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  • 2020-09-12
    Sensor performance improves industrial control and automotive applications re-evolution
    According to the forecast report of the United States IC Insights, the global sensor market sales in 2012 will be 8.7 billion US dollars, an increase of only about 2%, such a limited growth rate is mainly due to the poor global economy, especially in Europe and the United States demand Caused. At the same time, however, under the influence of the development of the Internet of Things industry, the level of demand for sensors in the Chinese mainland market is gradually increasing. According to the prediction of the Ministry of Industry and Information Technology of China, the Chinese IOT market will exceed RMB 500 billion by 2015, and the CAGR will reach 30% in the next five years. Another name for the Internet of Things is the "sensor network," and the demand for sensors will naturally rise. Overall, the Internet of Things is the driving force for the emerging market and cross-industry sensor market for sensor products, while experience, industrial control, and automotive electronics are the market drivers for the rapid development of sensors. The manufacture of sensors is currently based on micro-electromechanical (MEMS) and micro-nanotechnology. In particular, MEMS technology has become more and more important as applica
  • 2020-09-12
    Sensor design for automatic control system for indoor lighting equipment
    1 Introduction With the rapid development of the economy and society, electric energy is getting more and more tense, and the phenomenon of wasted energy still exists. In many colleges and universities, there is a problem that classroom lighting management is not in place. At night, the empty classrooms are still brightly lit. For such large buildings, lighting energy saving is becoming more and more important. The widely used lighting energy-saving switches are basically voice-activated, contact-type, etc. Due to the limitations of use, these switches can only be used as an auxiliary part of the control system. To realize the intelligent and energy-saving indoor lighting system, the most important point is that the system can detect and judge the presence of human beings. The passive pyroelectric infrared sensor on the market is limited to detecting dynamic human body and people who are sitting in the classroom. Do not react. The project team designed a low-cost, low-power indoor intelligent control system based on the active pyroelectric infrared sensor. 2. Overall system function and structure 2.1 Features Pyroelectric infrared technology is used to detect whether there is any person in the room. When someone enters the room, the sensor detects the infrared rays emitted by the human body and generates a current signal. The signal is processed by the integrat
  • 2020-09-11
    Hawking voice synthesizer upgraded glasses infrared sensor control
    According to the British newspaper "Independent" reported that this fall, 71-year-old famous physicist Stephen? Hawking published a memoir, frankly disclose details of life. Allegedly, this is the first book Hawking has done without relying on others' help and relying on his own. Speech synthesizer is upgraded Hawking with computer giant Intel co-founder Gordon? Moore met, asking him to help them speed up the exchange rate, Hawking's voice synthesizer originally used to help Moore is manufactured. Intel's speech synthesizer was upgraded to improve the predictability of the text system. This means that Hawking is now able to spell 5 to 10 words in a minute . Intel is also developing ways to allow the computer to recognize other facial features, including movements of the mouth and eyelashes, so that Hawking can communicate with the outside world. Faster. The computers installed below and behind Hawking`s wheelchairs contain an audio amplifier and a voice synthesizer that are controlled by infrared sensors on Hawking`s glasses and can respond to c
  • 2020-09-11
    Design of Parking Sensor Control System Based on PSoC Chip
    In an embedded system, the control chip mainly processes two types of signals, one is a digital signal and the other is an analog signal. The analog signal is usually from the sensor. Getting accurate signals from these analog sensors is not an easy task. The analog output signal usually has a small amplitude, so a signal amplifier is required. After the signal is amplified, the noise is also amplified and an analog low-pass or band-pass filter is required for filtering. If multiple sensors are used at the same time, an analog MUX is also required. In addition to this, it is also possible to use comparators and D/A converters. In traditional design, the controller is only used to process data, communication and control functions between systems. If your design is also in this traditional way, you will face some challenges. These challenges are mainly from separate analog devices and fixed-function MCUs. First of all, from the perspective of system design, with the speed of market changes and the increase of user requirements, a flexible and hard-designed platform is necessary, and separate analog devices and fixed-function MCUs are far from meeting the constantly updated design requirements. And limited R&D time to market. Second, dealing with sensor noise requires a complex mixed-signal solution that typically requires amplifiers, filters, ADCs, comparators, and DACs. For traditional designs, it is necessary to consider a large number of
  • 2020-08-31
    This smart infrared sensor allows remote control like old home appliances
    [Abstract] Bond aims to add old home appliances that cannot be connected to the Internet to the Internet of Things. Users can use the smart phone to control Bond. The Verge Chinese Station reported on February 20 Perhaps we have become accustomed to using smartphones to control various smart home appliances and various smart devices in our homes. But are these old, non-networked traditional home appliances controlled by their own remote controls? Recently, a smart infrared sensor named Bond was introduced to solve this problem. Bond is a new smart home accessory designed to add old home appliances that cannot be networked to the Internet of Things. In other words, the user can use the smart phone to control the Bond, so as to achieve the purpose of controlling various kinds of traditional home appliances that cannot be networked through the Bond. Bond is connected to a smartphone via a built-in Wi-Fi module and is connected to traditional home appliances via a built-in infrared transmitter module. In other words, with Bond, traditional home appliances can be easily connected to the Internet of Things and remotely controlled via smart phones. In addition, Bond is also compatible with Amazon's Alexa voice control, which can transform traditional home appliances into smart home appliances
  • 2020-08-30
    Automotive engine, chassis, body control sensor inventory
    With the development of electronic technology, the degree of electronicization of automobiles has been continuously improved, and the usual mechanical systems have been difficult to solve some problems related to the functional requirements of automobiles, and have been replaced by electronic control systems. The function of the sensor is to quantify the component that provides a useful electrical output signal according to the specified measured size, that is, the transducer that converts the physical and chemical quantities of light, time, electricity, temperature, pressure, and gas into signals. As a key component of the automotive electronic control system, the sensor directly affects the technical performance of the car. At present, there are about 10-20 sensors installed in ordinary cars, and there are more luxury limousines. These sensors are mainly distributed in engine control systems, chassis control systems and body control systems. First, the engine control sensor There are many types of sensors for engine control, including temperature sensors, pressure sensors, speed and angle sensors, flow sensors, position sensors, gas concentration sensors, knock sensors, and the like. These sensors are the core of the entire engine, which can improve engine power, reduce fuel consumption, reduce exhaust gas, reflect faults, etc. Because they work in harsh environments such as engine vibration, gasoline vapor,
  • 2020-08-22
    High control and sensor prices are two key factors that constrain the development of unmanned vehicles
    While we are still feeling that driving is a difficult task, advances in driverless technology have gradually begun to liberate our hands to the development of the brain, at the O'Reilly and Intel Artificial Intelligence 2018 Beijing Conference, the battalion commander Dr. Li Lijun, the founding core member of the former Baidu Silicon Valley R&D Center, chatted. Li Lijun stated that the most urgently needed technology for driverless technology is the balance between the sensor's ability and its value, and the unmanned planning control. The value of driverless development The development of driverless technology not only liberates the human hands but also liberates the brain. Our attention does not need to focus on driving, which will bring great progress to economic and social benefits. Undoubtedly driving in Beijing and the US Silicon Valley is not an enjoyment to us. It takes a lot of time and effort. If the driverless technology is popular, you can free up driving time. Check the mail, read the news, and even take a break. In addition, unmanned driving will also bring about changes in the ecology of the economy. For example, the unmanned industrial chain may change the location
  • 2020-07-27
    Automation technology upgrade, how can domestic photoelectric encoder keep up with the rhythm
    Everyone should be no stranger to the "Tesla Gigafactory". There is a set of stunning production line drawings that shocked the entire network. Just look at those robotic arms that are swiftly moving there, performing their duties in an orderly manner. The sense of technology is bursting. Regardless of the tall and mighty machine tools and manipulator arms, they do all rigorous and meticulous work. Especially for products with extremely high safety requirements like cars, the scores are not bad for each nail and riveting, and for retreating and entering. Although there is a rigorous computer system behind it to give orders, but in the end, to convey the instructions and achieve precise control of the movement time and position of each component, a small component is indispensable: the encoder. Great encoder An encoder is a device that compiles and converts signals or data into signal forms that can be used for communication, transmission and storage. It is mostly used to realize the measurement and transmission of angular displacement and linear displacement information. Encoder: Let me Kangkang, how do you move left and right In fact, we are enjoying the convenience brought by encoder applications every day. When it comes to motion control, it mostly appears. For example, the elevators, cars, vending machines and printers you use. Emmm... sometimes it can even solve your boring problems, such as: A German engineering student used a broken Canon 850i printer to modify the "stupid" little device, and people can't help but indulge in playing with it. Am
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