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Kleine Bloemenstoet opnieuw groot en ontroerend spektakelstu (Wommelgem)
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Vehicle seat suspensions play a very important role in vibration reduction for vehicle drivers, especially for some heavy vehicles. Compared with small vehicles, these heavy vehicle drivers suffer much more from vibrations, which influence driving comfort and may cause health problems, so seat suspensions are necessary for those heavy vehicle drivers to reduce vibrations and improve driving comfort. Advanced control systems and control strategies are investigated for vehicle seat suspensions in this project. Firstly, for an active single-degree of freedom (single-DOF) seat suspension, a singular system-based approach for active vibration control of vehicle seat suspensions is proposed, where the drivers’ acceleration is augmented into the conventional seat suspension model together with seat suspension deflection and relative velocity as system states to make the suspen- sion model as a singular system. Then, an event-triggered H∞ controller is designed for an active seat suspensio
An event-triggered H controller is designed for an active seat suspension in this paper, where the continuous event-trigger scheme is applied to transfer the dynamic system states to the controller only at event-triggered time instants. Delay-dependent stability criteria in the form of linear matrix inequality (LMI) are presented to guarantee the asymptotic stability of the seat suspension system. One Lyapunov function is chosen where some matrices are introduced with relaxed conditions. Two tight inequalities are applied to prove the positive definiteness of the Lyapunov function and stability of the system, which reduces the conservatism of the system for the time delay to the controller. The proposed control method can reduce the workload of data transmission of the seat suspension system and work as a filter to remove the effect of noise, so it can decrease the precision requirement of the actuator, which can help to reduce the cost of the seat suspension. Both simulation and expe
is more than any other agency, and i want to put up some of the cuts kin colluded in the cuts included in the president s budget. great lakes restoration, water run ah control for farmers, pesticide safety. what does that say about the commitment of this administration and you to cleaning up the environment when you re making a 31% cut in your agency and cutting things like that, water run ahs for farm runoffs for farmers? well, part of the issue, chris, is over the last several years there s been a lack of commitment to state partnership. you know, we have state departments of environmental quality across the country that have the resources and the expertise to deal with clean water and clean air issues, and so renewing that partnership chris: are you sure they re going to pick up the slam, or might water safety, water runoff, great lakes restoration, might that all just go by the wayside? i ve met with several governors, in fact, within the first week of having been on the
and i want to put up some of the cuts kin colluded in the cuts included in the president s budget. great lakes restoration, water run ah control for farmers, pesticide safety. what does that say about the commitment of this administration and you to cleaning up the environment when you re making a 31% cut in your agency and cutting things like that, water run ahs for farm runoffs for farmers? well, part of the issue, chris, is over the last several years there s been a lack of commitment to state partnership. you know, we have state departments of environmental quality across the country that have the resources and the expertise to deal with clean water and clean air issues, and so renewing that partnership chris: are you sure they re going to pick up the slam, or might water safety, water runoff, great lakes restoration, might that all just go by the wayside? i ve met with several governors, in fact, within the first week of having been on the job i met with 20-plus governor
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