Pages
- 1
- 2
- document
-
Vlaskwinkel, M.G. (author), Willems, F.P.T. (author)To meet increasingly strict future greenhouse gas and pollutant emission targets, development time and costs of heavy-duty internal combustion engines will reach unacceptable levels. This is mainly due to increased system complexity and need to guarantee robust performance under a wide range of real-world conditions. Cylinder Pressure Based...conference paper 2023
- document
-
Kupper, F. (author), Mentink, P. (author), Avramis, N. (author), Meima, N. (author), Lazovik, E. (author), Wilkins, S. (author), Willems, F. (author)Self-learning energy management is a promising concept, which optimizes real-world system performance by automated, on-line adaptation of control settings. In this work, the potential of self-learning capabilities related to optimization is studied for energy management in Plug-in Hybrid Electric Vehicles (PHEV). These vehicles are of great...conference paper 2022
- document
-
van Putten, B.J.C. (author), van der Sanden, B. (author), Reniers, M. (author), Voeten, J. (author), Schiffelers, R (author)One of the challenges in the design of supervisors with optimal throughput for manufacturing systems is the presence of behavior outside the control of the supervisor. Uncontrollable behavior is typically encountered in the presence of (user) inputs, external disturbances, and exceptional behavior. This paper introduces an approach for the...conference paper 2020
- document
-
Willems, F. (author), van Gompel, P. (author), Seykens, X. (author), Wilkins, S. (author)This work gives an outlook on the potential of automated driving functions (ADFs) to reduce real-world CO2 and pollutant emissions for heavy-duty powertrains. Up to now, ADF research mainly focuses on increased traffic safety, driver comfort, and road capacity. Studies on emissions are lacking. By taking the driver out-of-the-loop, cycle-to...conference paper 2019
- document
- Rashid, A. (author), Hofman, T. (author), Rosca, B. (author) conference paper 2018
- document
-
Firooznia, A. (author), Ploeg, J. (author), van de Wouw, N. (author), Zwart, H. (author)Small inter-vehicle distances can increase traffic throughput on highways. Human drivers are not able to drive safely under such conditions. To this aim, cooperative adaptive cruise control (CACC) systems have been developed, which require vehicles to communicate with each other through a wireless communication network. By communicating control...article 2017
- document
-
Donkers, M.C.F. (author), van Schijndel, J. (author), Heemels, W.P.M.H. (author), Willems, F.P.T. (author)Integrated Emission Management (IEM) is a supervisory control strategy that minimises operational costs (consisting of fuel and AdBlue) for diesel engines with an aftertreatment system, while satisfying emission constraints imposed by legislation. In most work on IEM, a suboptimal heuristic real-time implementable solution is used, which is...article 2016
- document
-
Weiss, M. (author), Shima, T. (author)This paper proposes a new approach to the derivation of homing guidance laws for interceptor missiles that makes use of linear-quadratic optimal control in a different manner than the traditional approaches. Instead of looking only for the minimization of the miss distance and the integral square of the guidance command, the new criterion...article 2015
- document
-
Ploeg, J. (author), Shukla, D.P. (author), van de Wouw, N. (author), Nijmeijer, H. (author)Cooperative adaptive cruise control (CACC) allows for short-distance automatic vehicle following using intervehicle wireless communication in addition to onboard sensors, thereby potentially improving road throughput. In order to fulfill performance, safety, and comfort requirements, a CACC-equipped vehicle platoon should be string stable,...article 2014
- document
-
Kempker, P.L. (author), Ran, A.C.M. (author), van Schuppen, J.H. (author)Coordinated linear systems are a special class of hierarchical linear systems, with a strict top-to-bottom information structure. The LQ problem over all structure-preserving static state feedbacks is discussed. The overall control problem separates into conditionally independent subproblems, a numerical approach to their solution is derived,...article 2014
- document
-
Zwart, H. (author), Firooznia, A. (author), Ploeg, J. (author), van de Wouw, N. (author)This paper considers the optimal control problem for a class of infinite-dimensional systems, namely spatially invariant systems. A common assumption in the scope of such optimal control problem is the exponential stabilizability of the infinite-dimensional plant. We propose sufficient conditions for the optimizability of spatially invariant...conference paper 2013
- document
-
Hogema, J.H. (author), Wewerinke, P.H. (author)In the design and development of advanced vehicle control systems such as X-by-Wire (XBW), system safety is a crucial aspect. Failures in XBW can easily result in accidents. Therefore, methods and tools are needed to ensure fault-tolerant systems. Quantifying the consequence of an error is far from trivial, since the consequence is determined...bookPart 2012
- document
-
van Keulen, T. (author), van Mullem, D. (author), van Jager, B. (author), Kessels, J.T.B.A. (author), Steinbuch, M. (author)Hybrid electric vehicles require an algorithm that controls the power split between the internal combustion engine and electric machine(s), and the opening and closing of the clutch. Optimal control theory is applied to derive a methodology for a real-time optimal-control-based power split algorithm. The presented strategy is adaptive for...article 2012
- document
-
Whiting, P.A. (author), Kramer, G. (author), Nuzman, C.J. (author), Ashikhmin, A. (author), van Wijngaarden, A.J. (author), Živković, M. (author)Digital subscriber line (DSL) data rates for short loops are typically limited by crosstalk between adjacent lines rather than by background noise. Precoding can reduce crosstalk in the downstream from the access node to the customer premises equipment significantly if an accurate estimate of the inverse crosstalk channel is provided. Recently,...article 2011
- document
-
Evers, W.J. (author), Besselink, I.G.M. (author), Teerhuis, A.P. (author), Nijmeijer, H. (author)There is a need to further improve driver comfort in commercial vehicles. The variable geometry active suspension offers an interesting option to achieve this in an energy efficient way. However, the optimal control strategy and the overal performance potential remains unclear. The aim of this paper is to quantify the level of performance...article 2011
- document
-
Fraanje, P.R. (author), Massioni, P. (author), Verhaegen, M. (author), TNO Industrie en Techniek (author)Deformable mirrors with spatially invariant dynamic response can be considered as part of the class of decomposable systems. Such systems can be thought of as the interconnection of a number of identical subsystems, and they can be used to model certain classes of large scale systems. We show in this article that the technique allows the design...article 2010
- document
-
van Gompel, P.H.C. (author), Koornneef, G.P. (author)Two major trends can be identified for powertrain control in the next decade. The legislation will more and more focus on in-use emissions. Together with the global trend to reduce the CO 2 emissions, this will lead to an integral drive train approach. To develop and validate this integral drive train approach, the need for a new chapter in...conference paper 2010
- document
-
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
- document
-
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
- document
-
TNO Industrie en Techniek (author), Fraanje, P.R. (author), Doelman, N.J. (author)In recent years various researchers have proposed an optimal control approach for the rejection of turbulence-induced wavefront distortions in an AO system. The essential element in the design of an optimal controller is the choice for the turbulence model, which predicts the turbulence to compensate for the inherent delay in the AO control loop...conference paper 2010
Pages
- 1
- 2