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Engineering & Technology Design

Mohammad Anas Wahaj | 29 jul 2020

India has developed expertize in chip design and microchip design related services and its R&D centers are world renowned. On the contrary, it lacks sunbstantially in chip fabrication and manufacturing facilities. Over the years not much investment has been made in this regard and India lags far behind countries like Taiwan, China and the US. Experts suggest that building chip fabrication facilities and ecosystem require huge investments and takes time along with conducive government policies. Moreover, manufacturing is expensive unless it can achieve economies of scale like in Taiwan and China. To reduce its dependancy on China and finding an opportunity to become an alternative destination for chip manufacturing, Indian policy makers and businesses have to consider long-term strategic planning in this regard. Aditya Narayan Mishra, Director and CEO of CIEL HR Services, says, 'Chip design and manufacturing is a highly capital-intensive business...We need access to capital, favourable policies and investment on the ecosystem from design to application engineering...The government has to decide if this is an industry which needs to be promoted.' Dr. Satya Gupta, Chairman of India Electronics and Semiconductor Association (IESA), says, 'A fabrication facility for chip manufacturing requires on an average US$ 8-to-10 billion of investment...Most chip designers outsource to third-party manufacturers who have the expertise and scale in developing such chips.' Ganesh Suryanarayanan, CTO of Myelin Foundry Pvt. Ltd., says, 'Companies in China and Taiwan have had a lot of government support over the last couple of decades to foster such an ecosystem, which consists of materials, machinery, manufacturing, testing, packaging, and sales...Indian government tried one initiative called the Hindustan Semiconductor Manufacturing Corporation (HSMC)...which did not take off-based on the need for heavy initial investment and delayed return on investment.' Read on...

THE WEEK: Why India is good at designing chips, but not at manufacturing them
Author: Abhinav Singh


Mohammad Anas Wahaj | 26 jun 2020

COVID-19 has brought to the fore the issue of medical textiles as masks, gowns and other personal protective equipment (PPE) are necessary for safeguarding healthcare workers against virus infections. The use of mask specifically became more widespread among general public and the debate centered around the type of material of the fabric that can minimize spread of the virus from person to person and also be affordable. As the demand for PPEs rose the challenge for the scientific and manufacturing community has been to find a way to provide better protection while allowing for the safe reuse of these items. Team of researchers from University of Pittsburgh - Anthony J. Galante, Sajad Haghanifar, Eric G. Romanowski, Robert M. Q. Shanks, Paul W. Leu - has created a textile coating that can not only repel liquids like blood and saliva but can also prevent viruses from adhering to the surface. Their research titled, 'Superhemophobic and Antivirofouling Coating for Mechanically Durable and Wash-Stable Medical Textiles', was recently published in the journal ACS Applied Materials and Interfaces. Lead author of the paper, Mr. Galante, who is the Ph.D. student in industrial engineering at Pitt, says, 'Recently there's been focus on blood-repellent surfaces, and we were interested in achieving this with mechanical durability.' The coating is unique as it is able to withstand ultrasonic washing, scrubbing and scraping. Prof. Leu, co-author and associate professor of industrial engineering, says, 'The durability is very important because there are other surface treatments out there, but they’re limited to disposable textiles. You can only use a gown or mask once before disposing of it. Given the PPE shortage, there is a need for coatings that can be applied to reusable medical textiles that can be properly washed and sanitized.' Prof. Romanowski, Research Director at Charles T. Campbell Microbiology Laboratory, says, 'As this fabric was already shown to repel blood, protein and bacteria, the logical next step was to determine whether it repels viruses. We chose human adenovirus types 4 and 7, as these are causes of acute respiratory disease as well as conjunctivitis (pink eye)...As it turned out, the adenoviruses were repelled in a similar way as proteins.' Prof. Shanks, Director of Basic Research in the Department of Ophthalmology at Pitt, says, 'Adenovirus can be inadvertently picked up in hospital waiting rooms and from contaminated surfaces in general. It is rapidly spread in schools and homes and has an enormous impact on quality of life - keeping kids out of school and parents out of work. This coating on waiting room furniture, for example, could be a major step towards reducing this problem.' The next step for the researchers will be to test the effectiveness against betacoronaviruses, like the one that causes COVID-19. Read on...

University of Pittsburgh News: Pitt Researchers Create Durable, Washable Textile Coating That Can Repel Viruses
Author: Maggie Pavlick


Mohammad Anas Wahaj | 30 may 2020

A group of researchers led by Prof. Raul Gonzalez Lima and Prof. Marcelo Knorich Zuffo at the University of São Paulo's Engineering School (POLI-USP) in Brazil have developed a mechanical ventilator that costs only approximately 7% as much as a conventional ventilator. Prof. Lima says, 'Our ventilator is designed to be used in emergencies where there's a shortage of ICU (Intensive Care Unit) ventilators, which are more monitored, but it has all the functionality required by a severe patient. It also has the advantage of not depending on a compressed air line, as conventional ventilators do. It only needs an electric power outlet and piped oxygen from the hospital or even bottled O2.' In developing the ventilator, the researchers needed to analyze the range of oxygen flow rates and levels it could offer patients. For this purpose, they simulated the various breathing frequencies of human lungs using a gas analyzer and gas flow meter in a lab headed by Prof. Guenther Carlos Krieger Filho, also a professor at POLI-USP. Animal tests were conducted under the coordination of Denise Tabacchi Fantoni and Aline Ambrósio, both of whom are professors at School of Veterinary Medicine and Animal Science (FMVZ-USP). The tests were performed at Medical School's (FM-USP) anesthesiology laboratory (LIM08) under the supervision of Professor José Otávio Costa Auler Junior, in collaboration with Denise Aya Otsuki, a researcher in the lab. The first human trials involved four patients undergoing treatment at FM-USP's Heart Institute (INCOR). They were led by Auler Junior, with the collaboration of Filomena Regina Barbosa Gomes Galas, the supervisor at INCOR's surgical ICU, nurse Suely Pereira Zeferino, and physical therapist Alcino Costa Leme. The researchers are now preparing a clinical trial with a larger number of patients. This will be one of the last steps before production of the ventilator is approved by ANVISA, Brazil's national health surveillance authority. Read on...

News-Medical.Net: Brazilian researchers design low-cost mechanical ventilators
Author: Emily Henderson


Mohammad Anas Wahaj | 14 may 2020

Covid-19 pandemic is affecting all aspects of human life, and even when the immediate severity of the crisis has subsided and nations start to ease lockdowns in hope of bringing their economies and people's lives back on track, the world will continue to see the after effects for a long time ahead. Experts share their views on pandemic's impact on future of design and how it will change the built environment in healthcare, hospitality, residential living etc - (1) Impact on Healthcare (Rahul Kadri, partner and principal Architect, IMK Architects): New generation of hospitals will be designed; Integrate tech-driven solutions; Better natural ventilation to minimize cross-infection; Segregation of general, semi-sterile and sterile zones; Net zero designing; Demarcation and separation of service and maintenance areas from the procedure areas; Rapid time to build and construct; Medical hub model. (2) Impact on Hospitality (Amit Khanna, design principal, Amit Khanna Design Associates): Screenings will become a part of entrance design in hotels; Use of automation to avoid human contact; Automated sliding or revolving glass door; Rethink on facilities like swimming pools, salons and health clubs; Top-end hospitality projects may prefer to redesign their communal facilities. (3) Impact on Urban Design (Mitu Mathur, director, GPM Architects and Planners): Towns need to be designed for all classes of society; Ensure housing-for-all; Promote affordable housing; Special design focus on migrant workers. (4) Using AI for Construction (Anand Sharma, founder partner, Design Forum International): Architecture, engineering and construction (AEC) industry will have more use of artificial intelligence (AI), cloud computing etc; Building Information Management (BIM) Development promotes workers of industry to be collaborative, connected and transparent; Future of construction will innovate like utilising the Internet of Things and leveraging 3D imaging to replicate the experience of a site. (5) Impact on Housing Design (L. C. Mittal, director, Motia Group): Adoption of advanced technology in elevators and entrances, like voice-enabled elevators and key card entry systems respectively, to eliminate human contact; Sanitisation of common areas would become a mandatory exercise for societies; Daily needs shopping store will become an integral part of housing societies. Read on...

India Today: A post-pandemic design revolution
Author: Ridhi Kale


Mohammad Anas Wahaj | 30 mar 2020

Designers are utilizing their creative expertise to find innovative solutions to fight against COVID-19 pandemic. Italian architects Carlo Ratti and Italo Rota designed a series of interconnected intensive care unit (ICU) pods from shipping containers. A prototype of the pods is now being built and is called Connected Units for Respiratory Ailments (CURA). Industrial design brand Dyson also announced that it has developed a CoVent ventilator after UK PM Boris Johnson requested the company to fulfil the hike in demand. Danish startup Stykka has created a design for a simple flat-pack workstation that can be easily assembled from three pieces of folded cardboard. Architectural designers Ivo Tedbury and Freddie Hong have developed a 3D-printed device that can be attached to door handles to enable hands-free opening. Ukranian architect Sergey Makhno forecasted the changes in living spaces in the aftermath of the pandemic that include people preferring houses over apartments, wanting to become self-sufficient with their own water supply and heating, and more attention placed on creating a workplace at home. Dezeen's editor Tom Ravenscroft predicted that the huge amount of people being forced to work-from-home will have long-term impacts on how companies approach remote working. Graphic designer Jure Tovrljan recreates iconic brand logos to highlight current situation. Cartoonist Toby Morris and microbiologist Siouxsie Wiles created playful animated illustrations and graphs to depict social distancing necessity. Read on...

Dezeen: This week, designers created objects and structures to help fight coronavirus
Author: Natashah Hitti


Mohammad Anas Wahaj | 28 nov 2019

Team of researchers from Poland's Łódź University of Technology (ŁUT) led by Prof. Katarzyna Grabowska, the dean of the Faculty of Material Technologies and Textile Design, have developed a textile charger, which allows to charge phones, tablets, and other portable electronic devices using the power generated by their users' physical activity. Monika Malinowska-Olszowy, the vice dean of the faculty and member of the research team, says, 'The textile charger for mobile electronic devices is an inseparable part of the fabric or knitwear from which it is made, such as clothing...This invention replaces heavy, large batteries and power banks that often contain toxic substances. It is shock resistant and weatherproof. The main purpose of this technology is to ensure its users with uninterrupted access to electricity to sustain the operations of their mobile devices. As a result, this will exclude various problematic processes related to frequent charging of mobile phones or tablets.' ŁUT research has focused on the development of innovative textile inventions. Some of the latest examples include textile clothing for premature infants that is to protect them against dehydration and ensure thermal stability through special layered textile systems, and a prototype textronics solution that allows the integration of muscle-stimulating electrodes within various types of clothing, such as underwear, wristbands and socks, and use it to treat patients with various diseases that require such stimulation, among others. Read on...

Innovation In Textiles: Polish researchers develop textile mobile device charger
Author: NA


Mohammad Anas Wahaj | 17 sep 2019

According to Learning Enterprise Institute (lean.org), the book, 'Designing the Future' by James M. Morgan and Jeffrey K. Liker, describes the robust new Lean Product and Process Development (LPPD) framework and shares real-world examples from a diverse set of industries. The book explains how the leading companies are using LPPD to create better futures for themselves and all their stakeholders. Authors go beyond broad generalizations on how to 'be innovative' and dig deeper into the theoretical bedrock and concrete development practices that are generating exceptional results at pioneering LPPD companies. Examples in the book show specifically how companies are redesigning product development systems to consistently design and deliver a progression of market-leading products and services. The book explains how LPPD is different from traditional ways of thinking and doing product development. The book helps in learning how to - (1) Avoid the 'extremes' that turn milestones into a 'coercive bureaucracy' and instead turn them into the foundation of a lean development process. (2) Drive out fear, but not accountability. (3) Develop high-performance teams and team members. (4) Cultivate chief architects with complete product and business responsibility. (5) Create flow and reduce rework in the development process. (6) Apply leadership lessons from Alan Mulally and other senior development leaders, as well as the critical elements of a powerful management system. (7) Use the Obeya (big room, war room) system to increase transparency, collaboration, focus, and speed while engaging the entire enterprise. (8) Improve the scientific thinking skills of engineers and developers. (9) Apply the seemingly contradictory concept of 'fixed and flexible' - Yin and Yang - of lean product development as an opportunity, not a conflict. (10) Hire the right people using different approaches, including extreme interviewing events. (11) Use a Commodity Development Plan to develop components in parallel that are on time, functional, and fit together. (12) Improve development problem solving through effective use of A3s and employ a simple but effective 'trick' to check the quality of an A3 report. EXCERPTS FROM INTERVIEW WITH AUTHORS - James M. Morgan: 'The book is for all serious practitioners who are working to find a better way to develop products, processes and services. Especially for those who are in leadership positions who want to improve organizational development capabilities in order to create great products and a great place to work.'; 'Deep immersion at the gemba (the actual place) during the study period to truly understand your customer and their context. To truly study and listen deeply to your customer in a very intentional way. To look broadly across your industry to understand the current state and conduct detailed product or service dissections where called for. Creating an active learning plan and experimentation to test ideas and close knowledge gaps. To create a concept paper to clarify your thinking and engage and enroll others.'; 'Milestones are the key to orchestrating development across functions. They are the primary mechanism for integrating work and for understanding normal from abnormal conditions so that the development team may act accordingly.'; 'The obeya space needs to become the center and the heartbeat of the project. Whether the team is collocated or not, it is the place where they come together to share and collaborate. It is the primary source of project information.'; 'I believe that it (to build aligned and focused teams) is impacted by hiring/selection of people, development of people, manager selection and promotion and of course leadership behaviors. One key is to develop an effective management system. In my view a management system is comprised of two key elements: leadership behaviors and an operating system.'; 'The best leaders have the grit to keep going - and to keep their team moving forward. One key is to look at problems as gems, as opportunities to improve your product, your process, your team - yourself.'; 'Make it okay to experiment, make mistakes, question things and raise issues. Create time and resources for learning - both capturing and applying learning. Design reviews are an excellent mechanism for learning. Then make knowledge available in user-friendly way.'; 'Apply the LPPD principles and practices in your transformation. Start by deeply understanding your current state, develop a compelling vision, learn through pilot experimentation, create an aligned plan, and focus on relentless executing leveraging tools like obeya, milestones, reflection events and design reviews.' Jeffrey K. Liker: 'We also talk about the role of the chief engineer - an overall architect for the product who assimilates all the data and spends time with customers and integrates many perspectives into a vision. These are specially developed people who become the chief architects.'; 'The main failure mode of milestones is viewing them as checkpoints. In LPPD there is feedback and adjustment happening all of the time. The checkpoint is a major opportunity to reflect and learn. It should not feel like passing a test.'; 'The obeya paces the work of many functional specialists so they are checking the status of their work products in short intervals, seeing how they can help each other, seeing gaps between plan versus actual and taking corrective action. It should focus on deviation management.'; 'A big part of the management system is the target setting process. The chief engineer sets the product targets and each function develops appropriate targets to support the chief engineer.'; 'It is also critical to have knowledge gatekeepers for each function who are the keepers of the know-how database for their specialty to avoid lots of information that never gets used.'; 'An exciting culture leads to an exciting product. We also talk about the importance of strong functional groups that are teaching the deep knowledge of their engineering discipline.' Read on...

InfoQ: Q&A on the Book 'Designing the Future'
Authors: Ben Linders, James Morgan, Jeffrey Liker


Mohammad Anas Wahaj | 27 aug 2019

Researchers from IIT-Madras (Tamil Nadu, India), Prof. Asokan Thondiyath and research scholar Nagamanikandan Govindan, have designed and developed a multimodal robotic system, termed as 'Grasp Man', that has good grasping, manipulation and locomotion abilities. Their research, 'Design and Analysis of a Multimodal Grasper Having Shape Conformity and Within-Hand Manipulation With Adjustable Contact Forces', is recently published in ASME Journal of Mechanisms and Robotics. The robot is fitted with a pair of graspers that provide morphological adaptation, enabling it to conform to the geometry of the object being grasped, and allowing it to hold objects securely and manipulate them much like the human hand. The two graspers are equipped with a robotic platform that provides behavioural adaptation. The robot will have various industrial applications such as pipe inspection, search-and-rescue operations, and others that involve climbing, holding, and assembling. Prof. Asokan says, 'The motivation behind this research is to realise a robot with a minimalistic design that can overcome the need for task-specific robots that are capable of navigating and manipulating across different environments without increasing the system complexity.' Read on...

YourStory: IIT-Madras researchers design robot with graspers that function like the human hand
Author: Teja Lele Desai


Mohammad Anas Wahaj | 26 aug 2019

Research study, 'Onboard Evolution of Understandable Swarm Behaviors', published in Advanced Intelligent Systems by researchers from University of Bristol (Simon Jones, Sabine Hauert) and University of the West of England (Alan F. Winfield, Matthew Studley), brings development of a new generation of swarming robots which can independently learn and evolve new behaviours in the wild a step closer. Researchers used artificial evolution to enable the robots to automatically learn swarm behaviours which are understandable to humans. This could create new robotic possibilities for environmental monitoring, disaster recovery, infrastructure maintenance, logistics and agriculture. This new approach uses a custom-made swarm of robots with high-processing power embedded within the swarm. In most recent approaches, artificial evolution has typically been run on a computer which is external to the swarm, with the best strategy then copied to the robots. Prof. Jones says, 'Human-understandable controllers allow us to analyse and verify automatic designs, to ensure safety for deployment in real-world applications.' Researchers took advantage of the recent advances in high-performance mobile computing, to build a swarm of robots inspired by those in nature. Their 'Teraflop Swarm' has the ability to run the computationally intensive automatic design process entirely within the swarm, freeing it from the constraint of off-line resources. Prof. Hauert says, 'This is the first step towards robot swarms that automatically discover suitable swarm strategies in the wild. The next step will be to get these robot swarms out of the lab and demonstrate our proposed approach in real-world applications.' Prof. Winfield says, 'In many modern AI systems, especially those that employ Deep Learning, it is almost impossible to understand why the system made a particular decision...An important advantage of the system described in this paper is that it is transparent: its decision making process is understandable by humans.' Read on...

Engineering.com: Robots Learn Swarm Behaviors, Aim to Escape the Lab
Author: NA


Mohammad Anas Wahaj | 14 jan 2019

Autonomous shopping concept intends to bring brick-and-mortar and internet shopping into a unified and integrated retail experience. The grab-and-go smart shopping carts promote cashier-free automatic check-out eliminating wait in lines. TechSpot's contributing writer, Cohen Coberly, says, 'While it seemed like brick-and-mortar retail would be all but killed off following the explosive rise of online shopping, what we're instead seeing throughout the US is not death, but evolution.' According to a 2018 survey by RIS News, 'The leading new shopping option wanted by consumers was "grab-and-go" technology (in which customers can self-checkout using their smartphones). 59% said they'd like to use this, and 9% had used it.' In a global survey of 2250 internet users conducted by iVend Retail and AYTM Market Research, 'Roughly 1/3rd of respondents said they would like to make automatic payments using digital shopping carts.' Caper is a smart shopping cart startup. Josh Constine, technology journalist and editor-at-large for TechCrunch, reports, 'The startup makes a shopping cart with a built-in barcode scanner and credit card swiper, but it's finalizing the technology to automatically scan items you drop in thanks to three image recognition cameras and a weight sensor. The company claims people already buy 18% more per visit after stores are equipped with its carts.' Linden Gao, co-founder and CEO of Caper, says, 'It doesn't make sense that you can order a cab with your phone or go book a hotel with your phone, but you can't use your phone to make a payment and leave the store. You still have to stand in line.' The current Caper cart involves scanning an item's barcode and then throwing it into the cart. Brittany Roston, senior editor and contributor at SlashGear, reports, 'The smarter version will eliminate the barcode part, making it possible to simply put the items in the cart while the built-in tech recognizes what they are.' Chris Albrecht, managing editor at The Spoon, also reports, 'The future iterations, already in the works, will remove the barcode and will use a combination of computer vision and built-in weight scales to determine purchases. The customer completes shopping, and pays on the built-in screen.' The concept of scanless carts involves deep learning and machine vision. Cameras are mounted in the cart. The screen on the cart gives the shopper different kinds of information - store map, item locator, promotions, deals etc. It recommends items based on contents already in the basket. Read on...

Tech Xplore: Next-level autonomous shopping carts are even smarter
Author: Nancy Cohen

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