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ZPLC10
资料是电力载波模块ZPLC10的说明,资料含有周立功电力载波模块的所有资料,硬件设计与软件通信协议都有,提供参考设计。(Information is power line carrier communication module ZPLC10 data containing all information ZLG power line carrier communication module, hardware design and software communication protocol, providing reference design.)
- 2016-08-14 15:11:27下载
- 积分:1
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200711-0054-05
TMS28335初始化完成之后,
1、 先DDS产生73.35hz的方波。(问流量管固定频率)
2、 乘法器的另一个数字端输入乘数直接给一个固定值(按照5v),系数是固定的就是对应PID输出的那个接口,串行十二位信号输出(需要先定好一个GPIO接口)。
3、 再延迟一定的时间0.1s或其他时间之后,开始ad采集信号,分别采两路AD信号,此时不稳定(为什么要等到一定的幅值才开始采集AD信号)
4、 选择250点估计一个频率,频率估计的方法采用计算峰值次数的方法或者过零点,总之是为了保证精度采用时域估计的算法,这一块主要是一个扫频子程序,计算频率共振点。
5、 之后改变DDS的输出频率,循环对512点的数据进行扫频的处理
6、 频率控制完成之后,就可以缓慢降低PID控制输出的参数,此时暂时不计算频率,通过不断调整系数使AB的幅度保持在1 的范围内。
7、 测试幅度控制稳定之后a、采用幅度和频率同时控制b。采集数据进入频率估计和相位差估计的后续程序的大循环
8、 注意:采样和控制是同时进行的,所以要设置中断,以及看懂AD的程序,以及内部存储以及数据处理资源的分配。
(TMS28335 initialization is complete,
1, the first DDS generated square wave of 73.35hz. (Q flow tube fixed frequency)
2, another digital side of the multiplier input multiplier directly to a fixed value (in accordance with 5v), the coefficient is fixed corresponding PID output interface, serial twelve signal output (need to be a good one GPIO interface).
3, and then after a certain time delay 0.1s or other time, ad signal acquisition were collected two AD signal instability (Why wait until a certain amplitude began collecting AD signal)
4, 250 point estimate a frequency, frequency estimation method using the method of calculation of the number of peak or zero crossing, in short, in order to ensure the accuracy of time-domain estimation algorithm, this piece is a sweep subroutine to calculate the frequency resonance point.
5, after the change of the output frequency of the DDS data of 512 points, the loop processing Sweep
6, after the completion of the frequency control, it can sl)
- 2013-04-07 15:03:14下载
- 积分:1
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JIS_Absensi
finger 103 for fingerscan
- 2014-11-18 21:48:26下载
- 积分:1
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智能无叶风扇
说明: 基于操作系统,GUI的人际交互界面,,嵌入式智能物业风扇的驱动(Operating System, GUI-based Interactive Interface, Driving of Embedded Intelligent Property Fan)
- 2020-06-23 01:40:01下载
- 积分:1
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PE4302
说明: PE4302正点原子minif103的驱动代码,串行模式,使用请将P/S口接到高电平(最好直接接到单片机3.3V输出口)(Driver code of minif103 of PE4302 punctual atom, serial mode, please connect P/S port to high level (preferably directly to MCU 3.3V output port))
- 2020-06-23 01:40:02下载
- 积分:1
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BLDC-PROGRAM
本代码为STM8S903K 无刷无感电机的驱动源程序
应用在电动工具上 属产品级代码 用电位器调速 保护电流40A(The code STM8S903K brushless non-inductive motor drive source
Is a product-level code used in power tools speed control potentiometer protection current 40A)
- 2013-01-24 08:50:41下载
- 积分:1
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HX711驱动
keil5编写的基于STM32F103T8的模拟HX711驱动程序(Keil5 prepared by the HX711 simulation based on STM32F103T8 driver)
- 2021-05-07 02:58:37下载
- 积分:1
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PICDoorbell
用汇编写的音乐门铃的程序,虽然程序不大,但程序的内容很丰富,另配有PROTEUS的电路图。(Compilation of music written by doorbell procedures, although the procedure, but the procedure is very rich in contents, reprovision PROTEUS have the circuit diagram.)
- 2007-08-13 09:58:58下载
- 积分:1
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BC95_Domestic_BoudicaV100R100C10B656_0428
说明: BC95开发资料,Quectel_BC95_NB-IoT_模块产品规格书,全部代码(BC95 Development Information, Quectel_BC95_NB-IoT_Module Product Specification, All Codes)
- 2019-06-14 09:15:12下载
- 积分:1
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L6
说明: 异步电动机又称感应电动机,是由气隙旋转磁场与转子绕组感应电流相互作用产生电磁转矩,从而实现机电能量转换为机械能量的一种交流电机。(Asynchronous motors, also known as induction motor, rotating magnetic field by an air gap and the rotor winding induced current interaction of electromagnetic torque, electromechanical energy conversion in order to achieve an alternating electrical to mechanical energy.)
- 2016-04-24 20:18:28下载
- 积分:1