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2024
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The lecture commenced with a welcome speech and speaker introduction by Ir Prof. MAN Hau-chung, Dean of Faculty of Engineering and Director of the Research Institute for Advanced Manufacturing (RIAM). In Prof. Lin presentation, he primarily indicated the increasing global requirements for reducing energy use and carbon dioxide emission of transportation vehicles, lightweight passenger cars have become an inevitable trend. Ultra-high strength steel (UHSS) can save the production cost of vehicles, improve productivity and car performance. Next, he introduced the “HFQ®-Technology” developed by his team in recent years that has enabled high strength alloys to be stamped into complex-shaped automotive components. He outlined the use of thermomechanical experimental tests for generating high quality data for modelling, and the use of spatio-temporal method for determining necking and fracture strains of sheet metals. He also explained the computational steps for evaluating the formability of sheet metals under hot stamping. To conclude, Prof. Lin emphasised that improvements in experimental sciences, technologies and standardised testing are important for supporting the development of new materials processing technologies.
Event date: 09/04/2024
Speaker: Prof. LIN Jianguo (Imperial College London)
Hosted by: PolyU Academy for Interdisciplinary Research
- Keywords:
- Automobiles -- Materials Steel High strength Automobile industry trade
- Resource Type:
- Video
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Video
The lecture commenced with a welcome speech by Prof. CHEN Qingyan, Director of PAIR, followed by a brief speaker introduction by Prof. Christopher CHAO, Vice President (Research and Innovation).
In his presentation, Prof. Brilakis first gave a brief introduction to digital twins (DT), pointing out that DT plays a central role in digital transformation. Next, he elaborated on the application of DT in the construction industry and explained how DT is involved in the planning, design, construction, maintenance and operation processes. He introduced research conducted at the University of Cambridge on inexpensive methods for generating object-oriented infrastructure geometry, detecting, and mapping visible defects on the resulting DT, automatically extracting defect spatial measurements, and sensor and sensor data modelling. Prof. Brilakis also provided examples of how these resulting DT are further exploited in design for manufacturing and assembly (DfMA), mixed-reality-enabled mobile inspection, and proactive asset protection from accidental damage. To conclude, Prof. Brilakis stated that DT, smart materials, data science, and automation & bobotics, constitute important digital assets for driving sustainability, and pointed out the future development directions in these areas.
A question-and-answer session moderated by Prof. DING Xiaoli, Director of the Research Institute for Land and Space (RILS), and Prof. WANG Yuhong, Member of RILS, followed. This session provided both the online and on-site audience with an opportunity to engage in a fruitful discussion with Prof. Brilakis.
Event date: 08/03/2024
Speaker: Prof. Ioannis BRILAKIS (University of Cambridge)
Hosted by: PolyU Academy for Interdisciplinary Research
- Subjects:
- Technology
- Keywords:
- Construction industry Digital twins (Computer simulation) Buildings -- Computer-aided design
- Resource Type:
- Video
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Video
Neuroemergentism, (NM) is a novel framework which has sought to consider language development as involving the organization and reorganization of cognition and its underlying neural substrate. Work to support this framework comes from studies of language and cognitive development. In this talk, I will focus on two separate levels, the sensorimotor plasticity needed to adjust to new input and the cognitive flexibility needed to select between these competing sources of information. This talk will discuss both these levels with regard to the neurocognitive adaptations seen in bilinguals. This will include structural brain differences in monolinguals and bilinguals that vary in the age of second language acquisition. In the second part, of the talk work that has focused on the cognitive flexibility will be presented. This will focus on the adaptations of the basal ganglia and frontostriatal tracts as a gating mechanism crucial for selecting the correct motor response. This includes newer work which links genes associated with dopamine to cognitive and language flexibility in bilinguals. The ways in which sensorimotor plasticity and cognitive flexibility represent accurate but incomplete conceptualizations of the competitive processes involved in language and cognitive processing will be discussed. The talk will conclude with potential future directions using an NM framework.
Event date: 15/03/2024
Speaker: Prof. Arturo E. HERNANDEZ (University of Houston)
Hosted by: Faculty of Humanities
- Subjects:
- Language and Languages
- Keywords:
- Language acquisition Code switching (Linguistics) Psycholinguistics Bilingualism
- Resource Type:
- Video
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Video
Smaller, faster-charging batteries are the answer for affordable and sustainable electric vehicles (EVs) for everyone, everywhere. The ability to quickly refill energy is profoundly important in order to reduce EV cost and demand for critical minerals. In this talk I will present asymmetric temperature modulation (ATM) approach to enabling 10-minute fast charging of energy-dense Li-ion batteries in any temperatures (even at -60°C) while still delivering remarkable cycle life. Recent disastrous events at EV charging stations caused by an arctic blast in Chicago will be given as an example of the dire need for quick energy refill in the extreme cold. Battery fast charging must also work in hot summers along with high-temperature stability of cycling and storage. We shall present novel thermal management concepts for extreme fast charging in both extreme cold and hot conditions. Overall, our development points to a new paradigm of battery design and thermal management without having to trade-off among fast charge, safety, lifetime, and cost.
Event date: 27/02/2024
Speaker: Prof. WANG Chao-Yang
Hosted by: PolyU Academy for Interdisciplinary Research
- Subjects:
- Electrical Engineering
- Keywords:
- Lithium ion batteries Electric vehicles -- Batteries
- Resource Type:
- Video
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Video
I will discuss how co-speech (i.e., speech-accompanying) gestures relate to language and conceptualisation underlying language. I will focus on “representational gestures”, which can depict motion, action, and shape or can indicate locations. I will provide evidence for the following two points. Various aspects of language shape co-speech gestures. Conversely, the way we produce co-speech gestures can shape language. I will discuss these issues in relation to manner and path in motion event descriptions, clause-linkage types in complex event descriptions, and metaphor. I will conclude that gesture and language are parts of a "conceptualisation engine”, which takes advantage of unique strengths of spatio-motoric representation and linguistic representation.
Event date: 26/02/2024
Speaker: Prof. Sotaro Kita (University of Warwick)
Hosted by: Faculty of Humanities
- Subjects:
- Language and Languages
- Keywords:
- Nonverbal communication Language languages Gesture
- Resource Type:
- Video
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Video
The lecture commenced with a warm welcome address by Prof. CHEN Qingyan, Director of PAIR, followed by a brief speaker introduction by Prof. WANG Zuankai, Associate Vice President (Research and Innovation) of PolyU. In his presentation, Prof. Yang highlighted that urgent need for tissue/organ biomanufacturing owing to the shortage of donation for organ transplantation. He pointed out some challenges in the in vitro manufacturing of tissues/organs, particularly in relation to accurate design, precise fabrication, and functional induction, which underscore the imperative need for new methods for tissue/organ manufacturing. Next, Prof. Yang outlined the development roadmap of biomanufacturing and shared specific examples demonstrating the research progress in 3D bioprinting. In concluding his presentation, Prof. Yang shared his insights on the future direction for biomanufacturing, as well as some significant accomplishments by him and his team at Zhejiang University in the field.
A question-and-answer session moderated by Prof. Wang was followed. Both the online and on-site audience had a fruitful discussion with Prof. Yang.
Event date: 2/1/2024
Speaker: Prof. Huayong Yang (Zhejiang University)
Moderator: Prof. Zuankai Wang (Hong Kong Polytechnic University)
Hosted by: PolyU Academy for Interdisciplinary Research
- Subjects:
- Biomedical Engineering and Biology
- Keywords:
- Biomedical engineering Tissue engineering Regenerative medicine Three-dimensional printing
- Resource Type:
- Video