Applied Technology Review : News

Digital twins are virtual representations of actual devices that data scientists and IT professionals can use to run simulations before building and deploying genuine devices. FREMONT CA: Beyond manufacturing, digital twin technology has advanced into the convergent worlds of the Internet of Things, artificial intelligence, and data analytics. As increasingly complicated "things" become connected and capable of producing data, having a digital equivalent enables data scientists and other IT experts to optimize deployments for maximum efficiency and simulate alternative scenarios. A digital twin represents a physical thing or system in a digital format. Digital twin technology has developed to incorporate buildings, factories, and even cities, and some have argued that even individuals and processes can have digital twins, further broadening the concept. A digital twin is computer software that accepts real-world data about a physical thing or system as input and delivers predictions or simulations of how those inputs will influence that physical object or strategy as output. A digital twin is created by specialists who are frequently experts in data science or applied mathematics. These developers study the physics behind the physical thing or system being emulated and use that information to create a mathematical model that replicates the physical object or system in digital space. The twin is created so that it can receive data from sensors attached to a physical counterpart. This enables the twin to imitate the physical thing in real-time, providing information about its performance and potential for failure. The twin could also be based on a prototype of its physical counterpart, in which case it can provide input as the product is polished; in fact, the twin could serve as a prototype in and of itself before the physical counterpart is constructed. The method is detailed in this post by Eniram, a business that makes digital twins for the giant container ships that transport the majority of the world's commerce—a particularly sophisticated type of digital twin application. However, a digital twin can be as complex or essential as desired. The amount of data used to create and update it determines the degree of precision you can simulate a physical thing. For instance, this lesson demonstrates how to create a rudimentary digital twin of an automobile by computing mileage using only a few input variables. ...Read more

Ultrasonic indoor positioning is widely employed in various economic sectors, including businesses, hotels, warehouses, and healthcare. With the rapid global growth of the internet, information about people and assets is essential for businesses to optimize their business processes. Numerous techniques are used for indoor navigation, which relies on precisely calculating coordinates and transmitting them to a specialized platform for processing. One of these technologies is ultrasonic indoor positioning. Due to the system's capacity to accurately define the position of objects within a few millimeters, it has tremendous potential for integration with commercial and corporate infrastructure. Ultrasound is a term that refers to a range of sound waves with frequencies that are too high for humans to hear—typically greater than 20 kilohertz (kHz). Using the ultrasonic range to determine position is a typical tactic found in nature. Bats are well-known for their reliance on echolocation to identify insects, generating ultrasonic pulses as high as 200 kHz and extraordinarily sensitive to minute variations (as low as .0001 kHz). Numerous cetaceans and some fish travel, hunt, and communicate via ultrasound. The technique is based on ultrasound, which defines the frequency range of sound waves that are too high to be perceived by humans. Due to the ultrasonic locating system's ascending/descending signal transmission mode, the number of receiving devices is not limited during installation. Ultrasonic location is a more effective solution than GPS since it does not require direct visual contact between transmitters and signal readers. Ultrasonic location is based on the ToF (Time-of-flight) principle, which quantifies the time required for a signal to travel from the sensor to the receiver. Unique tags that transmit ultrasonic impulses are used to determine distance. The receiver network analyzes these signals and communicates data to the central system, which uses multilateration to identify the location within three centimeters. Ultrasonic indoor positioning system signal update frequency varies between a sub-second and three seconds. Because of the technology, it is possible to obtain highly exact information about the location of an object within a few centimeters. An ultrasonic indoor positioning system can be incorporated into any business process. A few sensors ensure complete coverage of the area. Long-lasting batteries power the devices. An ultrasonic indoor positioning system is primarily accomplished wirelessly. Due to the battery power, it is feasible to fine-tune the system's operational deployment. The ultrasonic indoor positioning system simplifies diagnosis and program updates. ...Read more

The precise indoor location of assets within a building enables the optimization of internal logistic processes and personnel management, making it a vital tool for enhancing efficiency while decreasing expenses. Most people have certainly encountered this situation before: they are within a large structure, such as a retail mall, event center, or underground parking garage, and their navigation system is having difficulty locating people on the map. This is typically caused by the structure's concrete walls degrading GPS signal. Contextual information might be provided by smartphone apps based on location. People can use this information to obtain driving directions, locate a store, or sign up for notifications about nearby deals. These convenient functions are made possible by GPS, which requires exposure to the outside for optimal accuracy. However, they may have difficulties retrieving this information within massive structures due to a weak GPS signal. Accurate indoor positioning systems (IPS), which utilize public sensors and user consent, can deliver some level of location-based information even when the user is not outside. An (IPS) is a network of devices used to identify persons or items in areas where GPS and other satellite technologies are insufficiently precise or fail. This includes multi-story structures, airports, alleys, parking garages, and underground areas. Current IPS solutions are imprecise, particularly in multi-story buildings. This article provides an overview of the currently available intrusion prevention systems (IPS). Some of the indoor positioning technologies are as follows: Bluetooth Low Energy (BLE) technology can determine a person's or object's general location, enabling continuous asset tracking with at least room-level accuracy using BLE sensors/beacons. Calculating position using the Angle of Arrival (AoA) method enables significantly more exact localizations but comes at a considerable expense for sensor infrastructure support and hardware. Due to their low cost and ease of use, Bluetooth Low Energy and Beacons have emerged as the ideal indoor locating technology. WiFi-based systems use WiFi transmitters as tags to communicate with multiple WiFi access points. Information algorithms use these readings to determine the source's location. Eventually, the location data is delivered to a cloud environment. While systems based on WiFi and 'time difference of arrival (TDOA) technologies provide a reasonable level of precision (within 3 to 5 meters), they can be somewhat costly. Through three-dimensional location, Ultra-Wideband (UWB) systems attain incredibly high accuracy. The tremendously wide UWB signal and the capacity to transmit a vast pulse over a GHz spectrum enable continuous, highly accurate asset tracking. Historically, UWB-based systems have attained the highest levels of precision. Despite the low cost of UWB tags, each location must have at least three readers due to the tags' limited range. This dramatically increases the cost of a UWB solution compared to a BLE solution.   ...Read more