无人驾驶车辆的底层动力学控制研究Research on the Bottom Dynamic Control for Unmanned Ground Vehicle
熊璐;付志强;柏满飞;章仁燮;
摘要(Abstract):
在考虑车辆动力学特性和执行器饱和约束的前提下,将无人驾驶车辆的运动控制问题转化为纵向和横向的渐进跟踪问题,以上层的期望车速和期望道路曲率为控制目标,利用反馈线性化的思想,设计了一种前馈加抗饱和积分的动力学控制算法,并且基于李雅普诺夫函数证明了闭环系统平衡点的渐进稳定。实车试验表明,该动力学控制算法能够快速准确地实现车速和道路曲率的跟踪,从而验证了其有效性。
关键词(KeyWords): 无人车;动力学控制;车速跟踪;横摆角速度跟踪
基金项目(Foundation): 国家科技支撑计划项目(2015BAG17B01);; 国家自然科学基金项目(51475333)
作者(Authors): 熊璐;付志强;柏满飞;章仁燮;
参考文献(References):
- 1孙振平.自主驾驶汽车智能控制系统:[学位论文].长沙:国防科学技术大学,2004.
- 2郭景华,李克强,罗禹贡.智能车辆运动控制研究综述.汽车安全与节能学报,2016,7(2):151~159.
- 3 Marino R,Scalzi S,Netto M.Nested PID Steering Control for Lane Keeping in Autonomous Vehicles.Control Engineering Practice,2011,19(12):1459~1467.
- 4赵盼.城市环境下无人驾驶车辆运动控制方法的研究:[学位论文].合肥:中国科学技术大学,2012.
- 5刘柏楠.道路坡度及车辆质量自适应的自主驾驶车辆纵向速度控制研究:[学位论文].长春:吉林大学,2015.
- 6 Attia R,Orjuela R,Basset M.Combined Longitudinal and Lateral Control for Automated Vehicle Guidance.Vehicle System Dynamics,2014,52(2):261~279.
- 7 Falcone P,Borrelli F,Asgari J,et al.Predictive Active Steering Control for Autonomous Vehicle Systems.IEEETransactions on Control Systems Technology,2007,15(3):566~580.
- 8 Falcone P,Tseng H E,Borrelli F,et al.MPC-based Yaw and Lateral Stabilisation Via Active Front Steering and Braking.Vehicle System Dynamics,2008,46(sup1):611~628.
- 9 Keviczky T,Falcone P,Borrelli F,et al.Predictive Control Approach to Autonomous Vehicle Steering.American Control Conference,Minneapolis,2006.
- 10 Jin C,Xiong L,Yu Z,et al.Path Following Control for Skid Steering Vehicles with Vehicle Speed Adaption.SAE Technical Papers,2014.
- 11 Castro R D,Rui E A,Freitas D.Wheel Slip Control of EVs Based on Sliding Mode Technique with Conditional Integrators.IEEE Transactions on Industrial Electronics,2013,60(8):3256~3271.