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A Robust Longitudinal Control Strategy of Platoons under Model Uncertainties and Time Delays
المؤلفون المشاركون
Wang, Meng
Alkim, Tom
Chen, Na
van Arem, B.
المصدر
Journal of Advanced Transportation
العدد
المجلد 2018، العدد 2018 (31 ديسمبر/كانون الأول 2018)، ص ص. 1-13، 13ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2018-04-15
دولة النشر
مصر
عدد الصفحات
13
التخصصات الرئيسية
الملخص EN
Automated vehicles are designed to free drivers from driving tasks and are expected to improve traffic safety and efficiency when connected via vehicle-to-vehicle communication, that is, connected automated vehicles (CAVs).
The time delays and model uncertainties in vehicle control systems pose challenges for automated driving in real world.
Ignoring them may render the performance of cooperative driving systems unsatisfactory or even unstable.
This paper aims to design a robust and flexible platooning control strategy for CAVs.
A centralized control method is presented, where the leader of a CAV platoon collects information from followers, computes the desired accelerations of all controlled vehicles, and broadcasts the desired accelerations to followers.
The robust platooning is formulated as a Min-Max Model Predictive Control (MM-MPC) problem, where optimal accelerations are generated to minimize the cost function under the worst case, where the worst case is taken over the possible models.
The proposed method is flexible in such a way that it can be applied to both homogeneous platoon and heterogeneous platoon with mixed human-driven and automated controlled vehicles.
A third-order linear vehicle model with fixed feedback delay and stochastic actuator lag is used to predict the platoon behavior.
Actuator lag is assumed to vary randomly with unknown distributions but a known upper bound.
The controller regulates platoon accelerations over a time horizon to minimize a cost function representing driving safety, efficiency, and ride comfort, subject to speed limits, plausible acceleration range, and minimal net spacing.
The designed strategy is tested by simulating homogeneous and heterogeneous platoons in a number of typical and extreme scenarios to assess the system stability and performance.
The test results demonstrate that the designed control strategy for CAV can ensure the robustness of stability and performance against model uncertainties and feedback delay and outperforms the deterministic MPC based platooning control.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Chen, Na& Wang, Meng& Alkim, Tom& van Arem, B.. 2018. A Robust Longitudinal Control Strategy of Platoons under Model Uncertainties and Time Delays. Journal of Advanced Transportation،Vol. 2018, no. 2018, pp.1-13.
https://search.emarefa.net/detail/BIM-1181929
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Chen, Na…[et al.]. A Robust Longitudinal Control Strategy of Platoons under Model Uncertainties and Time Delays. Journal of Advanced Transportation No. 2018 (2018), pp.1-13.
https://search.emarefa.net/detail/BIM-1181929
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Chen, Na& Wang, Meng& Alkim, Tom& van Arem, B.. A Robust Longitudinal Control Strategy of Platoons under Model Uncertainties and Time Delays. Journal of Advanced Transportation. 2018. Vol. 2018, no. 2018, pp.1-13.
https://search.emarefa.net/detail/BIM-1181929
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1181929
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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