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Tesla's overall vehicle registrations in California nearly halved in the fourth quarter of 2019. It is reported that registrations in California plummeted 46.5% to 13,584 vehicles, compared with 25,4...[Details]
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According to foreign media reports, automotive technology company Veoneer, Inc. announced that it has begun mass production of its fourth-generation thermal imaging sensor technology, Night Vision. T...[Details]
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On November 18, State Grid Tianjin Electric Power Company launched the construction of a smart energy control system (CPS) at six power customers in Tianjin. This is the first large-scale promotion...[Details]
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Preface
FOC is indispensable for permanent magnet synchronous motor control. This chapter mainly introduces the basic principles of FOC control, coordinate transformation, and the mathematical...[Details]
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According to public data, IBM's current revenue is $79.95 billion, which has returned to the level of 1998, when its revenue was $81.67 billion. But this does not take into account inflation, and if ...[Details]
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Design a servo controller for a high-precision large telescope based on high-speed microcontroller C8051F120 and CPLD. The microcontroller implements the closed-loop control algorithm, host computer ...[Details]
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On August 4, Fudan Microelectronics officially landed on the Science and Technology Innovation Board with the stock code 688385, an issue price of 6.23 yuan per share, and an issue price-earnings rat...[Details]
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On September 19, the "Key Technologies, Complete Equipment and Engineering Applications of Flexible Substations" passed the technical appraisal of the Chinese Society of Electrical Engineering. Exp...[Details]
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The power amplifier, commonly known as the "loudspeaker", is the most basic device in the audio system. Its task is to amplify the weak electrical signal from the signal source (from the mixing consol...[Details]
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Earlier, Tianyancha information showed that the wholly-owned subsidiary of OPPO Guangdong Mobile Communications Co., Ltd. changed on July 30. Shoupu Technology (Shanghai) Co., Ltd. was renamed Zheku ...[Details]
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When you are new to PLC ladder diagram programming, you should follow certain rules and develop a good habit. Below, taking Mitsubishi FX series PLC as an example, I will briefly introduce the rule...[Details]
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In order to achieve the accuracy of the measurement data, in addition to choosing the right instrument, the choice of test and measurement methods should not be underestimated. The power unit o...[Details]
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1 Introduction
The racing car brake system is a relatively independent subsystem of the racing car system. Its function is to bear the static weight and dynamic impact load of the racing car a...[Details]
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The six-degree-of-freedom electromagnetic tracking system calculates the six degrees of freedom parameters of the target based on the principle of electromagnetic induction, thereby uniquely determ...[Details]
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Recently, Geely Automobile was revealed to be setting up a separate electric vehicle business entity to differentiate it from its traditional fuel vehicle business. An insider confirmed that the st...[Details]
Test/Measurement
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