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1. The forward and reverse control method of the inverter
There are two main ways for the inverter to achieve forward and reverse rotation of the motor: external control and internal control.
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LED flashing loop statement loop statement (1) while (conditional expression) {statement} Only when the value of the conditional expression in the parentheses after while is true, the program will re...[Details]
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The onboard switch is a key subsystem of the satellite-based information system. It is one of the key technologies that restrict the development of the space-based information system. The core of the ...[Details]
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Application Information
Output current
The output current is sampled by the error amplifier inside the chip and compared with the internal reference voltage and the error is amplifi...[Details]
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stm32f1 has three low power consumption modes: sleep, shutdown and standby. When testing the standby mode, I found that it could not be awakened by the IO port interrupt. I was confused and spent a...[Details]
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Since the working current of the rectifier is large, when testing with a multimeter, you can first use the RX1k gear to check its unidirectional conductivity, and then use the RX1 gear to test again ...[Details]
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Generate spectrum
Figure 25 below illustrates the process of generating a displayed spectrum curve:
Figure 25 Generated spectrum curve
In this process, the data is first multiplied by a...[Details]
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According to foreign media reports, Tesla will add a high-occupancy vehicle (HOV) automatic recognition function. When it detects that the vehicle is carrying two or more passengers, the Navigate o...[Details]
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XC series PLC model description takes XC3-32RT-E as an example:
XC3——serial number, 32——I/O points, RT——output type (R stands for relay/T stands for transistor),
E/C——Indicates power supp...[Details]
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On the evening of November 12, SMIC released its Q3 financial report. According to the financial report, SMIC's revenue in Q3 was US$816.5 million, gross profit was US$170 million, and net profit was...[Details]
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According to the latest news from blogger @数码闲聊站 today, OPPO has a new K series phone on the way. The phone is OPPO K9 Pro, which will be equipped with MediaTek Dimensity 1200 processor and a 120Hz h...[Details]
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According to domestic media statistics, there have been four hydrogen-related explosions in the world in the past four months. Currently, Japan, South Korea and Norway have stopped the sales of hydro...[Details]
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Major automakers are using light-emitting diodes (LEDs) extensively , in addition to traditional headlights, taillights, daytime running lights, parking lights and turn signals to make their ca...[Details]
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Overview
Electrical sensors have been the standard for measuring physical and mechanical phenomena for decades. Although they are ubiquitous in test and measurement, they have inherent drawbacks as...[Details]
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The problem of unstable servo motor speed usually involves multiple factors. The following is a detailed analysis and solution to this problem:
1. Cause Analysis
(1) Problems with the mot...[Details]
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