-defined path. This makes the robot’s autonomous movements acceptable and predictable for humans. Planning a trajectory for the robot thus involves guiding it along this desired path. The classical approach of segmenting a path into multiple waypoints and tracking them...
article 2020
document
Barros, E.G.D. (author), Chitu, A. (author), Leeuwenburgh, O. (author)
The general field development optimization problem is complex due to the potentially large number of controls of mixed type and discontinuities in the objective function related to varying numbers and types of wells being placed in a discretized grid. This may make the problem challenging or even unsuitable for certain types of optimization...
article 2020
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Sanchez, M.M. (author), Silvas, E. (author), Pogosov, D. (author), Mocanu, D.C. (author)
Vehicle-to-vehicle communication is a solution to improve the quality of on-road traveling in terms of throughput, safety, efficiency and comfort. However, road users that do not communicate their planned activities can create dangerous situations, so prediction models are needed to foresee and anticipate their motions in the drivable space....
conference paper 2020
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Zonta, A. (author), Smit, S.K. (author), Haasdijk, E. (author), Eiben, A.E. (author)
Modelling human behaviour is still an ongoing challenge that spaces between several fields like social science, artificial intelligence, and philosophy. Since the research of a metric able to define all the aspect of the human nature is still an ambitious task, most current studies use concepts like social forces or handwritten rules for...
conference paper 2019
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Katliar, M. (author), Olivari, M. (author), Drop, F.M. (author), Nooij, S. (author), Diehl, M. (author), Bülthoff, H.H. (author)
This paper presents a method to simultaneously compute optimal simulator motions and simulator parameters for a predefined set of vehicle motions. The optimization can be performed with a model of human motion perception or sensory dynamics taken into account. The simulator dynamics, sensory dynamics, and optimality criterion are provided by the...
article 2019
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Zonta, A. (author), Smit, S.K. (author), Hoogendoorn, M. (author), Eiben, A.E. (author)
Modelling human behaviour in simulation is still an ongoing challenge that spaces between several fields like social science, artificial intelligence, and philosophy. Humans normally move driven by their intent (e.g. to get groceries) and the surrounding environment (e.g. curiosity to see new interesting places). Normal services available online...
conference paper 2019
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op den Camp, O.M.G.C. (author), Uittenbogaard, J. (author), Bakker, B. (author)
To increase traffic safety, systems are being implemented in vehicles that support drivers to avoid or mitigate collisions. Generally, these systems only provide a response to the driver in case of an imminent critical situation. Responses in the form of warning signals and brake or steering actuations are harsh, as they act in the last one to...
conference paper 2018
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Verhaegh, J. (author), Ploeg, J. (author), van Nunen, E. (author), Teerhuis, A. (author)
This paper presents a method for trajectory control, based on feedback linearization to guide an Automatic Guided Vehicle (AGV). The novelty of this work, is the adaptation of a reference trajectory with respect to a desired velocity in real-time to avoid collisions using a time-scaling mechanism. Employing this mechanism, collision avoidance by...
conference paper 2017
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de Wind, A. (author), Leijten, F.R.M. (author), Hoekstra, T. (author), Geuskens, G.A. (author), Burdorf, L. (author), van der Beek, A.J. (author)
Objectives Before actual retirement, employees may already distance themselves from work, which could be referred to as "mental retirement". However, trajectories of work motivation, ie, work engagement, have not been studied yet. The present study aimed to (i) identify different trajectories of work engagement among older workers approaching...
article 2017
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Lefeber, E. (author), Ploeg, J. (author), Nijmeijer, H. (author)
We introduce a new way to look at the combined lateral and longitudinal control problem for platooning vehicles by studying these problems separately. The lateral control problem is approached as a path following problem in the spatial domain: based on the path of the preceding vehicle we determine a path for the following vehicle which...
article 2017
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Zonta, A. (author), Smit, S.K. (author), Haasdijk, E. (author)
conference paper 2017
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Terroso-Saenz, F. (author), Valdes-Vela, M. (author), den Breejen, E. (author), Hanckmann, P. (author), Dekker, R. (author), Skarmeta-Gomez, A.F. (author)
In this day and age, there exists an increasing need for systems and architectures able to process spatio-temporal data in a timely way. As a result, this paper presents CEP-traj, a novel middleware to ease the development of real-time trajectory-based services based on the Complex Event Processing (CEP) paradigm. By means of an event-based...
article 2015
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Jie, L. (author), van Zuylen, H. (author), Chen, Y. (author), Viti, F. (author), Wilmink, I. (author)
Emissions by road traffic can be reduced by optimising traffic control. The impact of this optimisation on emission can be analysed ex ante by simulation. The simulation programs used for this analysis should be valid with respect to the traffic characteristics that determine the emissions. Thus calibration of the parameters is a prerequisite....
article 2013
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van Keulen, T. (author), de Jager, B. (author), Foster, D.L. (author), Steinbuch, M. (author), TNO Industrie en Techniek (author)
Hybrid Electric Vehicles (HEVs) enable fuel savings by re-using kinetic and potential energy that was recovered and stored in a battery during braking or driving down hill. Besides, the vehicle itself can be seen as a storage device, where kinetic energy can be stored and retrieved by changing the forward velocity. It is beneficial for fuel...
conference paper 2010
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van Mullem, D. (author), van Keulen, T. (author), Kessels, J.T.B.A. (author), de Jager, B. (author), Steinbuch, M. (author), TNO Industrie en Techniek (author)
Energy Management Strategies for hybrid powertrains control the power split, between the engine and electric motor, of a hybrid vehicle, with fuel consumption or emission minimization as objective. Optimal control theory can be applied to rewrite the optimization problem to an optimization independent of time. Estimation of the Lagrange...
conference paper 2010
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van Keulen, T. (author), de Jager, B. (author), Kessels, J.T.B.A. (author), Steinbuch, M. (author)
Hybrid vehicles require a supervisory algorithm, often referred to as energy management strategy, which governs the drivetrain components. In general the energy management strategy objective is to minimize the fuel consumption subject to constraints on the components, vehicle performance and driver comfort. Typically, we have to deal with two...
conference paper 2010
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van Hoof, H.A.J.M. (author)
This presentation describes the activities which have been carried out within the scope of a task appointed by the Ministery of Defence, Dienst Gebouwen Werken & Terreinen. Projectiles fired at a frring range will sometimes undesirably fly over the present bulletstop after hitting the ground surface. The task was to identify these stray bullets...
conference paper 1994
Searched for: subject:"Trajectories"
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