STMicro Unveils 6-axis IMU with Embedded Sensor Fusion and AI

Among the most fundamental trends in the consumer electronics industry today is the proliferation of sensors. For applications such the Internet of Things (IoT), wearables, and AR/VR, sensing has been a core technology.

As devices become embedded with more and more sensors, system developers face about how to best handle and fuse that data into a useful format. To address this issue, STMicroelectronics (ST) has recently released a new 6-axis IMU which includes a number of integrated features such as sensor fusion blocks and Machine Learning (ML) cores.

 

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What are Sensors, Detectors, and Transducers?

 

What are Sensors, Detectors, and Transducers?

Sensor/Detectors/Transducers are electrical, opto-electrical, or electronic devices composed of specialty electronics or otherwise sensitive materials, for determining if there is a presence of a particular entity or function. Many types of sensors, detectors, and transducers are available including those for detecting a physical presence such as flame, metals, leaks, levels, or gas and chemicals, among others. Some are designed to sense physical properties such as temperature, pressure, or radiation, while others can detect motion or proximity. They operate in a variety of manners depending on the application and may include electromagnetic fields, or optics, among others. Many applications over a wide range of industries use sensors, detectors, and transducers of many kinds to test, measure, and control various processes and machine functions. With the advent of the Internet of Things (IoT), the need for sensors as a primary tool to provide enhanced automation is increasing.

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Sensor Resolution

Sensor Resolution

Resolution is commonly used to describe the number of pixels display on a display device, or area on the ground that a pixel represents in an image file.

The resolution of a sensor with a digital output is usually the numerical resolution of the digital output. A sensor’s accuracy may be considerably worse than its resolution. Most sensors are influenced by the temperature of their environment. 

Active Remote Sensing Instruments

• Radar
• Lidar
• Sounder
• Laser altimeter
• Ranging instruments
• Scatterometer

Passive Sensor

Passive Sensor is source of energy is that naturally available of the Sun. Most of the Remote Sensing systems work in passive mode using solar energy as the source of EMR.The Sun, MSS is an example of Passive Sensor.

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Definition of Sensor and Sensing Technology

Today's industrial landscape is characterized by unprecedented levels of volatility, uncertainty, complexity, and ambiguity. As a result, operational effectiveness, clubbed with lower cost and enhanced security, both for assets and personnel, has gained importance. In this backdrop, sensing technology and its advancements have played a key role for industrial operations to remain competitive and efficient.

Sensing technology and its various applications are constantly evolving in line with advancements in technology and business needs. Sensors are available to detect a wide variety of real-world properties–from distance to heat to pressure. Today’s products sense everything around them using sensors and they have the capacity to be extremely accurate, consume less power, and are inexpensive to install and maintain. Sensors are proving to be vital components in creating new value for their process and respective businesses.

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Real Time Application of Sensors

 

Real Time Application of Sensors

The example we are talking about here is the Autopilot System in aircrafts. Almost all civilian and military aircrafts have the feature of Automatic Flight Control system or sometimes called as Autopilot.

 

An Automatic Flight Control System consists of several sensors for various tasks like speed control, height monitoring, position tracking, status of doors, obstacle detection, fuel level, maneuvering and many more. A Computer takes data from all these sensors and processes them by comparing them with pre-designed values.

The computer then provides control signals to different parts like engines, flaps, rudders, motors etc. that help in a smooth flight. The combination of Sensors, Computers and Mechanics makes it possible to run the plane in Autopilot Mode.

All the parameters i.e., the Sensors (which give inputs to the Computers), the Computers (the brains of the system) and the mechanics (the outputs of the system like engines and motors) are equally important in building a successful automated system.

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Sensor

 Sensor

A sensor is a device that detects and responds to some type of input from the physical environment. The input can be light, heat, motion, moisture, pressure or any number of other environmental phenomena. The output is generally a signal that is converted to a human-readable display at the sensor location or transmitted electronically over a network for reading or further processing.

Sensors play a pivotal role in the internet of things (IoT). They make it possible to create an ecosystem for collecting and processing data about a specific environment so it can be monitored, managed and controlled more easily and efficiently. IoT sensors are used in homes, out in the field, in automobiles, on airplanes, in industrial settings and in other environments. Sensors bridge the gap between the physical world and logical world, acting as the eyes and ears for a computing infrastructure that analyzes and acts upon the data collected from the sensors. 

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Research group advances quantum sensing with a new model in optical fibers

(a) Schematic of an entanglement-enhanced Mach-Zehnder Interferometer, with equal photon number inputs |𝑛⟩ in each port creating a Holland-Burnett state inside the interferometer. The bottom branch accumulates an unknown phase 𝜙 while the top branch includes a controllable element 𝜃𝑓𝑒𝑒𝑑𝑏𝑎𝑐𝑘 that can ensure an optimal measurement. (b) Simplified schematic for modeling. The state experiences loss (red) both inside the interferometer (𝜂1 and 𝜂2) and in the number-resolving detectors (𝜂𝑑). The internal loss mode 𝐿1 with loss 1−𝜂1 is grouped into other losses for simplified analysis. Credit: Gregory Krueper et al, Realistic model of entanglement-enhanced sensing in optical fibers, Optics Express (2022)

Research into quantum engineering may provide a number of significant advancements in sensor technology, but optical loss and signal noise have—until recently—held these applications back. In "Realistic model of entanglement-enhanced sensing in optical fibers" published in Optics Express earlier this year, the Optics and Photonics Research Group at CU Boulder and their partners predict and demonstrate meaningful advances in fiber-based, quantum-enhanced remote sensing and probing of photosensitive materials.

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Sensors for Automotive, Industrial and Commercial Vehicles

 

TE Automotive & Commercial Vehicle Sensor Portfolio Application Footprint

Sensors for Automotive, Industrial and Commercial Vehicles

Vehicle electrification (e-mobility), sustainability (zero emissions), increased safety & productivity are trends significantly impacting the role of sensors in passenger and commercial vehicles. This includes the requirement to enable greater e-motor performance and efficiency, reduced charging time, increased battery life, cleaner and more efficient internal combustion engines, reduced maintenance / vehicle down-time as well as highly robust ADAS and autonomous driving safety systems. TE offers a diverse sensor technology portfolio, combined with deep application expertise gained from extensive experience of delivering quantifiable value across a wide range of demanding passenger & commercial vehicle applications.

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Transportation systems.

 As the market for innovation in hydrogen fuel generation develops in line with the growing need for low carbon energy, the leading sensor specialist Variohm EuroSensor offers a range of pressure and temperature sensors that fulfil safe measurement and monitoring of hydrogen processing, storage, and transportation systems.

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Quantum sensors for GPS-free orientation

Quantum sensors for GPS-free orientation

Along each of the three axes of measurement, a mechanical accelerometer is attached to the reference mirror of the atom interferometer, resulting in a classic/quantum hybridization that permits continuous measurement of acceleration with ultralow bias. Measurements of the three vector components are used to determine the acceleration vector, in any direction. The sensor is secured to a rotatable platform for demonstrating measurements from various angles. Credit: iXAtom

How can we navigate airliners or allow military vehicles to stay on course without GPS or satellite signals? This is a problem for which quantum inertial sensors offer a solution. Harnessing quantum technology, they can take ultrasensitive measurements of acceleration in three dimensions, and in any orientation.

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How sensor technology helps Peruvian miners maximize output

How sensor technology helps Peruvian miners maximize output

The diversity of Peru’s mining sector has given rise to tailor-made technological solutions, as social conflicts and prolonged licensing processes incentivize miners to favor brownfield projects.

BNamericas talks to MineSense Technologies executive VP for business development Claudio Toro about how sensors help miners get more out of their assets, current market needs and prospects for expansion.

BNamericas: What do MineSense services consist of and how smooth was your entry into the Peruvian market?

Toro: MineSense is a relatively young company. Until 2017, work was carried out on the development of sensors that are installed on the upper part of an excavator’s shovel and allow measuring the ore grade in real time. Measuring the grade block by block allows having a greater amount of data, so the company has direct control of extraction volumes and reduces mining burdens. Savings, depending on mine size, range from US$20mn to US$250mn per year.

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