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相关概念视频

Control Systems: Applications01:25

Control Systems: Applications

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Electrical engineering plays a pivotal role in our daily lives, with control systems at the heart of many applications, from home appliances to sophisticated space shuttles. Control systems manage and regulate the behavior of devices and processes, ensuring they function safely, correctly, and efficiently.
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
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Control System Problem01:21

Control System Problem

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In an open-loop system, such as a basic thermostat, the poles of the transfer function influence the system's response but do not determine its stability. However, when feedback is introduced to form a closed-loop system, such as an advanced thermostat that adjusts heating based on room temperature, stability is governed by the new poles of the closed-loop transfer function.
When forming a closed-loop system, issues can arise if the poles cross into the unstable region, leading to potential...
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Control Systems01:10

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Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
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Linear time-invariant Systems01:23

Linear time-invariant Systems

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A system is linear if it displays the characteristics of homogeneity and additivity, together termed the superposition property. This principle is fundamental in all linear systems. Linear time-invariant (LTI) systems include systems with linear elements and constant parameters.
The input-output behavior of an LTI system can be fully defined by its response to an impulsive excitation at its input. Once this impulse response is known, the system's reaction to any other input can be...
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Open and closed-loop control systems01:17

Open and closed-loop control systems

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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...
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Time and frequency -Domain Interpretation of Phase-lag Control01:21

Time and frequency -Domain Interpretation of Phase-lag Control

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Phase-lag controllers are widely used in control systems to improve stability and reduce steady-state errors. A dimmer switch controlling the brightness of a light bulb serves as a practical example of phase-lag control, gradually adjusting the bulb's brightness. Mathematically, phase-lag control or low-pass filtering is represented when the factor 'a' is less than 1.
Phase-lag controllers do not place a pole at zero, but instead influence the steady-state error by amplifying any...
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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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一个量子计算测量和控制系统与基于FPGA的调度系统.

Yijun Liu1, Yi Li1

  • 1Tsinghua Shenzhen International Graduate School, University of TsingHua of China, Shenzhen 515100, China.

The Review of scientific instruments
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概括
此摘要是机器生成的。

一个新的现场可编程门阵列 (FPGA) 调度系统增强了超导量子计算. 这种可扩展的架构使复杂的,长时间的量子比特控制脉冲能够有效地进行控制,从而推进大规模的量子系统.

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科学领域:

  • 量子计算是一种量子计算.
  • 超导量子比特是超导量子比特.
  • 控制系统工程 控制系统工程

背景情况:

  • 当前的量子比特控制架构面临着可扩展性挑战,随着超导量子计算中的量子比特数量的增加.
  • 对于先进的量子实验来说,对多通道,长序脉冲的有效管理至关重要.
  • 有限的存储和计算资源阻碍了大型量子比特系统的扩展.

研究的目的:

  • 为大规模超导量子计算开发一个可扩展的控制架构.
  • 为了使多通道,长序脉冲的产生,在最小的资源利用.
  • 展示基于现场可编程门阵列 (FPGA) 的调度系统,用于增强量子比特控制.

主要方法:

  • 设计并实施了基于现场可编程门阵列 (FPGA) 的量子比特控制调度系统.
  • 使用了可重复使用的信封和预装到电子产品中的指令设计,用于产生脉冲.
  • 在部署的系统上进行了性能测试和表征实验,包括随机基准测试.

主要成果:

  • 该FPGA系统高效地产生多通道长序脉冲与最小的存储.
  • 实现了单个量子位放松时间 (T1) 的34.1μs和脱相时间 (T2*) 的25.8μs.
  • 使用随机基准测试,证明了 99.962% 的平均门忠实度.

结论:

  • 开发的基于FPGA的调度系统为控制大型超导量子比特系统提供了可扩展的解决方案.
  • 该架构支持延长脉冲控制长度和复杂的实验,无需外部存储.
  • 该系统的高性能和高效率为推进量子计算铺平了道路.