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The Industry 4.0 revolution broke out, and the sensor became the driving force behind the scenes!

2017-03-14

According to the latest report released by Transparency Market Research, a US market research organization, the global wearable sensor market will continue to grow at a compound annual growth rate of 45.2% by 2020. Yole Developpement also predicts that the demand for MEMS sensor products, an important part of sensors, has increased rapidly in recent years, with an average growth rate of 12%-13% since 2014. The MEMS sensor market is expected to reach US$30 billion in 2020.

2017

Graphene is mixed into plasticine to transform into an ultra-sensitive pressure sensor

2017-03-13

Sanna Arpiainen is a senior scientist researching graphene. She works at VTT, a large contract research organization near Helsinki. She said that some companies, such as Nokia, are interested in the health applications of graphene sensors. But she warned that before commercializing G-putty, a series of obstacles need to be overcome-including proving that it can be mass-produced and testing to evaluate its long-term performance. Palermo agrees: "For practical applications, you need it to run in the same way thousands of times."

2017

Who will be the king of the "black technology" of the new sensor product group?

2017-02-18

As the field of sensor applications continues to expand, the sensor market will maintain rapid growth. Looking back on the sensor market in 2016, which new products are well-deserved "black technology"? Let us wait and see how new products that will subvert the Three Views will appear in the sensing market in 2017. 　　2016 sensor new product group refreshes the screen Who will be the king of "black technology"? 　　At the end of 2016, the State Council issued the "Thirteenth Five-Year" National Strategic Emerging Industry Development Plan. The plan proposes to promote the research and development and industrialization of key technologies in areas such as smart sensors. This undoubtedly shows that smart sensors and world-class high-end chips will be the key areas of the Ministry of Industry and Information Technology in 20017. Sensors are the most basic hardware in the era of intelligent perception, and the process of intelligentization is accelerating. Any connected intelligent terminal node cannot do without sensors. As the field of sensor applications continues to expand, the sensor market will maintain rapid growth, especially wearable devices, automotive electronics, medical care, and the Internet of Things will become the main growth points for sensors. So, looking back on the entire 2016, what are the new “black technology” products in the sensor market that are eye-catching? 1. Molecular sensor 　　In the past, although there have been technologies that used chemical substances in the "invisible ink" that needed to be encrypted, it has been difficult to ensure that hidden information is not read without authorization with continuously improved detection methods. In response to this situation, David Margulis of the Weizmann Institute of Science in Israel and his research team developed a fluorescent molecular sensor that can distinguish different chemical substances by generating specific fluorescence emission spectra. Taking into account recent concerns about global electronic surveillance, this sensor provides a safe means to bypass electronic communication systems. 2. Wireless sensor 　　In recent years, fitness trackers have become a more popular wearable technology product. However, engineers at the University of California, Berkeley took this concept one step further and developed extremely small wireless sensors to detect the health of the human body. It is reported that these devices have been reduced to a cubic millimeter only about the size of a grain of dust, called "neural dust." These sensors can be implanted in the human body, where they will perform real-time detection of tissues, muscles and nerves. 3. Bioluminescence sensor 　　The bioluminescence sensor is actually a new type of research method, invented by a group of scientists from Vanderbilt University in the United States through genetic modification of the biological enzyme luciferase. According to the researchers, this new sensor can be used to track the internal interactions of large neural networks in the brain. 4. Artificial hair sensor 　　For humans, the skin is not only a barrier to protect us from dust and bacteria, but also a medium for us to experience changes in the external environment. As researchers further develop robotics technology, they are also working hard to create functions like real skin for robots. He Xiaodong, a professor of materials science at Harbin Institute of Technology in China, and his colleagues have innovated in this regard. The new technology they developed can imitate the fine hair on the surface of the human body and transmit sensory information to the robot. The researchers used 30-micron fine wires instead of hair, and embedded a row of fine wires in silicone rubber. The role of this row of wires is to bring external information to the artificial skin. The research results can be used for sensing artificial limbs or corresponding medical and health care equipment. 5. Composite touch sensor 　　At present, most of the robot's touch sensors only have force sensors, so they can only detect the hardness and texture of objects, which makes the robot's accuracy in identifying foreign objects very low. But if combined with traditional force sensors, composite touch sensors can help robots recognize the composition of objects. Using this principle, experts from the Georgia Institute of Technology in the United States demonstrated that they designed a "skin" for robots that can generate heat and made of conductive and non-conductive fabrics and thermistors. 6. Air sensor 　　TZOA has introduced a new type of air sensor. It is understood that this is a sensor that can collect air quality information. The information collected includes the type and quantity of particles and whether it contains harmful chemical substances. And the device can also protect fetuses and children from pollutants that affect brain development. In the future, the company plans to sell equipment for outdoor pollutio

2017

How does pressure transmitter work？

2017-02-13

Pressure sensor is the most commonly used sensor in industrial practice. It is widely used in various industrial automation environments, involving water conservancy and hydropower, railway transportation, intelligent buildings, production automation, aerospace, military, petrochemical, oil well, electricity, ships, machine tools , Pipelines and many other industries. And in different environments, different types of pressure sensors need to be used to avoid errors.

2017

Six factors that need attention to prevent pressure sensor problems

2017-02-13

To avoid overvoltage, OEM engineers must understand the dynamic performance of the system and the limits of the sensor. When designing, they need to grasp the interrelationships among system components such as pumps, control valves, balance valves, check valves, pressure switches, motors, compressors, and storage tanks.

2017

The real power of the global manufacturing migration: technological innovation and cost dividends

2017-02-07

The trend of manufacturing transfer has a lot to do with the future and destiny of the country. There have been four large-scale manufacturing migrations around the world, and innovation factors are an important driving force for the large-scale manufacturing migration. Currently, the biggest reality facing manufacturing upgrades and migration is the decline in total factor productivity. It is generally believed that there have been four large-scale manufacturing migrations on a global scale: the first time in the early 20th century, the United Kingdom transferred part of the “excess capacity” to the United States; the second time in the 1950s, the United States transferred steel, steel, Traditional industries such as textiles were transferred to defeated countries such as Japan and Germany; for the third time in the 1960s and 1970s, Japan and Germany transferred labor-intensive processing industries such as light industry and textiles to the Asian "Four Little Dragons" and some Latin American countries; Four times in the early 1980s, developed countries such as Europe, America and Japan and newly industrialized countries such as the "Four Little Dragons" in Asia transferred labor-intensive industries and low-tech and high-consumption industries to developing countries. Therefore, China has gradually Become the biggest undertaking and beneficiary of the third world industrial transfer. Professional institutions such as McKinsey and Boston Consulting Group, as well as various economists and media, analyze the global manufacturing transfer from the perspective of "cost structure" (including comprehensive costs such as manpower, land, energy, and institutional transaction costs), and then Study and judge whether the future manufacturing industry will flow to low-cost countries such as India and Vietnam, or return from China to Europe and the United States. The important role of innovation factors in the process of global manufacturing migration has not received enough attention. The United States: Undertake the global and manufacturing transfer with manufacturing process innovation The United States has taken a long time to undertake the global transfer of production capacity and realize the rise of the manufacturing industry. Even though the United States already has 7 of the world's 10 largest industrial companies around 1850, it does not mean that the United States has truly become a manufacturing power. In the industry and technological competition, it was not until 1920 that the American manufacturing industry completely stood on the top of the world without any dispute. This was mainly due to the comprehensive innovation of the United States on the manufacturing and product sides. In the United States at the beginning of the 20th century, great inventions and great companies were flashing everywhere. Ford’s Model T and Cadillac’s electronic starting device opened up the era of human cars. Warner Bros’ "Jazz Singer" drove the prosperity of sound movies. Artificial gum has reshaped the American manufacturing industry, and telephone and electrification have fully upgraded the industrial infrastructure of the United States. In particular, the large-scale promotion of assembly line production methods and large-scale mass production, in addition to diluting fixed costs, also brought a large number of engineers together to engage in technological research and development, which greatly promoted technological innovation. At that time, the organization of British factories was relatively traditional, and small and medium-sized workshops were the favorite of British society, but such enterprises were unable to achieve economies of scale and systematic R&D innovation. By the 1920s, the gap between Britain and the United States in the manufacturing sector was huge. At that time, official data showed that the R&D expenditure in the United States accounted for 2.5% of the national product, while the United Kingdom during the same period was only 2%; the United States civil engineers accounted for as high as 13% of the total employment population, significantly ahead of the United Kingdom’s 5 percent. %. In 1929, the three pillar industries of the British economy were railway shipping, tobacco and alcohol, and textiles, while the top three dominant industries in the United States were agricultural equipment and construction machinery, vehicles and aircraft, steel and non-ferrous metals. Britain, an industrial power that is ambition to compete globally, has sunk to the point of relying on tobacco and alcohol to survive. Japan and Germany: Undertake the global manufacturing shift through innovation in a collaborative system After the end of World War II, the United States gave Germany and Japan priority in the development of traditional industries such as steel, textile and light industry in implementing the industrial plan for the revival of Europe and Japan.

2017

Difficulties and countermeasures facing the development of domestic sensors

2017-02-07

The industry generally believes that due to market monopoly and technological blockade, it is impossible for sensor industrial development to obtain core technologies and key processes from developed countries. It requires top-level design of industry and industry development, and formulation of national-level overall planning and Strategic policies should be supported. Since the beginning of the 21st century, mankind has entered the information the times and practical significance. The deep integration of information technology and traditional industries has become an industrial revolution led by technological innovation and aimed at application. It has laid a good foundation for the adjustment and transformation and upgrading of traditional industries, and provided a broad market space and development opportunities. Through innovation, it forms and presents a multi-industry interaction based on digital technology, Internet of Things, big data, cloud computing, 3D and virtual reality, artificial intelligence, new materials, "Internet +" and many other advanced technologies. Synergy, the interpenetration of regions, fields, industries, and daily life, the integration of industry and capital, and a period of industrial transformation driven by market applications. Information technology is the general term for the collection, management and processing of information, and an orderly data processing technology based on hardware. It mainly includes sensor technology, computer technology, and communication technology. The information system is a whole of software and hardware including input, storage, processing, output and control. It is a man-machine integrated system for the purpose of processing information flow. The development of information technology has played an important role in the progress of people and society and economic development. It has brought huge impacts and changes to people's ideas and lifestyles, and has had a profound impact. At the same time, it has played a positive role in changing production methods and improving productivity. Measuring the level of informatization of a country by the degree of application of information technology has become an important indicator of the comprehensive national strength of a country. Sensors are the foundation and core of innovation and development Sensors, computers, and communications are known as the three pillars of information systems. The quality of sensor technology has become an important indicator of a country’s technological level and whether it is at the commanding heights of international strategic competition. It is a core basic technology that developed countries attach great importance to and compete for development. Sensors are widely used in metallurgy, petroleum, chemical industry, electric power, transportation, water conservancy, new energy, electronics, environmental protection, household appliances, aerospace, aviation, military weapons and equipment and other fields of national economy, national defense, scientific research, etc. They are related to and affect technological innovation and national defense. , Economic and social security plays an important role in the current industrial restructuring and transformation and upgrading, and has very important strategic significance for occupying the commanding heights of strategic emerging industries. Americans believe that human beings have entered the 21st century and fully entered the information age. In a sense, they have entered the age of sensors. Sensors, communications, and computers are known as the three pillars of modern information systems. The development and application of sensor technology has become an important indicator of the degree of informatization of a country, as well as an important indicator of the level of scientific and technological development of a country. The sensor industry has been recognized at home and abroad as a high-tech industry with a promising future. It has attracted the world's attention for its high technical content, good economic benefits, strong penetration, and broad market prospects. In modern control systems, the sensor is at the position of the interface connecting the object under test and the test system, constituting the main "window" for system information input, providing the system with the original information necessary for control, processing, decision-making, and execution, which directly affects and Determine the function of the system. The sensor can directly contact the measured object or indirectly. Many control system functions cannot be realized because it is difficult to collect and obtain the information of the controlled object, which has become an obstacle to the development and promotion of system technology, and also the source and collection of big data an

2017

Multi-sensor complements the advantages of unmanned vehicles

2016-12-16

Today, self-driving vehicles are no longer regarded as science fiction, but as revolutionary technological products that will be realized now! The main reason is that, with the advent of advanced driver assistance systems (ADAS) systems and the promotion and development of unmanned driving, cars need to know their surroundings well. The driver can perceive the environment around us, make judgments at the same time, and react quickly in different situations. However, no one is perfect, we will be tired, distracted, and make mistakes due to mistakes. In order to improve safety, automakers are designing ADAS solutions for passenger cars. Automobiles rely on a variety of sensors to sense the complex surrounding environment in different situations. Then, these data will be transmitted to high-precision processors such as TITDA2x, and finally used for automatic emergency braking (AEB), lane departure warning (LDW) and blind spot monitoring functions. 　　There are mainly the following types of sensors used to sense the surrounding environment in autonomous driving technology. 　　Passive sensors-mainly used to sense rays reflected or emitted from objects. 　　Visual image sensor-all imagers operate in the visible spectrum 　　Infrared image sensor-operating outside the visible spectrum. It can be near infrared or thermal infrared (far infrared). 　　Passive sensors are affected by the environment-at different times, weather, etc. For example, visual sensors are affected by the amount of visible light at different times of the day. 　　Active sensor-by emitting rays and measuring the response of the reflected signal. The advantage is that the measurement results can be obtained at any time, regardless of time or season. 　　Radar-by emitting radio waves, the distance, direction and speed of the object are determined based on the radio waves reflected from the object 　　Ultrasound-by emitting ultrasonic waves, the distance of the object is determined according to the ultrasonic waves reflected from the object 　　Lidar-Determine the distance of an object by scanning the laser light reflected from an object 　　Time of flight-use the camera to measure the time taken for the infrared beam to bounce from the object to the sensor to determine the distance of the object 　　Structured light-Project a known light pattern onto an object, for example by TI's Digital Light Processing (DLP) equipment. Subsequently, the camera will capture the deformed light map and analyze it to determine the distance of the object. 　　In order to provide enhanced accuracy, reliability, and durability in a variety of different situations, it is usually necessary to use at least one sensor to observe the same scene. All sensor technologies have their inherent limitations and advantages. Different sensor technologies can be combined to fuse data from different sensors in the same scene, thereby providing a more stable and durable solution, which compares view confusion through data fusion. A typical example is the combination of visible light sensor and radar. 　　Dismantling autonomous driving technology 　　Gill Pratt, head of Toyota Research Institute, listed several technologies related to unmanned vehicles. The first is the smartphone, and its related technologies, low-voltage computer processors, computer vision chips and photographic lenses have become "incredibly cheap and popular." 　　Moreover, cars have shifted from the power plant as the center to the computer as the center. For example, they are equipped with driving recorders, front and rear sensors, and other technologies to avoid hitting objects and warn driving. In addition, the map data system used to identify locations and guide directions, whether it is GPS positioning or Google Map, has become more and more accurate. 　　Deep learning has brought computer perception capabilities closer and closer to humans, allowing unmanned vehicles to recognize the difference between bicycles and pedestrians, signs and trees. Gill Pratt pointed out that the annual "ImageNet Image Recognition Contest" will test the accuracy of using deep learning algorithms to recognize pictures and images. A few years ago, the error rate was as high as 30%, but last year, the error rate has dropped to less than 5%. 　　These key sensing technologies and computing capabilities form the basis for the realization of unmanned vehicles, and most of them overlap with the technologies used in ADAS (Advanced Driver Assistance System). 　　How do self-driving cars see the world 　　Why do you need so many kinds of sensors? Complementary advantages and disadvantages 　　At present, most automakers are equipped with "autopilot" functions in mass-produced vehicles, including Tesla, Volvo, Mercedes-Benz, Audi, etc., in fact, they are equipped with ADAS. If NHTSA's level of autonomous driving is used, most of them are in the first place. Second to third level. However, Google, Ford and Baidu hope to ski

2016

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