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1. The green light in the figure is the elevator up indicator, the yellow light is the down indicator, and the red light is the alarm indicator. 2. The elevator is initially located on the first floo...[Details]
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在现代工业控制中,采用变频器控制电动机的电力拖动系统,有着节能效果显著,调节控制方便,维护简单,可网络化集中远程控制,可与PLC 组成控制系统等优点。变频器的这些优点使其在工业自动控制领域中的应用日益广泛。本文对变频器应用中的故障问题进行了分析,并介绍了处理方法。
1 Some problems in inverter application
1.1 Harmonic P...[Details]
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Lead-acid batteries are widely used as starting power sources for motor vehicles such as automobiles, airplanes, and ships, or generators, because of their simple maintenance, low price, reliable p...[Details]
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Researchers from the University of Central Florida (UCF) have built a device for AI that replicates the retina of the eye. The research could lead to cutting-edge AI technology that will be able to i...[Details]
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The intelligent thickness gauge studied in this project is a complete solution based on a single-chip microcomputer, consisting of a main controller, a measuring sensor, an AD conversion module, a li...[Details]
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introduction
As the scale of communication networks continues to expand, the number of communication power supplies is also increasing, and the monitoring of communication power supplies has bec...[Details]
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The high-voltage switch tester prompts "Output short circuit or overload, please turn off the machine to check the control wiring" Problem analysis:
(1) The control wiring is wrong, causing the ins...[Details]
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Abstract: Multi-DSP signal processing boards are widely used in many aspects such as industry, military, communications and medical care. This article introduces the design of a m...[Details]
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In November 2022, Tesla recalled 40,000 cars. One of the reasons was that a bug was discovered in the car's online upgrade (OTA, over-the-air), which caused the car to encounter potholes or bumps on ...[Details]
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In the current sluggish market, the development of the collaborative industry is in full swing!
On October 5, a Korean robot company
won the largest IPO in Korea so far this year
. At...[Details]
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Jiwei.com reported on September 14 (Text/Digital Control) that the iPhone 12 has not yet been released, but domestic e-commerce platforms have already taken action. Apple will hold a new product laun...[Details]
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Not long ago, a Waymo driverless taxi and a cyclist had an accident in San Francisco. The accident occurred around 3 pm local time. After the accident, the cyclist was not seriously injured and did...[Details]
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Core Tip : Wearable health sensors have been available for a long time, and an absorbable Proteus sensor has also been born (has passed the FDA (US Food and Drug Administration) review), and the appl...[Details]
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According to foreign media GSMArena, Transsion's first high-end phone, the Phantom X, has been launched in overseas markets. The phone is equipped with the MediaTek Helio G95 chip and is priced from ...[Details]
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Recently, there have been continuous news about the use of MLED in vehicles. Changan Qiyuan E07 uses Jufei Optoelectronics COB; Zeekr 7X uses Ruifeng Optoelectronics' Mini LED backlight vehicle scr...[Details]