An efficient vehicle-following predictive energy management strategy for PHEV based on improved sequential quadratic programming algorithm

Yang, Chao; Wang, Muyao; Wang, Weida; Pu, Zesong; Ma, Mingyue

doi:10.1016/j.energy.2020.119595

Cited by 48 publications

(8 citation statements)

References 34 publications

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“…Many researchers continuously improve the Optimization Algorithm. 42,43 Sequential quadratic programming method is expressed as follows. In the search for the optimal solution, quadratic programming is used to simplify a nonlinear problem.…”

Section: Optimization Process and Results Discussionmentioning

confidence: 99%

Study on the effect of curvature radius sudden change on mechanism characteristics for the constant-breadth two circular-arc cam mechanism with an inclined flat-faced follower

Wang

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part C:

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A two circular-arc cam mechanism is a special kind of constant-breadth cam. At the junction point of each cam contour, a mutation of the curvature radius may be produced, which affects the motion performance of the mechanism, especially its jerk performance at high speed. Based on a proposed motion model, the follower movements of the constant-breadth two circular-arc cam mechanism with an inclined flat-faced follower are analyzed. Bezier Curve is proposed to fit the driving law of the cam mechanism, while variable speed law is adopted to drive the cam mechanism motion, thus reducing motion characteristic value (AV)max (i.e., the maximum value of the velocity multiplied by acceleration for the follower’s motion law of the cam mechanism at the same motion time point) and the jerk of the follower. In this paper, the establishment of the optimization objective functions and constraint conditions, and the control node selections of the cam drive function are researched. The optimization results are obtained by using the primary objective method. The results of a test case calculation and simulation show that, the optimized drive function, according to the variable motor speed, can significantly reduce the value of (AV)max of the follower, while the jerks of the follower system are also reduced considerably. More precisely, the (AV)max value is reduced by 11.63% and the jerks are reduced on average by 15.35%, at the three jerk positions. The proposed methods provide a new approach to improving the kinematic performance of similar cam mechanisms.

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Section: Optimization Process and Results Discussionmentioning

confidence: 99%

Study on the effect of curvature radius sudden change on mechanism characteristics for the constant-breadth two circular-arc cam mechanism with an inclined flat-faced follower

Wang

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part C:

View full text Add to dashboard Cite

show abstract

“…Many researchers continuously improve the optimization algorithm. 39,40 SQP method is expressed as follows. In searching for the optimal solution, quadratic programing is used to simplify a nonlinear problem.…”

Section: Optimization Methodsmentioning

confidence: 99%

Optimization design of a bionic horse’s leg system driven by a cam-linkage mechanism

Liu

Zhang

Wang

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part C:

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For equine-assisted therapy, a bionic horse configuration is presented. A bionic horse’s single leg system has two degrees of freedom (DOFs), which is driven by a cam-linkage mechanism and can adjust the leg’s endpoint trajectory. Based on analyzing the motion law of the bionic horse and the foot trajectory’s requirements of the leg system, a multi-objective optimization model is established based on the foot trajectory performance index. To determine the objective function, the errors between the ideal foot trajectory and the mechanism motion model’s foot trajectory, and the errors between the actual adjustable values and the target values for the motion range are taken as the optimization objective. In terms of the constraint conditions, the structural constraints, kinematic feasible region conditions, pressure angle requirements, et al., are considered. The ideal mechanism parameters are obtained by the intelligent optimization method. The results are verified by simulation modeling and experimental prototype, and the relevant ideas can provide a reference for the research of similar problems.

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“…speed (Yang et al 2021), cost minimization of a hybrid photovoltaic, diesel generator, and battery energy storage system (Tian et al 2021), dynamic combined economic emission dispatch problem (Gul et al 2021), robust design of power system stabilizers and static VAR compensator (Welhazi et al 2022), and transient control of turbofan engines (Wang et al 2021).…”

Section: The Proposed Fann-aoa-sqp Algorithmmentioning

confidence: 99%

Analysis of heat transmission in convective, radiative and moving rod with thermal conductivity using meta-heuristic-driven soft computing technique

Khan

Sulaiman

Alshammari

2022

Struct Multidisc Optim

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The present study analyzes the thermal attribute of conductive, convective, and radiative moving fin with thermal conductivity and constant velocity. The basic Darcy's model is utilized to formulate the governing equation for the problem, which is further nondimensionalized using certain variables. Moreover, an effective soft computing paradigm based on the approximating ability of the feedforword artificial neural networks (FANN's) and meta-heuristic approach of global and local search optimization techniques is developed to quantify the effect of variations in significant parameters such as ambient temperature, radiation-conduction number, Peclet number, nonconstant thermal conductivity, and initial temperature parameter on the temperature gradient of the rod. The results by the proposed FANN-AOA-SQP algorithm are compared with radial basis function approximation, Runge-Kutta-Fehlberg method and machine-learning algorithms. An extensive graphical and statistical analysis based on solution curves and errors such as absolute errors, mean square error, standard deviations in Nash-Sutcliffe efficiency, mean absolute deviations, and Theil's inequality coefficient are performed to show the accuracy, ease of implementation, and robustness of the design scheme.

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An efficient vehicle-following predictive energy management strategy for PHEV based on improved sequential quadratic programming algorithm

Cited by 48 publications

References 34 publications

Study on the effect of curvature radius sudden change on mechanism characteristics for the constant-breadth two circular-arc cam mechanism with an inclined flat-faced follower

Study on the effect of curvature radius sudden change on mechanism characteristics for the constant-breadth two circular-arc cam mechanism with an inclined flat-faced follower

Optimization design of a bionic horse’s leg system driven by a cam-linkage mechanism

Analysis of heat transmission in convective, radiative and moving rod with thermal conductivity using meta-heuristic-driven soft computing technique

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