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What is the Difference between a Sensor and Transducer?

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What Do We Understand by a Transducer?

A transducer is an electrical gadget or device that can convert energy from one of its forms into another through the process known as transduction. In most cases and general scenarios, the appliance or instrument can transform a signal from one state into another. The conversion of electrical energy into its mechanical variation is an example of the kind or type of work a transducer can perform. 

The most common places where a transducer finds application are the boundaries and margins of control systems, measurements, and automation. The electrical gadget can perform its actions and functions for a few specific conditions and circumstances. Let us choose an example to understand it. A transducer works when a given electrical energy or signal experiences transformation from any form or state of a physical quantity to another. The latter variable or parameter can include force position, motion, light, torque, etc. 

What Do We Understand by a Sensor?

A sensor is a unique type of transducer. It receives a signal or a stimulus from a specified physical system and sends a response for it. The device generates and produces a return signal that depicts and represents the data and information of the entire arrangement. Such an approach can get used in different and distinct kinds or sorts of control, statistical, or telemetric systems. 

A sensor comes with the ability and capability to detect distinct alterations and changes in its surroundings and environment. After locating the variations, it sends the collected and interpreted material and information to some other form or version of electronics. In general instances, it entails a computer processor. In other cases, manual and human deciphering can also get chosen. 

What are the Various Types or Categories of Transducer?

Based on several factors, a transducer can get divided into different types or categories. The first basis of classification can comprise the manner or fashion in which the electrical instrument functions and operates. The kind of work it performs can also get included. In such a case, a transducer can be of the following two varieties or types:

  • Mechanical Transducer

A mechanical transducer can change any physical quantity. It can transform it into its mechanical counterpart and form.

  • Electrical Transducer

An electrical transducer can change any physical quantity. It can transform it into its electrical counterpart and form.

Besides the mentioned basis of categorization, a transducer can be of two more types. It depends on the style of job that the instrument performs. 

  • Input Transducer

An input transducer utilizes a specific state or particular form of a physical quantity or variable. It converts it into a readable and interpretable signal. An example that falls under this category includes a microphone. It accepts the produced and created sound waves and works to change them into an electrical form of signal. After that, the parameter or element can get moved or transported to the amplifier. It is feasible with the help of a wire connection system.

  • Output Transducer

An output transducer operates in a manner that is the exact opposite of an input transducer. It utilizes the received electrical signals and changes them into some other state or form of energy. An example that falls under this category includes a lamp. It accepts electricity and alters into light energy. 

What are the Various Types or Categories of Sensors?

A sensor can be of several types, a few of which entails:

  • Position Sensor

A position sensor computes the distance traveled by a body from its reference or starting point. It measures the angular or the linear position. The device does so by comparing the acquired value with a specified location. Furthermore, it can determine the presence and location of an object. 

  • Strain Gauge

A strain gauge works to compute strain or force. Its resistance changes with the degree of applied force, leading to various electrical outputs. This method helps assess pressure, weight, and tension. 

  • Flow and Level Switch

A flow and level switch computes liquid or dry substances using a relay, millivolt, or current outputs. 

  • Vibration Sensor

A vibration sensor computes a machine, system, or equipment’s vibration frequency. The obtained results help to find and determine imbalances and other issues. It also works to correct them. 

  • Photo Optic Sensor

A photo optic sensor determines the distance and presence of an object. It does so using a photoelectric receiver as well as a light transmitter. 

  • Humidity Sensor

A humidity sensor computes air humidity conditions at any time and place. 

  • Force Sensor

A force sensor computes the magnitudes of load, strain, compression, and force. 

  • Pressure Sensor

A pressure sensor regulates various electrical gadgets and appliances. It also measures a fluid or a gas’ flow and speeds indirectly. 

  • Fluid Property Sensor

A fluid property sensor checks the dynamic and proportionate relationship between different physical properties. It helps assess the quality, contaminant load, and condition of the fluid. 

  • Piezo Sensor

A piezo sensor converts a physical variable like acceleration or pressure into an electrical signal. In addition, it can gauge the change in strain, acceleration, and pressure. 

  • Temperature Sensor

A temperature sensor computes the change in temperature of a gaseous, liquid, or solid matter. 

How Does a Sensor Differ From a Transducer?

A sensor is a type of transducer. Nevertheless, each of the electrical instruments has significant points of difference between themselves. A few of their distinctions comprise:

  • Nature

A transducer resembles a translator. On the other hand, a sensor is more like a detector.

  • Components

A transducer comprises a signal conditioning component and a sensor. A sensor has no additional parts. 

  • Performance Complexity

The working and operation of a transducer are more complicated than that of a sensor. 

  • Feedback System

A transducer delivers feedback to a specified system with the help of an output device. It happens after the processing steps end in the signal conditioning component. However, a sensor cannot do so. 

  • Output Signal Form

A transducer converts the output signal into an electrical form, while a sensor makes no changes. 

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Satya Nadella Says AI Golden Age Is Here and ‘It’s Good for Humanity’

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The cutting-edge chatbot ChatGPT is capturing the world’s imagination. The new artificial intelligence site amassed 1 million users in just five days after its recent launch. It is but one of a dozen AI-driven so-called “killer apps” that will transform human productivity and the future of work.

ChatGPT answers complex questions via short prompts on a vast array of topics, and even writes lyrics and poetry. Underpinned by generative models such as GPT-3 and GPT-3.5, it is the most conspicuous example of technology dubbed generative AI.

Satya Nadella, Microsoft Chairman and CEO, in a session at the Annual Meeting, told Klaus Schwab, Founder and Executive Chairman, World Economic Forum, that a golden age of AI is under way and will redefine work as we know it.

“The future of work is not just about technology and tools,” he said. It’s about new management practices and sensibilities to the workplace.”

“Technology will provide more and more ways to bring people together,” he said. Public-private cooperation itself is moving virtual. The Forum’s Global Collaboration Village, for example, harnesses the power of the metaverse as a platform for collaborative, inclusive and effective international action.

“Microsoft is opening up access to new AI tools like ChatGPT,” said Nadella. “I see these technologies acting as a co-pilot, helping people do more with less.”

He provided two anecdotes of recent use cases of GPT technology. The first is an expert coder from Silicon Valley who improved their productivity by 80% by using the model to help write better code faster. The second was an Indian farmer who was able to use a GPT interface to access an opaque government programme via the internet, despite only speaking a local dialect.

“AI is just at the beginning of the S-curve,” said Nadella. The near-term and long-term opportunities are enormous, he added.

Looking ahead, he said Microsoft intends to lead on quantum computing. Microsoft has all the building blocks for a next-generation quantum computer. He said: “Microsoft will achieve quantum supremacy and aims to build a general-purpose quantum computer.”

On safety and security, Nadella said the operating principle for protecting critical infrastructure should be to assume the worst – “have zero trust”. “Safety and security needs to be included right at the design stage,” he said.

Sustainability is at the core of the business. “By 2050 Microsoft aims to not just be carbon-neutral but carbon-negative.” Last year the tech giant released “Cloud for Sustainability”, bringing together a growing set of environmental, social and governance (ESG) capabilities across the Microsoft cloud portfolio plus solutions from the firm’s global ecosystem.

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Cybercrime Initiative to Boost Coordination between Private Sector and Law Enforcement

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In an effort to tackle rising cybercrime levels, the World Economic Forum launched today at the Annual Meeting 2023 an initiative to map cybercriminal activities and identify joint public and private sector responses.

Building on the expertise of the Forum’s Partnership against Cybercrime, the Cybercrime Atlas initiative will provide a platform for leading cybercrime investigators, national and international law enforcement agencies, and global businesses to share knowledge, generate policy recommendations and identify opportunities for coordinated action to fight cyberthreats.

“The Cybercrime Atlas is a collaborative research initiative that gathers and collates information about the cybercriminal ecosystem and major threat actors operating today,” said Jeremy Jurgens, Managing Director, World Economic Forum. “The insights generated will help promote opportunities for greater cooperation between the private sector and law enforcement to address cybercrime.”

Cybercrime, such as the ransomware attack on Colonial Pipeline in May 2021 that caused US President Joe Biden to declare a state of emergency, is a threat to national security, public organizations and businesses of all sizes. Despite the amount of digital data collected on cybercriminal activities worldwide, the effort to fight it is often uncoordinated, disjointed and dispersed. The Cybercrime Atlas aims to map the cybercrime landscape, covering criminal operations, structures and networks.

First announced at San Francisco’s RSA Conference in June 2022, the Cybercrime Atlas has benefited from a year of pro bono analysis of 13 criminal groups by cybercrime investigators. Their approach and findings have been welcomed by law enforcement agencies.

“This initiative underlines the need for an enhanced multi-sector approach to combat the increasing cybercrime threat,” said Jürgen Stock, Secretary-General, International Criminal Police Organization (INTERPOL). “A global solution must include private sector insights to enable law enforcement to prevent, detect, investigate and disrupt cybercrime.”

The secretariat for the Cybercrime Atlas initiative will be hosted by the World Economic Forum for the next 2-3 years, with the support of Fortinet, Microsoft, PayPal and Santander, until it is sufficiently established to become an independent platform.

“The Cybercrime Atlas is an important initiative that will aid industry, law enforcement, and government agencies by providing a first-of-its-kind visibility to disrupt cybercriminals across their ecosystem and infrastructure,” said Ken Xie, Chief Executive Officer, Fortinet. “A global and unified effort will make it easier to get beyond the obstacles that shield cybercriminals.”

The Forum’s Partnership against Cybercrime initiative brings together a dedicated community to drive momentum for a public-private partnership to combat cybercrime.

“Cybercriminals work in the shadows and exploit vulnerabilities to inflict devastating attacks. The Cybercrime Atlas provides an important forum that brings the public and private sectors together to share actionable information and leverage cross-sector data, capabilities and expertise, crucial to disrupting cybercrime quickly, and at scale,” said Brad Smith, Vice-Chair and President, Microsoft.

“To mitigate and disrupt global cybercrime in today’s interconnected world, we need robust platforms to share intelligence and facilitate more meaningful institutional collaboration,” added Assaf Keren, Chief Information Security Officer and Vice-President, Enterprise Cyber Security, PayPal. “The Cybercrime Atlas represents a key next step in this work and an opportunity to unite global businesses, law enforcement and experts around concrete opportunities to protect the world’s citizens and their safety.”

“Given the global nature of cyberthreats, increasingly public-private collaboration is the best way to combat cybercrime,” said Dirk Marzluf, Group Chief Operating and Technology Officer, Banco Santander. “Organizations must look beyond their perimeter and combine efforts and resources with businesses, law enforcement and government.”

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Landmark Reports on Future of Metaverse Focus on Interoperability and Value Creation

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The Defining and Building the Metaverse initiative, launched by the World Economic Forum in May 2022, has released initial findings in two briefing papers – the first research of its kind on the metaverse. The initiative combines the expertise of more than 150 individuals in diverse sectors from the public and private sectors to understand and guide the future of the metaverse to become safe, interoperable and inclusive.

The governance briefing paper, Interoperability in the Metaverse, emphasizes the importance of removing friction for users. Interoperability is one strategy for allowing users to move across and between the physical and digital world with their relevant data, digital assets and identities. It can facilitate the free circulation of data and the secure exchange of information across systems.

The value creation report, Demystifying the Consumer Metaverse, focuses on consumer applications, foundational technologies and potential pathways to economic value and growth. The metaverse will require a diverse range of organizations to redefine their brands and change the way they monetize products and services to generate consumer value. The immersive, interactive nature of the metaverse will require businesses to move further away from the one-way delivery of products and services to becoming metaverse participants and providers. As consumer organizations experiment and incubate new business models for the metaverse, their work can inspire others and demonstrate the possibility of change in other industries.

The metaverse – an immersive, interoperable and synchronous digital world – represents the next era in the internet’s development. While its precise definition is still being debated, the metaverse is already forecast to become an $800 billion market in 2024. Unlocking the potential of this new field requires coordination of technology developers, corporations, governments and civil society. The World Economic Forum has convened experts from a broad range of fields to focus on two workstreams related to the future of the metaverse: governance and value creation.

Future workstreams will focus on two additional governance-related themes: privacy, safety and security; and identity. The value-creation track will issue additional outputs focused on other industries and the social implications of the metaverse.

“The metaverse is the next version of the internet and it is critical that it’s built by all, and for all. These two outputs reflect premier work on the metaverse involving such an extensive set of stakeholders and leaders, demonstrating the unique value of public-private partnership in metaverse development,” said Cathy Li, Head of Media, Entertainment and Sport, World Economic Forum.

Huda Al Hashimi, Deputy Minister of Cabinet Affairs for Strategic Affairs, Office of the Prime Minister of the United Arab Emirates, said: “Making the most of the metaverse will require governments to be proactive in understanding both the opportunities and the challenges that a persistent and interconnected virtual environment offers. This will also require developing new capabilities and importantly a different approach to regulation, informed by agile principles. This briefing paper clearly lays out a framework that can help governments gain a better understanding of the opportunity presented by the metaverse and makes a strong case for investing now in creating the conditions that will allow to generate public value from it, whilst protecting the public.”

Peggy Johnson, CEO of Magic Leap, Inc., said: “At Magic Leap, what excites us about augmented reality is the two-way bridge it creates between our digital and physical worlds, taking information from 2D screens into 3D spaces, where it is far more intuitive and engaging. We’re at a pivotal moment for this technology, and it is critical that we have a shared set of principles that support further innovation, ensure accessibility and promote interoperability between platforms.”

Yat Siu, Co-Founder and Executive Chairman of Animoca Brands, said: “The metaverse initiative is focusing on highly relevant topics to the metaverse, like interoperability – which is fundamental to digital assets. How do we ensure true ownership of assets? How do we improve the frameworks from those used in Web2.0? These are the complicated issues this initiative is taking on and finding answers to.”

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