Cooperative Power Split Optimization for a Group of Intelligent Electric Vehicles Travelling on a Highway With Varying Slopes

Zhai, Chunjie; Luo, Fei; Liu, Yonggui

doi:10.1109/tits.2020.3045264

Cited by 25 publications

(26 citation statements)

References 37 publications

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“…, are also unknown. Hence, the system matrices A and B in (7) are unknown and the model-based CACC designs in [17], [18], [20]- [24] are inapplicable. This paper will develop a data-driven MPC to get an optimal u(t) to realize two objectives:…”

Section: Mixed Platoon Model and Cacc Problemmentioning

confidence: 99%

“…The proposed MPC will be based on the reachable set of the mixed platoon model (7). The reachable set is the union of all possible y(t) within a finite time when starting from the initial state y(0) ∈ Y and implementing a set of possible u(t) ∈ U, in the presence of disturbance a 0 (t) and measurement noise w(t).…”

Section: A Basics Of Reachability and Zonotopementioning

confidence: 99%

“…The reachable set is to be computed using the matrix zonotope based set-propagation technique in [31], [32], which can represent the high-dimensional sets compactly and is computationally efficient. This technique is essential for this work, because the state x(t) in the platoon model (7) has the dimension of n = 3N, which will be very high as the number of vehicles N increases. The basic knowledge of set representation is recalled from [31], [32] and given below.…”

Section: A Basics Of Reachability and Zonotopementioning

confidence: 99%

“…In this paper, the MATLAB example "Adaptive Cruise Control with Sensor Fusion" is used as the reference to set the values: k h = 0.2, k v = 0.4, k s = 0.5, d still = 5 m, t g = 1.5 s and v set = 24.5 m/s. The AV N has access to the real-time input u(t) and noisy state measurements y(t) of the system (7). Collect T steps input-state data to obtain the sequences {u(t)} T −1 t =0 and {y(t)} T t =0 .…”

Section: B Collection Of Noisy Mixed Platoon Datamentioning

confidence: 99%

“…To address the above challenges, this paper aims to develop a data-driven MPC for mixed platoons with unknown HV model parameters, unknown propulsion time delays and measurement noise. Due to its capability of real-time optimization and explicit constraint handling, MPC has been widely used for platoons of pure AVs [5]- [7], [9], [30] and also for mixed platoon with known HV models [22]. In principle, the MPC design relies on a known platoon model to predict the future platoon trajectory under the candidate control sequence.…”

mentioning

confidence: 99%

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Data-Driven Robust Predictive Control for Mixed Vehicle Platoons Using Noisy Measurement

Lan

Zhao

2023

IEEE Trans. Intell. Transport. Syst.

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Section: Mixed Platoon Model and Cacc Problemmentioning

confidence: 99%

Section: A Basics Of Reachability and Zonotopementioning

confidence: 99%

Section: A Basics Of Reachability and Zonotopementioning

confidence: 99%

Section: B Collection Of Noisy Mixed Platoon Datamentioning

confidence: 99%

mentioning

confidence: 99%

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Data-Driven Robust Predictive Control for Mixed Vehicle Platoons Using Noisy Measurement

Lan

Zhao

2023

IEEE Trans. Intell. Transport. Syst.

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A review on characterization of supercapacitors and its efficiency analysis for different charging methods and applications

et al. 2022

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The dependence on renewable energy to solve the major energy issues related to global warming and shortage of energy resources is increasing drastically. This has led to high level awareness of proper energy storage and management. In this regard, supercapacitors have evolved as an efficient energy storage solution and hence successfully employed in several applications. This is attributed to its high-power density, superior performance, and extended maintenance-free lifetime. Also, it is known for low equivalent series resistance, that means, only a small amount of energy is lost while its charging/ discharging even at high current. As a result, it has developed a lot of inquisitiveness among the research community of recent past for further exploration of different aspects of supercapacitors, ranging from material science, modeling and characterizations, engineering applications, and so forth. This review article aims at putting forth an exclusive study of their characterization of supercapacitor for different charging methods and applications. Further, the prime focus is given to the efficiency estimation of supercapacitors which is very essential as it denotes the amount of energy loss or the utilizable state of charge. The analysis has been carried out based on different charging methods and applications, which is essential for improving overall system reliability and performance. The purpose is to organize all important research carried out in this domain till date and to stimulate further insights for effective energy storage and management.

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Closed‐Loop Haar Wavelet Power Splitting Method for Vehicle‐Mounted Hybrid Energy Storage System

Shen

Sun

et al. 2022

IEEJ Transactions Elec Engng

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Hybrid energy storage systems are widely used in electric vehicles and other fields. Focused on the problem of lithium-ion battery life attenuation caused by high-frequency components in load power requirements, a closed-loop Haar wavelet power splitting method is proposed. First, the circuit structure of the hybrid energy storage system is introduced. Then, based on the analysis of the Haar wavelet transform, the Haar wavelet power splitting method, and closed-loop control algorithm are proposed. On one hand, the Haar wavelet power splitting method is responsible for allocate the high-frequency and low-frequency components of the power demand to ultra-capacitor and lithium-ion battery, respectively; on the other hand, a closed-loop controller is proposed to regulate the output current of the lithium-ion battery dynamically to maintain the stability of the DC bus voltage. Finally, experiments were conducted under CLTC-P driving cycle. The experimental results show that the proposed closed-loop Haar wavelet power splitting method can control the maximum deviation of DC bus voltage within 1.28%, while effectively avoiding the impact of high-frequency components on the life of lithium-ion batteries.

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Cooperative Power Split Optimization for a Group of Intelligent Electric Vehicles Travelling on a Highway With Varying Slopes

Cited by 25 publications

References 37 publications

Data-Driven Robust Predictive Control for Mixed Vehicle Platoons Using Noisy Measurement

Data-Driven Robust Predictive Control for Mixed Vehicle Platoons Using Noisy Measurement

A review on characterization of supercapacitors and its efficiency analysis for different charging methods and applications

Closed‐Loop Haar Wavelet Power Splitting Method for Vehicle‐Mounted Hybrid Energy Storage System

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