The frequency converter (ABB ACS800) with a short-circuited winding motor always reports an overload or overspeed (when descending) fault! Is it a motor fault?Thank you for your answers! My lifting me...
I made an application for IIC to read temperature. After running my application, the system was stuck. When I used an oscilloscope to monitor the IIC waveform, it was always sending data. But after ru...
[i=s]This post was last edited by scky333 on 2017-2-9 16:26[/i] When I was using uCOSIII + EMWIN to make a music playback function, there was always a jam or crash. I found that only two of the three ...
When I download IAR5.51, both the 30-day limited version and the 4k limited version say that the difference from the official version is that it does not contain "Source code for runtime libraries". W...
The project I was working on was my first experience with FPGA design, and I used the Quartus2 platform to run it. The comprehensive compilation passed, but the timing simulation went wrong: it said t...
1. Parallel connection of rectifier bridges In low-power design, parallel connection of rectifier bridges is rarely used. However, in some high-power output situations, if you do not want to add new d...
introduction
Bluetooth technology is a short-range wireless communication technology designed to replace wired cables. It is a wireless communication technology standard developed by the SIG, ...[Details]
When we travel in cities, we all find that electric vehicles have many advantages. As a means of transportation, they can also fulfill their mission well. Now, more and more residential communities...[Details]
New energy pure electric vehicles generally accelerate faster than comparable fuel-powered vehicles, both from a standing start and while accelerating. Many believe this is simply due to the motor'...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
Over the past decade, the narrative surrounding fuel vehicles has been one of decline and replacement. Under the onslaught of new energy vehicles, traditional automakers have been forced to acceler...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
For self-driving cars, LiDAR is the sensory organ that allows them to "see the road." Simply put, its operating principle involves sending out a laser beam, receiving the echo, and ultimately gener...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
The practice of warming up a car originated with gasoline-powered vehicles. Warming up the engine allows it to enter a better working state and ensures good lubrication. This has become a habit for...[Details]
It’s a collaborative blueprint designed to address integration complexities and create scalable solutions through Arm’s automotive innovation ecosystem.
The transformation of future mo...[Details]
A transimpedance amplifier (TIA) is a front-end amplifier for optical sensors, such as photodiodes, converting the sensor's output current into a voltage. The concept of a transimpedance amplifier ...[Details]
Using the STM32F103 as a microprocessor, a low-cost wireless WiFi music player system was designed. This system, combined with the WM-G-MR-08 (wm631) module for WiFi data reception and the VS1003B ...[Details]
When installing circuits, we all hope to have a safe and protective electrical appliance. Circuit breakers and circuit breakers are such a thing. As we all know, a circuit breaker is an elect...[Details]