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1 Introduction There are two main ways to control the weakening magnetic field of permanent magnet synchronous motors, one is based on feedforward and the other is based on feedback. Feedforwa...[Details]

/* Program effect: 1. Display 899 when the computer is turned on 2. Press key0 once to increase the number by 1, and press key1 once to decrease the number by 1. When the number reaches...[Details]

*—————————————————————— 〖Description〗SPI bus driver includes the standard mode of ordinary package and the standard mode of special package, and the default crystal oscillator is 11.0592MHz. 〖File〗93...[Details]

Recently, Yongtai Technology said in an institutional survey that the VC project capacity release plan is in preparation for trial production and is scheduled to be put into production in August-Sept...[Details]

For hexagonal nuts, the commonly used standards are: GB52, GB6170, GB6172 and DIN934. The main differences between them are: GB6170 is thicker than GB52, GB6172 and DIN934, commonly known as thick ...[Details]

Introduction Compared with the traditional single power supply, parallel power supply has many advantages, such as large capacity, high efficiency, high reliability, redundant system confi...[Details]

With the development and maturity of computer technology and communication technology, data communication has become a widely used communication method. It uses communication systems to transmit, e...[Details]

When faced with the need to measure multiple parameters or multiple devices, independent solutions can solve the problem, but they are often cumbersome and time-consuming. Faced with these problems, ...[Details]

Battery Capacity Meter The electromagnetic capacity meter circuit is specially used to estimate the capacity of cadmium nickel batteries and judge their charging effect. The ...[Details]

Instruments 　　used in industry , after a certain period of use, will meet product aging, aging tests and environmental tests, which can detect a potential failure of the instrument early, prepare s...[Details]

Driven by economic development, population growth and urbanization, Africa's electricity demand will continue to rise in the coming decades. At the same time, with the reform of Africa's electricit...[Details]

1. Forward operating current If: 　　It refers to the forward current value when the light-emitting diode emits light normally. In actual use, IF should be selected to be below 0.6·IFm according to n...[Details]

Not long ago, Samsung released the Galaxy S22 series flagship phone, whose screen supports up to 120Hz high refresh rate. However, within two days, Samsung changed the parameters on its official webs...[Details]

As global environmental awareness rises, incandescent bulbs will adopt a policy of gradually reducing their use to reduce the large amount of energy waste caused by ambient light sources. The new g...[Details]

【Abstract】 This paper first analyzes the development background and evolution of electric vehicle domain controllers, and then designs the vehicle's electronic and electrical architecture and...[Details]