电动直升机尾部减速系统的稳健控制设计:模糊视图和基于斯塔克尔伯格游戏理论的优化优化
1School of Mechanical Engineering, Hefei University of Technology, Hefei 230009, Anhui, China; School of Mechanical Engineering, Swinburne University of Technology, Melbourne, VIC 3122, Australia.
ISA transactions
|December 16, 2023
概括
一个新的强大的控制器提高了电动直升机尾部减速 (EHTD) 系统在不确定性下的性能. 斯塔克尔伯格游戏理论优化了控制参数,提高了系统稳定性并降低了成本.
科学领域:
- 控制系统工程 控制系统工程
- 航空航天工程 航空航天工程
- 游戏理论 游戏理论
背景情况:
- 电动直升机尾部减速 (EHTD) 系统面临不确定性和非线性动态的挑战.
- 现有的控制方法可能无法充分解决这些复杂的操作环境.
研究的目的:
- 为 EHTD 系统设计一种新的,强大的控制器.
- 使用Stackelberg游戏理论优化控制参数,以提高系统性能并最大限度地降低控制成本.
主要方法:
- 一个强大的控制器是设计的,它结合了模糊的集合理论来建模不确定性边界.
- 斯塔克尔伯格游戏理论,一个两人 (领导者-追随者) 模型,被用来确定最佳控制参数.
- 定义了两个性能指数,包括系统性能和控制成本.
主要成果:
- 提出的强大的控制器有效地管理了EHTD系统中的不确定性和非线性.
- 斯塔克尔伯格的策略成功地产生了最佳的控制参数,使定义的绩效指数最小化.
- 数字模拟验证了设计的控制器和优化方法的有效性.
结论:
- 通过Stackelberg游戏理论优化的新型强大的控制器,为EHTD系统提供了有效的解决方案.
- 模糊集合理论和Stackelberg策略的整合为控制参数优化提供了一个强大的框架.
- 该研究表明,EHTD系统的性能和控制成本效率有了显著的改善.
相关概念视频
Time-Domain Interpretation of PD Control
118
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...
118
PD Controller: Design
240
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,...
240
Controller Configurations
101
Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
101
Feedback control systems
315
Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
315
Multi-input and Multi-variable systems
106
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
In the absence...
106
Root-Locus Method
154
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...
154


