基于ZYNQ异质计算的实时生物启发的极化定向分辨率系统
Yuan Li1, Zhuo Liu1, Xiaohui Dong1
1School of Information and Communication Engineering, North University of China, Taiyuan 030051, China.
Sensors (Basel, Switzerland)
|May 14, 2025
概括
本研究介绍了一种用于极化导航的新型芯片系统 (SoC),提供高集成和低功耗. 该系统以最小的误差实现实时定向角度输出,非常适合移动应用.
科学领域:
- 导航技术 导航技术
- 机器人技术和自主系统
- 传感器集成 传感器集成
背景情况:
- 极化导航提供了诸如反干扰和非累积错误等优势.
- 航空航天,自动驾驶和机器人的新兴应用需要集成的低功耗传感器.
研究的目的:
- 为三向偏振导航传感器提出一个芯片上的系统 (SoC) 设计.
- 为了满足移动导航的高集成和低功耗要求.
主要方法:
- 使用ZYNQ MPSoC进行核心处理.
- 在可编程逻辑 (PL) 上实现硬件加速,用于图像采集,预处理和边缘检测.
- 使用的处理系统 (PS) 用于任务协调,角度分辨率和通过霍夫变换提取太阳午线.
主要成果:
- 实现了9.43毫秒的平均方向角度输出时间间隔.
- 在定向角度测定中显示了0.50°的平均误差.
- 满足移动设备的实时处理需求.
结论:
- 拟议的SoC设计有效地解决了对集成的,低功耗的偏振导航系统的需求.
- 该系统的性能适用于自主系统和移动设备中的实时应用.
相关概念视频
Properties of the z-Transform I
136
The z-transform is a fundamental tool in digital signal processing, enabling the analysis of discrete-time systems through its various properties. It is an invaluable tool for analyzing discrete-time systems, offering a range of properties that simplify complex signal manipulations. One fundamental property is linearity. For any two discrete-time signals, the z-transform of their linear combination equals the same linear combination of their individual z-transforms. This property is essential...
136
PI Controller: Design
157
Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
157
PD Controller: Design
154
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,...
154
Linear time-invariant Systems
191
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...
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...
191
Ampere-Maxwell's Law: Problem-Solving
493
A parallel-plate capacitor with capacitance C, whose plates have area A and separation distance d, is connected to a resistor R and a battery of voltage V. The current starts to flow at t = 0. What is the displacement current between the capacitor plates at time t? From the properties of the capacitor, what is the corresponding real current?
To solve the problem, we can use the equations from the analysis of an RC circuit and Maxwell's version of Ampère's law.
For the first part of...
To solve the problem, we can use the equations from the analysis of an RC circuit and Maxwell's version of Ampère's law.
For the first part of...
493
Control Systems: Applications
530
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...
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...
530


