Zhou Bolong
Acrel Electric Co., Ltd. Shanghai Jiading 201801
Abstract: The power system is an important part of the production and equipment operation of cement enterprises. The safe operation of the ...
I saw a power supply guy posting books today. He recommended Basso's book "Switching Power Supply Simulation and Practical Design First Edition". I didn't find the first edition, but our download cent...
I participated in the forum event [MPC Mall Big Discount Experience Season] and purchased the following development board and chip.I placed the order last Wednesday and received the goods yesterday. I...
The PB8-BOOT0 pin of my board STM32G431CBT6 is designed to connect to the AT24C08 device, but PB8 defaults to the BOOT0 function. I used STM32CubeMX to generate the program, but it does not work prope...
1. How much importance do companies place on software testing?It can be seen that most companies still attach importance to software testing.
2. Educational requirements for software testing engineers...
Study Notes: Li Rui from Shanghai Jiaotong University - Research Solutions for Energy Storage Systems
Author: The Sky That Has Not Flyed
Source: The Road to Switching Power Supply (Official Account)Th...
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]
Lithium iron phosphate batteries are used as lithium-ion secondary batteries. Their main application is now in power batteries, which have great advantages over NI-H and Ni-Cd batteries.
Lithi...[Details]
With the continuous development of integrated circuit technology, integrated circuits have developed from thousands of gates to the current level of millions and tens of millions of gates. The applica...[Details]
When designing a PLC system, the control scheme should be determined first, and the next step is to select the PLC engineering design. The characteristics of the process and the application require...[Details]
Brain-computer interface (BCI) is a novel human-computer interface method. It is defined as a brain-computer (computer or other device) communication system that does not rely on the normal output ...[Details]
1 Introduction
The ball nut is the internal thread element of the ball screw pair. Its precision directly affects the transmission quality of the ball screw pair. Due to its advantages such as...[Details]