基于模型的混合控制纯追求和斯坦利方法的车辆路径跟踪跟踪
1Department of Automotive Engineering, Korea National University of Transportation, Chungju 27469, Republic of Korea.
Sensors (Basel, Switzerland)
|October 29, 2025
概括
一个新的混合路径跟踪控制器系统地结合了控制方法,改善了车辆动态. 与传统的单个控制器相比,这种先进的方法减少了8.8%的根-平均-平方追踪错误.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 控制系统工程 控制系统工程
- 汽车工程 汽车工程
背景情况:
- 控制器的非系统组合在动态车辆控制中存在局限性.
- 基于规则的方法通常在复杂的驾驶场景中难以适应.
- 基于模型的控制需要准确的车辆动态建模以获得最佳性能.
研究的目的:
- 开发一种系统方法,用于组合多个控制器,以增强路径跟踪.
- 引入混合路径跟踪控制器,利用模型概率进行适应性.
- 在现实的模拟环境中验证拟议的控制器的有效性.
主要方法:
- 对控制策略的系统组合方法的应用.
- 使用自行车模型进行基于模型的过程模拟.
- 使用交互式多个模型过算法计算模型概率.
- 基于模型概率的混合路径跟踪控制器的开发.
主要成果:
- 与单一方法相比,拟议的混合控制器表现出优越的性能.
- 在四分之一圆路径上,根-平均-平方 (RMS) 追踪性能误差减少了6.0-8.8%.
- 在一般路径上,RMS跟踪错误减少了3.3%.
- 使用MORAI驱动模拟器进行验证,模拟真实的道路条件.
结论:
- 新的系统控制器组合方法有效地克服了非系统方法的局限性.
- 混合路径跟踪控制器在车辆动态方面提供了更好的准确性和适应性.
- 拟议的方法显示了提高自动驾驶系统的巨大潜力.
相关概念视频
Root-Locus Method
470
A cruise control system in a car is designed to maintain a specified speed automatically by adjusting the gas pedal. The system continuously measures the vehicle's speed and makes fine adjustments to the pedal to achieve this goal. The root locus method is particularly useful for understanding how the cruise control system's behavior changes under varying conditions, such as when the car goes uphill, downhill, or faces strong wind resistance.
This system can be represented by a block...
This system can be represented by a block...
470
PD Controller: Design
611
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
611
Open and closed-loop control systems
1.6K
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
1.6K
Hierarchy of Motor Control
5.9K
The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
5.9K
Relative Motion Analysis using Rotating Axes-Problem Solving
693
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
Here, in order to determine the magnitude of velocity and acceleration for point...
693
Time-Domain Interpretation of PD Control
364
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
Consider the example of control of motor torque. Initially, a positive...
364


