163 research outputs found
Layanan Berbasis Lokasi Untuk Menemukan Koki Rumahan Yang Terdekat Dan Tersedia
No full textMakanan merupakan kebutuhan pokok manusia yang berkontribusi secara langsung dalam menjaga kesehatan. Pola konsumsi makanan yang buruk dengan olahraga yang tidak teratur berpotensi menimbulkan penyakit, baik jangka pendek maupun jangka panjang. Salah satu yang menyebabkan pola konsumsi makanan yang buruk adalah karena ketidakmampuan individu dalam mengolah bahan mentah menjadi makanan jadi. Akibatnya banyak individu memilih untuk membeli makanan di luar yang banyak mengandung bahan berbahaya (misalnya MSG atau Aspartam). Di lain sisi, terdapat anggota masyarakat yang dapat mengolah bahan mentah menjadi makanan (kita sebut sebagai koki rumahan). Biasanya para koki rumahan adalah individu biasa yang tidak mendapatkan pelatihan atau pendidikan khusus dibidang kuliner. Namun, tidak menutup kemungkinan terdapat individu yang mendapatkan pelatihan dan pendidikan khusus kuliner untuk bergabung. Tugas akhir ini bertujuan untuk mempertemukan antara individu yang tidak bisa memasak dengan koki rumahan. Individu akan menyediakan bahan baku dan tempat bagi koki rumahan. Sebagai gantinya, koki rumahan akan menyediakan jasa mengolah bahan mentah menjadi makanan jadi. Dengan demikian, individu mendapatkan makanan secara reguler sekaligus menjaga kualitas asupan makanan karena kendali bahan baku ada di individu. Adapun disiplin ilmu yang digunakan pada penelitian ini adalah enterprise resource planning, khususnya pada proses order to cash. Proses ini dimulai ketika individu mencari koki rumahan untuk memasak makanan, sehingga terbentuk pesanan yang menghasilkan tagihan akhir. Oleh karena itu, penulis mengajukan solusi dalam bentuk sebuah aplikasi pencari koki rumahan. Aplikasi pencari koki rumahan adalah sebuah platform berbasis web yang terintegrasi dengan Google Maps yang dapat membantu dalam mencari koki rumahan di daerah sekitar yang dapat membuatkan masakan sesuai dengan keinginan dan juga menyehatkan. Sehingga permasalahan terhadap makanan yang mengandung bahan-bahan berbahaya dapat segera teratasi.
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Food is one of human basic needs that directly contributed to maintain body health. The habit of consuming low quality food combined irregular exercise patterns might bring out diseases, either for short or long term. One thing that cause people regularly consuming low quality foods is the inability of someone to process raw ingredients to prepared dishes. Because of that, people preferred to buy fast foods that contains a lot of aditive materials that if consumed regularly will likely affect body health, such as MSG or Aspartam. In the other side, there are people that could process raw ingredients to prepared dishes (we call them home cooks). Usually, home cooks are untrained people that never got any specific training or education in culinary field. But, there are still possibilities that there will be people that got trained specifically in culinary to collaborate. This thesis aims to meet individuals that cannot cook with the home cooks. The individuals will prepare the raw ingredients and a place to cook for the home cooks. In return, the home cooks will provide the service to process raw ingredients to prepared dishes. Therefore, the individuals will get prepared foods regularly and maintain the quality of their consumed foods, because the one that in charge of the raw materials is the person himself. As for the main knowledge that used in this research is enterprise resource planning, especially in order to cash process. This process starts when a person is looking for home cooks to cook dishes, and this will form booking process that results final invoice. Hence, the author proposed solution in the form of application for searching home cooks. Application for searching home cooks is a web-based platform that integrated with Google Maps that could help to look for home cooks in surrounding areas that could make healthy dishes according customers’ needs. So, the problems regarding to foods that contains dangerous ingredients could be solved
Resilience by Sindhi Protagonists in Tryst with Koki
No full textTryst with Koki by Sindhi academic Subhadra Anand can be deemed partition literature/historical fiction which focuses on the resilience shown by an 18-year-old Sindhi protagonist called Sheila in the pre and post partitioning of the Indian subcontinent. In this study, we describe the demonstration and growth of her resilience and that of her brother Suresh in the face of the numerous setbacks they encountered. The characteristics of what makes for this resilience are said to be the characteristics of the Sindhi community. The author uses metaphors and similes to portray how fear and lack of confidence is overcome by love and care for others - both family and community and results in resilience
Dynamic network modeling for spaceflight logistics with time-expanded networks
No full textThesis: Ph. D., Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, 2015.This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.Cataloged from student-submitted PDF version of thesis.Includes bibliographical references (pages 139-145).This research develops a dynamic logistics network formulation for high-level lifecycle optimization of space mission sequences in order to find an optimal space transportation architecture considering its technology trades over time. The proposed methodology is inspired by terrestrial logistics analysis techniques based on linear programming network optimization. A new model with a generalized multi-commodity network flow formulation and a time-expanded network is developed for dynamic space logistics optimization. The developed methodology is applied to three case studies: 1) human exploration of Mars; 2) human exploration of a near-Earth object (NEO); 3) their combination (related to the concept of the Flexible Path). The results reveal multiple dynamic system-level trades over time and provide recommendations for an optimal strategy for human space exploration architecture. The considered trades include those between in-situ resource utilization (ISRU) and propulsion technologies as well as orbit and depot location selection over time. The numerical results show that using specific combinations of propulsion technologies, ISRU, and other space infrastructure elements effectively, we can reduce the initial mass in low- Earth orbit (IMLEO) by 45-50% compared with the baseline architecture. In addition, the analysis results also show that we can achieve 15-20% IMLEO reduction by designing Mars and NEO missions together as a campaign compared with designing them separately owing to their common space logistics infrastructure pre-deployment. This research serves as a precursor for eventual permanent settlement and colonization of other planets by humans, thus transforming us into a multi-planet species.by Koki Ho.Ph. D
The aging of international migrants and strategic transnational practice in later life: Exploring Portuguese seniors in Toronto, Canada
No full textThe Portuguese community in Toronto is the largest in North America; however, its immigrant population is now aging. This paper addresses senior immigrants who had a transnational later life and discusses this practice in the transatlantic context, using a lifecycle model of transnational migration. Later life is a life stage that is highly feasible for transnational migration, as seniors are mostly disentangled from various obligations, such as work, child rearing, and caregiving for parents. Transnational senior migrants in Europe and North America can be categorized into four groups: Intra-Europe Rich, Intra-Europe Immigrant, North American Snowbird, and Trans-Atlantic Immigrant. Trans-Atlantic Immigrant seniors, the target group of this paper, differ from the other groups on several points, including seasonal preference for transnational migration, motivations, and legal regulations. The paper considers the questions of why senior Portuguese immigrants choose to stay in Portugal for an extended period each year, while mainly living in Canada, and how their later life is structured between the two countries. Transnational later life is a strategic practice of senior Portuguese immigrants in Canada in the last stage of their lifecycle, allowing them to maximize government pension payments while simultaneously enjoying the highest quality of life possible in both countries
Target search methods for space situational awareness
No full textThis work studies methods to detect target in an orbit around the Earth using a space based sensor. Searching for a target among a large set of candidate orbits is a difficult and time consuming problem. Considering orbital dynamics, sensor uncertainties and the initial size of candidate location distribution, it is desirable to develop efficient search techniques. In this work, information-theoretic methods for searching a target in a large probability distribution using a space based sensor is considered. One intuitive approach is to steer the sensor towards regions of high probability density. Alternatively, information-theoretic methods steer the sensor based on metrics of the information gain in the posterior probability distribution. Through simulation, it is shown that information-theoretic search methods produce greater knowledge about probability distribution of the target's orbit. We also present methods to lower the computing expense imposed on the computer on-board a space based sensor. The issue is addressed using data clustering technique called K-means clustering. It is shown that errors resulting from searching the target after clustering is much lower compared to errors resulting from searching targets at the locations of higher probability.Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2020-05-01The student, Mihir Patel, accepted the attached license on 2018-04-24 at 11:35.The student, Mihir Patel, submitted this Thesis for approval on 2018-04-24 at 11:43.This Thesis was approved for publication on 2018-04-25 at 09:49.DSpace SAF Submission Ingestion Package generated from Vireo submission #12445 on 2018-08-31 at 17:21:23Made available in DSpace on 2018-09-04T20:36:53Z (GMT). No. of bitstreams: 2
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Optimal satellite constellation spare strategy using multi-echelon inventory control with stochastic demand and lead times
No full textThe recent growing trend to develop large-scale satellite constellations (i.e., megaconstellation) with low-cost small satellites has brought the need for an efficient and scalable maintenance strategy decision plan. Traditional spare strategies for satellite constellations cannot handle these mega-constellations due to their limited scalability in number of satellites and/or their lack of consideration of the relatively low reliability of small satellites. This research proposes a novel spare strategy using an inventory management approach. The model considers a set of parking orbits at a lower altitude than the constellation for spare storage, and model satellite constellation spare strategy problem using a multi-echelon (s,Q)-type spare inventory problem, viewing Earth's ground as a supplier, parking orbits as warehouses, and in-plane spare stocks as retailers. This approach is unique in that the parking orbits (warehouses) drift away from the orbital planes over time due to orbital mechanics effects, and the in-plane spare stocks (retailers) would receive the resupply from the closest (i.e., minimum waiting time) available warehouse at the time of delivery. The parking orbits (warehouse) are also resupplied from the ground (supplier) with stochastic lead time caused by the order processing and launch opportunities, leveraging the cost saving effects by launching many satellites in one rocket (i.e., batch launch discount). The proposed model is validated against simulations using Latin Hypercube Sampling, and an optimization formulation based on the proposed model is introduced to identify spare strategy, comprising the parking orbits characteristics and all locations policies, to minimize the maintenance cost of the system given performance requirements. The proposed model and optimization method are applied to a real-world case study of satellite mega-constellation to demonstrate their value.Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2020-05-01The student, Pauline Jakob, accepted the attached license on 2018-04-24 at 14:07.The student, Pauline Jakob, submitted this Thesis for approval on 2018-04-24 at 14:22.This Thesis was approved for publication on 2018-04-25 at 08:37.DSpace SAF Submission Ingestion Package generated from Vireo submission #12451 on 2018-08-31 at 17:21:25Made available in DSpace on 2018-09-04T20:36:53Z (GMT). No. of bitstreams: 2
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Giant light deflection via electro-mechanical modulation of liquid crystals
No full textThis article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Koki Imamura, Hiroyuki Yoshida, and Masanori Ozaki, Appl. Phys. Lett. 114, 061901 (2019) and may be found at https://doi.org/10.1063/1.5083980Liquid crystals (LCs) are matter with fluidity and anisotropy and have been used in various electro-optic devices for their capabilityto modulate the refractive index by voltage. Here, we show that LCs are capable of electro-mechanically modulating light tocause giant light deflection at low voltages (exceeding 64° at 1.0 V). We use a composite material where polymerized cholestericLC particles that show optical Bragg reflection float in a nematic LC medium. The polymer-particles are elastically coupled withthe host director through their surface molecular anchoring and rotate from a face-on to side-on configuration at the Frederiktransition. Rigid-body rotation of the reflection plane causes light deflection, which is well reproducible and can be modelled theoretically.Our findings demonstrate the capability of LCs as a micro-electrical-mechanical system platform, which are potentiallyuseful for large-area light-controlling applications. This study was supported by a Grant-in-Aid for JSPS Fellows (18J10027), JSPS KAKENHI (17H02766), and JST PRESTO (JPMJPR151D). The authors thank Merck Performance Materials for providing the chiral dopant
Orbit control for a spacecraft around a splitting contact binary asteroid
No full textThis thesis examines an orbit control problem for a spacecraft around a contact binary asteroid considering the dynamics of both the spacecraft and the asteroid itself. It is known that approximately 15\% of the near-Earth asteroids are binary, and among these the fraction of contact binaries is between 6 and 10%. Most contact binary asteroids are constituted of an agglomeration of smaller boulders maintained together due to their internal gravity, which is a relatively unstable configuration. Therefore, even a minor change in their mass distribution, like would be caused by the landing of mining machines, can result in a modification of the asteroid's structure including a landslide or a splitting. Particularly, separation of the asteroid into two parts is problematic in terms of orbit control, because of the consequences on the gravitational field of the asteroid. Traditional two-body orbital control methods cannot be applied to the missions to those asteroids because they do not consider the dynamic activities of the asteroids themselves. This thesis proposes and evaluates a control method to follow a predefined path under unknown states of the splitting binary asteroid.Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2020-12-01The student, Jean-Baptiste Bouvier, accepted the attached license on 2018-12-10 at 21:54.The student, Jean-Baptiste Bouvier, submitted this Thesis for approval on 2018-12-10 at 22:00.This Thesis was approved for publication on 2018-12-11 at 14:05.DSpace SAF Submission Ingestion Package generated from Vireo submission #13283 on 2019-02-07 at 14:23:24Made available in DSpace on 2019-02-07T20:44:28Z (GMT). No. of bitstreams: 2
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Impact evaluation of in-space additive manufacturing and recycling technologies for on-orbit servicing
No full textMade available in DSpace on 2018-09-04T20:42:00Z (GMT). No. of bitstreams: 2
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Previous issue date: 2018-04-27Embargo set by: Seth Robbins for item 107322
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Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD systemU of I Only Restriction Lifted for Item 107322 on 2020-09-05T09:15:13Z.This thesis proposes an integrated simulation tool to evaluate the impact of future in-space additive manufacturing (ISAM) and recycling technologies on the responsiveness of an on-orbit servicing (OOS) infrastructure to random failures of satellites distributed over an orbit. The considered OOS infrastructure is composed of a mothership and a servicer (i.e., daughtership); the mothership serves as a depot for spares, whereas the servicer travels with the spares to randomly failed satellites and provides a service. All satellites are assumed to be modularized, and thus the service type considered within the infrastructure is the replacement of a failed module with a new spare one. Additionally, an ISAM facility can be added to the mothership, which can scavenge material that makes up the failed module. This obtained feedstock from failed modules, along with raw material supplied from Earth, could be used to manufacture a new spare. The key parameters in this analysis include the technology level of ISAM, in terms of the types of material it can manufacture, and the scavenge rate, defined as the percent of material mass able to be recycled from the failed module to the new module. The two metrics for evaluation are the required resupply launch mass to the mothership and the average waiting time of the satellites before it is serviced. Simulations results showed that the ISAM and recycling technology provides a large impact in terms of both reduction in resupply launch mass and responsiveness of its service to the randomly failed satellites.Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2020-05-01The student, Patrick Sears, accepted the attached license on 2018-04-26 at 11:43.The student, Patrick Sears, submitted this Thesis for approval on 2018-04-26 at 11:49.This Thesis was approved for publication on 2018-04-27 at 09:12.DSpace SAF Submission Ingestion Package generated from Vireo submission #12522 on 2018-08-31 at 17:21:4
An investigation on dispersion state of graphene in polypropylene/graphite nanocomposite with extensional flow mixing
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