汽车自适应巡航系统的多性能指标控制算法

凌滨; 宋梦实; 邢键; 赵永辉

doi:10.13433/j.cnki.1003-8728.2018.0506

汽车自适应巡航系统的多性能指标控制算法

doi: 10.13433/j.cnki.1003-8728.2018.0506

1.
东北林业大学机电工程学院, 哈尔滨 150040

基金项目:

国家自然科学基金项目（61405045）资助

详细信息

作者简介:
凌滨(1962-),副教授,硕士,研究方向为汽车自适应巡航控制与汽车混合动力,LingBin_nefu@126.com

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- 文章访问数: 187
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- 被引次数: 0
出版历程
- 收稿日期: 2017-06-11
- 刊出日期: 2018-05-05

Multiple Performance Indicators Control Algorithm of Vehicle Adaptive Cruise System

1.
College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin 150040, China

摘要

摘要: 针对汽车自适应巡航控制系统的多性能指标不协调及不完善的问题，综合考虑汽车的多性能指标和汽车自身的驱动和制动能力，提出一种基于模型预测控制和最优控制的汽车自适应巡航控制算法。根据本车与前车之间的相互纵向运动学特性，建立离散状态空间表达式，引入饱和函数，并以输出变量的加权平方和作为协调多性能指标的目标函数，最后将目标函数的求解问题转化为一维极值问题进行求解。仿真结果验证了算法对安全车距保持的有效性和协调多性能指标的可行性。
- 自适应巡航系统 /
- 多性能指标 /
- 模型预测控制 /
- 约束函数
Abstract: In order to solve the problem that multiple performance indicators of adaptive cruise control (ACC) system are uncoordinated and imperfect, a ACC algorithm based on model predictive control and optimal control is proposed by considering the performance indicators and the driving and braking abilities of vehicle. According to longitudinal kinematic characteristics between the host vehicle and the vehicle in front, the discrete system state space expression is established and a saturated function is introduced. The weighted sum of squares of the output variables is defined as the objective function for the coordinate multiple performance indicators. Finally, the problem of solving the objective function is transformed into a one-dimensional extremum problem. The simulation results verify the effectiveness of the proposed algorithms in safe inter-vehicle distance maintenance and the feasibility of coordinating multi-performance indicators.
- adaptive cruise control system /
- multiple performance indicators /
- model predictive control /
- saturated function

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参考文献(17)

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