CN114944835B - 脉冲宽度调制生成捕获平台 - Google Patents
脉冲宽度调制生成捕获平台 Download PDFInfo
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- CN114944835B CN114944835B CN202210874639.7A CN202210874639A CN114944835B CN 114944835 B CN114944835 B CN 114944835B CN 202210874639 A CN202210874639 A CN 202210874639A CN 114944835 B CN114944835 B CN 114944835B
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- 238000001914 filtration Methods 0.000 claims abstract description 90
- 238000004458 analytical method Methods 0.000 claims abstract description 19
- 238000007493 shaping process Methods 0.000 claims description 17
- 238000003708 edge detection Methods 0.000 claims description 13
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 21
- 238000000034 method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210874639.7A CN114944835B (zh) | 2022-07-25 | 2022-07-25 | 脉冲宽度调制生成捕获平台 |
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CN202210874639.7A CN114944835B (zh) | 2022-07-25 | 2022-07-25 | 脉冲宽度调制生成捕获平台 |
Publications (2)
Publication Number | Publication Date |
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CN114944835A CN114944835A (zh) | 2022-08-26 |
CN114944835B true CN114944835B (zh) | 2022-10-28 |
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CN202210874639.7A Active CN114944835B (zh) | 2022-07-25 | 2022-07-25 | 脉冲宽度调制生成捕获平台 |
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CN (1) | CN114944835B (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101345513A (zh) * | 2007-07-11 | 2009-01-14 | 原景科技股份有限公司 | 可抑除音频噪声的切换式音频功率放大器 |
CN103219971A (zh) * | 2013-04-19 | 2013-07-24 | 上海大学 | 基于调制波周期归一化的spwm脉冲波产生系统 |
CN109361381A (zh) * | 2018-12-10 | 2019-02-19 | 珠海市微半导体有限公司 | 一种pwm生成电路、处理电路及芯片 |
CN111418159A (zh) * | 2017-10-02 | 2020-07-14 | 思睿逻辑国际半导体有限公司 | 脉冲宽度调制 |
CN112242828A (zh) * | 2020-09-11 | 2021-01-19 | 深圳市杉川机器人有限公司 | 一种脉冲宽度调制信号的捕获方法、装置及设备 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10812060B2 (en) * | 2018-05-30 | 2020-10-20 | Texas Instruments Incorporated | Managing pulse-width modulation trip signals from multiple sources |
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2022
- 2022-07-25 CN CN202210874639.7A patent/CN114944835B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101345513A (zh) * | 2007-07-11 | 2009-01-14 | 原景科技股份有限公司 | 可抑除音频噪声的切换式音频功率放大器 |
CN103219971A (zh) * | 2013-04-19 | 2013-07-24 | 上海大学 | 基于调制波周期归一化的spwm脉冲波产生系统 |
CN111418159A (zh) * | 2017-10-02 | 2020-07-14 | 思睿逻辑国际半导体有限公司 | 脉冲宽度调制 |
CN109361381A (zh) * | 2018-12-10 | 2019-02-19 | 珠海市微半导体有限公司 | 一种pwm生成电路、处理电路及芯片 |
CN112242828A (zh) * | 2020-09-11 | 2021-01-19 | 深圳市杉川机器人有限公司 | 一种脉冲宽度调制信号的捕获方法、装置及设备 |
Non-Patent Citations (1)
Title |
---|
基于DSP的光电编码器角度测量;渠继峰等;《传感器世界》;20090430(第4期);第28-31段 * |
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Inventor after: Qin Junrui Inventor after: Kuang Weifeng Inventor after: Wu Jin Inventor after: Ding Yanyu Inventor after: Duan Zhikui Inventor before: Qin Junrui Inventor before: Kuang Weifeng Inventor before: Hu Jianguo Inventor before: Wu Jin Inventor before: Wang Deming Inventor before: Ding Yanyu Inventor before: Duan Zhikui |