Pressure, Force, Motion, and Humidity Sensors

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课程简介

University of Colorado Boulder

课程大纲

In module 1 you will learn how to specify and use various types of pressure sensors for an embedded circuit. First, you will learn about piezoresistive, capacitive, and vacuum sensors. This includes a deep dive into the piezoresistive effect and how a Wheatstone bridge is used in these systems. This is followed by a discussion on pressure transmitters and how to calculate an error budget. Finally, we will give you examples of commercial pressure sensors and explain what you need to know to purchase them on a web site.

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课程详情

This is our third course in our specialization on Embedding Sensor and Motors. To get the most out of this course, you should first take our first course entitled Sensors and Sensor Circuits. Our first course gives you a tutorial on how to use the hardware and software development kit we have chosen for the lab exercises. This third course assumes that you already know how to use the kit. After taking this course, you will be able to: ● Understand how to specify the proper AC or DC motor for a machine design. ● Integrate the motor to a machine, based on analysis of motor equations for voltage, current, torque and speed. ● Implement the motor and accompanying rotary sensor into a motor control circuit in both hardware and software. ● Add a motor and motor control circuit into a microprocessor based development kit. ● Create hardware and firmware to process motor feedback data to a microprocessor for further evaluation. After taking this course, you will be able to: ● Understand how to specify the proper pressure, force, strain, position, motion, acceleration, occupancy, and humidity sensors for taking real-time process data. ● Implement these sensors into an embedded system in both hardware and software. ● Add the sensor and sensor interface into a microprocessor based development kit. ● Create hardware and firmware to process sensor signals and feed data to a microprocessor for further evaluation. In this course you will build the circuit from Video 7 (Lab Exercise on strain gauges), Module 2 (Force and Strain Sensors and Touch Screens), and use it to make screen shots of the timing of the switch. If you haven't already wired up the system and written all the software per the instructions of Video 7, please do so now. You will need to buy the following components to complete this assignment. Note that if you have already purchased the PSOC 5LP PROTOTYPING KIT, you do not need to buy it again. These parts may be purchased off the Digikey web site, www. Digikey.com. One part needs to be purchased off the Sparkfun website www.sparkfun.com. Or, you may obtain the specs from the site, and purchase them elsewhere. Digikey Part numbers are typed out here: 428-3390-ND CF14JT22K0CT-ND CF14JT100KCT-ND Table shown here: Index Quantity Part Number Description 1 1 428-3390-ND PSOC 5LP PROTOTYPING KIT 2 2 CF14JT22K0CT-ND RES 22K OHM 1/4W 5% AXIAL 3 1 CF14JT100KCT-ND RES 100K OHM 1/4W 5% AXIAL Sparkfun part numbers are typed out here: TAL221 Table shown here: Index Quantity Part Number Description 1 1 TAL221 Mini-load cell - 100g, straight bar

压力,力,运动和湿度传感器:这是我们在嵌入式传感器和电机方面的第三门专业课程。为了充分利用本课程,您应该首先参加我们的第一门课程,即传感器和传感器电路。我们的第一门课程为您提供了有关如何使用我们为实验练习选择的硬件和软件开发套件的教程。第三次课程假定您已经知道如何使用该套件。 完成本课程后,您将能够: ●了解如何为机器设计指定合适的交流或直流电动机。 ●根据对电压,电流,转矩和速度的电动机方程分析,将电动机集成到机器中。 ●通过硬件和软件将电动机和随附的旋转传感器安装到电动机控制电路中。 ●将电动机和电动机控制电路添加到基于微处理器的开发套件中。 ●创建硬件和固件,以将电机反馈数据处理到微处理器以进行进一步评估。 完成本课程后,您将能够: ●了解如何指定适当的压力,力,应变,位置,运动,加速度,占用率和湿度传感器以获取实时过程数据。 ●通过硬件和软件将这些传感器实施到嵌入式系统中。 ●将传感器和传感器接口添加到基于微处理器的开发套件中。 ●创建硬件和固件来处理传感器信号并将数据馈送到微处理器以进行进一步评估。 在本课程中,您将根据视频7(应变仪上的实验室练习),模块2(力和应变传感器和触摸屏)构建电路,并使用它来制作开关时序的屏幕截图。如果尚未按照Video 7的说明连接系统并编写所有软件,请立即执行。 您需要购买以下组件才能完成此任务。请注意,如果您已经购买了PSOC 5LP原型套件,则无需再次购买。 这些零件可以从Digikey网站www.www.digkey.com购买。 Digikey.com。需要从Sparkfun网站www.sparkfun.com购买一部分。或者,您可以从网站上获取规格,然后在其他地方购买。 Digikey零件编号在这里输入: 428-3390-ND CF14JT22K0CT-ND CF14JT100KCT-ND 表格显示在这里: 索引数量零件号说明 1 1 428-3390-ND PSOC 5LP原型套件 2 2 CF14JT22K0CT-ND RES 22K OHM 1 / 4W 5%轴向 3 1 CF14JT100KCT-ND RES 100K OHM 1 / 4W 5%轴向 Sparkfun零件号在这里输入: TAL221 表格显示在这里: 索引数量零件号说明 1 1 TAL221微型称重传感器-100克,直杆

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