Design of parameter-scheduled state-feedback controllers using shifting specifications

In this paper,the problem of designing aparameter-scheduled state-feedback controller is investigated. The paper presents an extension of the classical regional pole placement, H2 control and H1 control problems, so as to satisfy new specifications, that will be referred to as shifting pole placement control, shifting H2 control and shifting H1 control, respectively. By introducing some parameters, or using the existing ones, the controller can be designed in such away that different values of the separameters imply different regions where the closed-loop poles are situated, or different performances in the H2 or H1 sense. The proposed approach is derived within the so-called Lyapunov Shaping Paradigm, where a single quadratic Lyapunov function is used for ensuring stability and desired performances in spite of arbitrary parameter time variation. The problem is analyzed in the continuous-time LPV case, oventhough the developed theory could be applied to LTI systems in cases when it is desired to vary the control system performances online. Results obtained in simulation demonstrate the effectiveness and the relevant features of the proposed approach.Peer ReviewedPostprint (published version

Robust fault tolerant control framework using uncertain Takagi-Sugeno fuzzy models

This chapter is concerned with the introduction of a fault tolerant control (FTC) framework using uncertain Takagi-Sugeno (FS) fuzzy models. Depending on how much information is available about the fault, the framework gives rise to passive FTC, active FTC without controller reconfiguration and active FTC with controller reconfiguration. The design is performed using a Linear Matrix Inequality (LMI)-based synthesis that directly takes into account the TS description of the system and its uncertainties. An example based on a mobile robot is used to show the application of this methodologyPeer ReviewedPreprin

HDNA: A graph-based change detection in HTML pages(Deface Attack Detection)

In this paper, a new approach called HDNA (HTML DNA) is introduced for analyzing and comparing Document Object Model (DOM) trees in order to detect differences in HTML pages. This method assigns an identifier to each HTML page based on its structure, which proves to be particularly useful for detecting variations caused by server-side updates, user interactions or potential security risks. The process involves preprocessing the HTML content generating a DOM tree and calculating the disparities between two or more trees. By assigning weights to the nodes valuable insights about their hierarchical importance are obtained. The effectiveness of the HDNA approach has been demonstrated in identifying changes in DOM trees even when dynamically generated content is involved. Not does this method benefit web developers, testers, and security analysts by offering a deeper understanding of how web pages evolve. It also helps ensure the functionality and performance of web applications. Additionally, it enables detection and response to vulnerabilities that may arise from modifications in DOM structures. As the web ecosystem continues to evolve HDNA proves to be a tool, for individuals engaged in web development, testing, or security analysis.Comment: 6 pages, 3 figure

Impact of Foreign Direct Investment on Domestic Investment in Bangladesh

This study examines the impact of foreign direct investment inflows on domestic investment in Bangladesh by using time series data for the period of 1978 to 2017 Gross Capital Formation GCF is used as dependent variable which is proxy of domestic investment and Foreign Direct Investment FDI broad money M2 export EX are used as independent variables ADF test is used for testing stationary of taken variables in the model Hence some variables are stationary at level and one is at first difference Autoregressive Distributed Lag ARDL estimation technique is used to accomplish the analysis The result shows that in the long run and short run there is a positive but insignificant relation between foreign direct investment and domestic investment and relationship between export and domestic investment also positive and significan

Health-aware control of an octorotor UAV system based on actuator reliability

A major goal in modern flight control systems is the need of improving the reliability. This work presents a reliable control approach of an octorotor UAV that allows distributing the control effort among the actuators using health actuator information. The octorotor is an over-actuated system where the redundancy of the actuators allows the redistribution of the control effort among the existing actuators according to a given control strategy. The priority is given to each actuator according to the capabilities and reliability of this actuatorPeer ReviewedPostprint (author's final draft

PRAKTIK PENGALAMAN LAPANGAN (PPL) PENDIDIKAN TEKNIK INFORMATIKA UNIVERSITAS NEGERI YOGYAKARTA Semester Khusus Tahun Akademik 2014/2015 SMK Muhammadiyah 1 Bantul

Penyelenggaraan kegiatan Praktik Pengalaman Lapangan (PPL) merupakan salah satu upaya yang dilakukan oleh Universitas Negeri Yogyakarta (UNY) agar mahasiswa bisa mengembangkan dan menerapkan ilmu yang telah diperoleh selama kuliah untuk diterapkan dalam kehidupan nyata khususnya di lembaga pendidikan formal dan lembaga pendidikan non formal sebagai calon pendidik atau tenaga kependidikan. Kompetensi yang diupayakan untuk dapat dikuasai mahasiswa yaitu sosial, pedagogik, profesional, dan kepribadian. Kegiatan ini diharapkan mampu memberikan pengalaman belajar bagi mahasiswa terutama pengalaman mengajar, memperluas wawasan, pelatihan dan pengembangan kompetensi yang diperlukan dalam bidang tertentu, peningkatan keterampilan, kemandirian, tanggung jawab, dan kemampuan dalam menyelesaikan masalah. Secara umum, pelaksanaan PPL meliputi empat tahapan yaitu tahap persiapan, pelaksanaan, evaluasi dan penyusunan laporan. Tahapan pelaksanaan PPL meliputi tahap pembekalan, penerjunan, dan praktik mengajar. Pelaksanaan program PPL dimulai dari tanggal 2 Juli 2014 sampai 24 Oktober 2014 yang diisi dengan observasi kelas dan lembaga, konsultasi, pembuatan Rencana Pelaksanaan Pembelajaran, pembuatan materi ajar dan media pembelajaran, praktik mengajar, dan evaluasi. Dalam praktik mengajar, kelas yang diampu adalah kelas X RPL 1 dan X RPL 2 serta pendampingan Kegiatan Belajar Mengajar kelas XI RPL 1 di jurusan Rekayasa Perangkat Lunak (RPL) dengan total jam pertemuan dikelas adalah 152 jam. Evaluasi meliputi pembuatan soal praktikum serta pembuatan tugas untuk siswa. Secara keseluruhan Program PPL dapat dilaksanakan dengan baik dan lancar meskipun terdapat kendala yang tidak diduga yaitu musibah sakit selama kurang lebih 2 bulan. Pada realisasinya kegiatan pembelajaran berjalan tidak sesuai dengan target yang sudah direncanakan namun dapat diselesaikan dengan baik. Praktik Pengalaman Lapangan menjadi sarana untuk melatih mahasiswa sebelum terjun ke lapangan kerja yang sesungguhnya. Melalui program ini, praktikan diharapkan memiliki keterampilan dalam manajerial kelas dan sekolah sehingga kegiatan belajar mengajar dapat berjalan dengan baik dan menghasilkan input dan output yang andal serta melatih komunikasi yang baik dengan seluruh komponen sekolah. Pelaksanaan PPL di SMK Muhammadiyah 1 Bantul ini juga diharapkan dapat menjadi salah satu fungsi kehumasan mahasiswa sehingga sekolah dapat menjadi mitra Universitas Negeri Yogyakarta untuk melaksanakan PPL tahun berikutnya

Decentralized fault-tolerant control of inland navigation networks: a challenge

Inland waterways are large-scale networks used principally for navigation. Even if the transport planning is an important issue, the water resource management is a crucial point. Indeed, navigation is not possible when there is too little or too much water inside the waterways. Hence, the water resource management of waterways has to be particularly efficient in a context of climate change and increase of water demand. This management has to be done by considering different time and space scales and still requires the development of new methodologies and tools in the topics of the Control and Informatics communities. This work addresses the problem of waterways management in terms of modeling, control, diagnosis and fault-tolerant control by focusing in the inland waterways of the north of France. A review of proposed tools and the ongoing research topics are provided in this paper.Peer ReviewedPostprint (published version

Recognition and Classification of Fast Food Images

Image processing is widely used for food recognition. A lot of different algorithms regarding food identification and classification have been proposed in recent research works. In this paper, we have use an easy and one of the most powerful machine learning technique from the field of deep learning to recognize and classify different categories of fast food images. We have used a pre trained Convolutional Neural Network (CNN) as a feature extractor to train an image category classifier. CNN2019;s can learn rich feature representations which often perform much better than other handcrafted features such as histogram of oriented gradients (HOG), Local binary patterns (LBP), or speeded up robust features (SURF). A multiclass linear Support Vector Machine (SVM) classifier trained with extracted CNN features is used to classify fast food images to ten different classes. After working on two different benchmark databases, we got the success rate of 99.5% which is higher than the accuracy achieved using bag of features (BoF) and SURF

Analisis Logam Timbal dan Tembaga Terhadap Daya Serap Rumput Laut Gracilaria Sp. Sebagai Biosorben

ABSTRAK Nama : Akhi Nurul Agusti Program Studi : Kimia Judul : Analisis Logam Timbal dan Tembaga Terhadap Daya Serap Rumput Laut Gracilaria Sp. Sebagai Biosorben Rumput laut Gracilaria sp. merupakan tumbuhan air yang termasuk dalam golongan alga merah (Rhodophyceae) yang berpotensi dapat menurunkan konsentrasi logam berat Pb dan Cu. Penelitian ini bertujuan untuk mengetahui kadar logam berat Pb dan Cu yang teradsorpsi pada rumput laut Gracilaria sp. dan pengaruhnya terhadap daya adsorpsi logam Pb dan Cu berdasarkan variasi waktu kontaminasi. Metode yang digunakan adalah proses destruksi basah refluks dengan pelarut berupa HNO3 : HClO4 (2:1) sebanyak 15 mL. Variasi waktu yang digunakan adalah 1, 2 dan 3 minggu. Larutan hasil destruksi yang diperoleh di analisis konsentrasinya menggunakan SSA (Spektrofotometer Serapan Atom). Hasil yang didapatkan dalam penelitian ini adalah kadar logam Pb pada rumput laut keadaan awal diperoleh konsentrasi sebesar 1,2344 mg/L, pada minggu ke 1 sebesar 1,2820 mg/L, pada minggu ke 2 sebesar 1,2642 mg/L dan pada minggu ke 3 sebesar 2,3149 mg/L. Dari hasil ini dapat dilihat besarnya kadar Logam Pb pada rumput laut Gracilaria sp. sudah melewati standar yang ditetapkan BPOM No. 23 Tahun 2017 yaitu 0,20 mg/L. Sedangkan kadar logam Cu pada rumput laut keadaan awal diperoleh konsentrasi sebesar 0,0001 mg/L, pada minggu ke 1 sebesar 0,1579 mg/L, pada minggu ke 2 sebesar 0,5120 mg/L dan pada minggu ke 3 sebesar 0,7946 mg/L. Dari hasil ini dapat dilihat besarnya kadar logam Cu pada rumput laut Gracilaria sp. sudah melewati ambang batas yang disyaratkan oleh BPOM No. 03275/B/SK/VII/1989 yakni sebesar 0,1 mg/L. Kata Kunci : Rumput laut Gracilaria sp., adsorben, destruksi, timbal (Pb), tembaga (Cu), SSA (Spektrofotometer Serapan Atom)

Dilated LMI characterization for the robust finite time control of discrete-time uncertain linear systems

This paper provides new dilated linear matrix inequalities (LMIs) characterizations for the finite time boundedness (FTB) and the finite time stability (FTS) analysis of discrete-time uncertain linear systems. The dilated LMIs are later used to design a robust controller for the finite time control of discrete-time uncertain linear systems. The relevant feature of the proposed approach is the decoupling between the Lyapunov and the system matrices, that allows considering a parameter-dependent Lyapunov function. In this way, the conservativeness with respect to previous results is decreased. Numerical examples are used to illustrate the results.Peer ReviewedPostprint (author's final draft