Piëzo materialen worden al veel toegepast. Er zijn diverse nieuwe ontwikkelingen, zoals het piëzo effect in composieten (PVDF). Het blijkt dat deze ontwikkelingen nog in een pril stadium zijn en voorlopig niet commercieel beschikbaar. Ondanks dat het piëzo principe al jaren bestaat weten ontwerpers er nog relatief weinig van. Het piëzo principe is misschien wel bekend, maar hoe deze materialen te gebruiken in een productontwerp is een grote stap verder. Bij piëzo wordt een mechanische spanning omgezet in een elektrische spanning en vice versa. Er zijn vele piëzo elementen (halffabricaten) commercieel beschikbaar. Al naargelang de gewenste toepassing, lineaire beweging, energy harvesting, sensor etc. kan het geschikte element worden gekozen. In dit document wordt de piëzo techniek uitgelegd aan de hand van voorbeelden. Doel is om inzicht te krijgen in de mogelijkheden, om zo een geschikte piëzo-techniek te kiezen. Dit document is opgeleverd in het project Innovatief Materialen Platform Twente (IMPT). In dit project heeft het IMPT 75 innovatieve materialen in kaart gebracht. Met een tiental materialen is toegepast onderzoek gedaan, zodat ondernemers en ontwerpers weten of en hoe zij deze kunnen toepassen.
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This paper discusses two studies - the one in a business context, the other in a university context - carried out with expert educational designers. The studies aimed to determine the priorities experts claim to employ when designing competence-based learning environments. Designers in both contexts agree almost completely on principles they feel are important. Both groups emphasized that one should start a design enterprise from the needs of the learners, instead of the content structure of the learning domain. However, unlike business designers, university designers find it extremely important to consider alternative solutions during the whole design process. University designers also say that they focus more on project plan and desired characteristics of the instructional blueprint whereas business designers report being more client-oriented, stressing the importance of "buying in" the client early in the process.
De oppervlaktestructuur van een materiaal speelt een belangrijke rol in de beleving van een product. Denk aan esthetische eigenschappen zoals kleur, glans en textuur. Ook de functionaliteit van een materiaal hangt sterk samen met de oppervlaktestructuur. Wanneer de eigenschappen van twee oppervlaktes bekend zijn, zegt dat iets over ze überhaupt bij elkaar in de buurt willen komen, of ze willen mengen, of ze aan elkaar hechten. Het is dan ook belangrijk om kennis te hebben over oppervlakte eigenschappen en methodes om deze te veranderen/beïnvloeden. Oppervlaktemodificatie is een gigantisch onderzoeksterrein, dit document is dan ook niet compleet. Doel is om inzicht te geven waarom oppervlaktemodificatie zo belangrijk is en voorbeelden te geven wat er mee bereikt kan worden. Dit document is opgeleverd in het project Innovatief Materialen Platform Twente (IMPT). In dit project heeft het IMPT 75 innovatieve materialen in kaart gebracht. Met een tiental materialen is toegepast onderzoek gedaan, zodat ondernemers en ontwerpers weten of en hoe zij deze kunnen toepassen.
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Teachers have a crucial role in bringing about the extensive social changes that are needed in the building of a sustainable future. In the EduSTA project, we focus on sustainability competences of teachers. We strengthen the European dimension of teacher education via Digital Open Badges as means of performing, acknowledging, documenting, and transferring the competencies as micro-credentials. EduSTA starts by mapping the contextual possibilities and restrictions for transformative learning on sustainability and by operationalising skills. The development of competence-based learning modules and open digital badge-driven pathways will proceed hand in hand and will be realised as learning modules in the partnering Higher Education Institutes and badge applications open for all teachers in Europe.Societal Issue: Teachers’ capabilities to act as active facilitators of change in the ecological transition and to educate citizens and workforce to meet the future challenges is key to a profound transformation in the green transition.Teachers’ sustainability competences have been researched widely, but a gap remains between research and the teachers’ practise. There is a need to operationalise sustainability competences: to describe direct links with everyday tasks, such as curriculum development, pedagogical design, and assessment. This need calls for an urgent operationalisation of educators’ sustainability competences – to support the goals with sustainability actions and to transfer this understanding to their students.Benefit to society: EduSTA builds a community, “Academy of Educators for Sustainable Future”, and creates open digital badge-driven learning pathways for teachers’ sustainability competences supported by multimodal learning modules. The aim is to achieve close cooperation with training schools to actively engage in-service teachers.Our consortium is a catalyst for leading and empowering profound change in the present and for the future to educate teachers ready to meet the challenges and act as active change agents for sustainable future. Emphasizing teachers’ essential role as a part of the green transition also adds to the attractiveness of teachers’ work.
The research proposal aims to improve the design and verification process for coastal protection works. With global sea levels rising, the Netherlands, in particular, faces the challenge of protecting its coastline from potential flooding. Four strategies for coastal protection are recognized: protection-closed (dikes, dams, dunes), protection-open (storm surge barriers), advancing the coastline (beach suppletion, reclamation), and accommodation through "living with water" concepts. The construction process of coastal protection works involves collaboration between the client and contractors. Different roles, such as project management, project control, stakeholder management, technical management, and contract management, work together to ensure the project's success. The design and verification process is crucial in coastal protection projects. The contract may include functional requirements or detailed design specifications. Design drawings with tolerances are created before construction begins. During construction and final verification, the design is measured using survey data. The accuracy of the measurement techniques used can impact the construction process and may lead to contractual issues if not properly planned. The problem addressed in the research proposal is the lack of a comprehensive and consistent process for defining and verifying design specifications in coastal protection projects. Existing documents focus on specific aspects of the process but do not provide a holistic approach. The research aims to improve the definition and verification of design specifications through a systematic review of contractual parameters and survey methods. It seeks to reduce potential claims, improve safety, enhance the competitiveness of maritime construction companies, and decrease time spent on contractual discussions. The research will have several outcomes, including a body of knowledge describing existing and best practices, a set of best practices and recommendations for verifying specific design parameters, and supporting documents such as algorithms for verification.
With increasing penetration rates of driver assistance systems in road vehicles, powerful sensing and processing solutions enable further automation of on-road as well as off-road vehicles. In this maturing environment, SMEs are stepping in and education needs to align with this trend. By the input of student teams, HAN developed a first prototype robot platform to test automated vehicle technology in dynamic road scenarios that include VRUs (Vulnerable Road Users). These robot platforms can make complex manoeuvres while carrying dummies of typical VRUs, such as pedestrians and bicyclists. This is used to test the ability of automated vehicles to detect VRUs in realistic traffic scenarios and exhibit safe behaviour in environments that include VRUs, on public roads as well as in restricted areas. Commercially available VRU-robot platforms are conforming to standards, making them inflexible with respect to VRU-dummy design, and pricewise they are far out of reach for SMEs, education and research. CORDS-VTS aims to create a first, open version of an integrated solution to physically emulate traffic scenarios including VRUs. While analysing desired applications and scenarios, the consortium partners will define prioritized requirements (e.g. robot platform performance, dummy types and behaviour, desired software functionality, etc.). Multiple robots and dummies will be created and practically integrated and demonstrated in a multi-VRU scenario. The aim is to create a flexible, upgradeable solution, published fully in open source: The hardware (robot platform and dummies) will be published as well-documented DIY (do-it-yourself) projects and the accompanying software will be published as open-source projects. With the CORDS-VTS solution, SME companies, researchers and educators can test vehicle automation technology at a reachable price point and with the necessary flexibility, enabling higher innovation rates.
