对于不确定的多重质量系统而言,一个新的宽带控制方案及其对传动系统板的应用
Katsumi Sugiura1, Jiayi Fang1, Kang-Zhi Liu1
1Department of Electrical and Electronic Engineering, Chiba University, Chiba, Japan.
ISA transactions
|August 23, 2024
概括
这项研究引入了一种新的双阶段控制设计,用于多质量系统,以抑制扭矩振动. 该方法提高了控制带宽和性能,解决了现有方法的局限性,以提高运动系统稳定性.
科学领域:
- 机械工程 机械工程
- 控制系统工程 控制系统工程
背景情况:
- 扭动振动是多质量系统的一个重要问题,影响运动系统的性能.
- 现有的控制方法往往忽略了高阶共振模式,限制了控制带宽和有效性.
- 对参数变化的稳定性对于可靠的振动抑制至关重要.
研究的目的:
- 提出一套新的两阶段设计方案,用于在多质量系统中的宽带振动控制.
- 为了提高控制性能和对参数变化的稳定性.
- 为了解决目前仅关注初级共振模式的方法的局限性.
主要方法:
- 开发了一种混合不确定性模型,它包含了初级模式的不确定弹常数和更高模式的动态不确定性.
- 参数不确定性的被动性用于名义系统上的相位补偿.
- 强大的性能设计是通过将不确定性转化为规范限制的形式来实现的.
主要成果:
- 拟议的混合不确定性模型平衡了模型保守性和设计可行性.
- 阶段补偿有效地转化不确定性,使可靠的控制设计.
- 该方法通过对车辆传动系统板的模拟和实验来证明其优越性.
结论:
- 这种新的两阶段设计方案有效地实现了对多质量系统的宽带控制.
- 这种方法增强了振动抑制和强度,优于传统方法.
- 该方法在车辆传动系统板上得到了验证,为运动系统控制提供了显著的进步.
相关概念视频
Multi-input and Multi-variable systems
105
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...
105
Open and closed-loop control systems
686
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...
686
Feedback control systems
296
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...
296
Multimachine Stability
150
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
150
One-Degree-of-Freedom System
473
In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, engineers can predict the behavior of various parts in a larger system, which gives them insight into how different forces interact with each other.
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
473
Controller Configurations
89
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...
89


