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With the development of information science and technology, the expansion of industrial production and the increase in product types, testing has become an indispensable part of every electronic pr...[Details]
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Servo control
1. Working principle of AC servo motor
The rotor inside the servo motor is a permanent magnet. The U/V/W three-phase electricity controlled by the driver forms an electroma...[Details]
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As the core component of new energy vehicles, the electric drive system has an important impact on the vehicle's power, economy, comfort, safety and life.
In the electric drive system, t...[Details]
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On March 25, Huang Jingyun, Chairman of Wenzhou Zinc Era Energy Co., Ltd., and Gao Xiaofa, General Manager, went to Yueqing Bay for inspection and exchange. They had in-depth exchanges on zinc-brom...[Details]
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Iterative innovation of energy technology has promoted the transformation and development of the global energy industry. As the world's largest developing country, the most populous country and the...[Details]
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As
LEDs
continue to improve in almost every aspect of performance and cost,
LED lighting
is being used in an increasingly wide range of applications, with LED street lights being...[Details]
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The IPO applications of Suzhou Lingzhi Software Co., Ltd. and Jinzhou Shengong Semiconductor Co., Ltd. on the Science and Technology Innovation Board will be reviewed. According to the official web...[Details]
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1. Velocity flowmeter (such as vortex flowmeter, swirl flowmeter, turbine flowmeter, ultrasonic flowmeter, etc.); differential pressure flowmeter (orifice flowmeter, V-cone flowmeter, etc.); positi...[Details]
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Abstract: Using an IC (MAX971) that includes an open-drain comparator and a 1% accurate reference voltage, this circuit monitors the magnitude of a negative supply voltage and provides a digital warni...[Details]
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Audi e-tron will soon be sold in the United States, and its energy consumption data and range under EPA testing have been released one by one. The basic data is 74 MPGe (455Wh/mile converted to 28.3k...[Details]
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In recent years, micro-electromechanical system (MEMS) technology and micro-mechanical inertial devices have become increasingly mature, and inertial measurement systems have developed rapidly . Inert...[Details]
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According to reports on October 27, based on reports from CNBC, Reuters and others, on Thursday local time, British Prime Minister Sunak announced plans to establish the world’s first AI security in...[Details]
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The results of the 2022 Xuantie Cup RISC-V Application Innovation Competition were announced, and the carbon neutrality project won the first prize
On November 23, after 7 months of ...[Details]
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Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he wa...[Details]
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The LTC3260 can provide up to 100mA of current at its charge pump output VOUT from an inverting input voltage. In addition, VOUT also serves as the input supply for a negative LDO regulator (LDO-). T...[Details]
Power technology
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