Miracle-dz/UniFAR-FTUs huggingface dataset:
Robust fixed‐time connectivity preserving consensus of nonlinear multi‐agent systems with disturbance

This article studies the fixed‐time tracking consensus of second‐order nonlinear multi‐agent systems with disturbance. To make the fixed‐time tracking consensus, a consensus protocol based on the integral sliding mode surface is proposed, which can ensure the adjacent agents remain within a limited communication range in the communication process. By adopting Lyapunov stability theory and matrix theory, sufficient conditions for the fixed‐time tracking consensus are given, and a bound of the settling time is obtained. Finally, a simulation example is presented to verify the potential correctness of the obtained results.
Analysis on the Relationship between Burst Errors and Tracking Control Frequency in Satellite-to-Ground Laser Communications

In this paper, burst errors in uplink communication due to lags of the tracking system control in Satellite to Ground optical link was analyzed in detail. In order to make sure how about these bursts in uplink communication are affected by control frequency can, system model of the satellite terminal was founded, parameters of a satellite in sun synchronous Low Earth Orbit and detectors were set to initialize the simulations. The zenith angle of the link was set in the range of [0°, 70°]. The simulation results showed that the bursts due to lags of the tracking system control were different for communication links, but the bursts can be avoided by raising the control frequency to a certain level if it accessible.
Socialna zdržnost pri urbani prenovi: ocena želja skupnosti

Pomanjkanje prave kulture skrbi za stavbe je v večini raz‐ vitih mest pripeljalo do resnih težav zaradi propadanja mestnih predelov, in to ogroža zdravje in varnost mestnih skupnosti. Sanacija je pristop, s katerim navadno ustavimo propadanje in obnovimo propadajoča območja. Pogosto pa ima tudi negativne posledice; zmoti lahko delovanje obstoječih socialnih mrež in pretirano poveča količino odpadkov, ki nastanejo pri gradnji in rušenju zgradb. Po drugi strani je obnova stavb socialno in okolju prijaznejša izbira v primerjavi s prenovo, vendar je njen uspeh kar najbolj odvisen od sodelovanja stanovalcev. Če želimo do‐ seči trajnostno strategijo urbane prenove, moramo najti ravnotežje med interesi različnih déležnikov za enega od obeh glavnih pristopov k prenovi. Čeprav je pomembno, da pri sprejemanju odločitev upoštevamo ekonomska in fizična vprašanja, se v tej raziskavi s strukturirano anketo preučujejo želje in preference lokalnih prebivalcev glede teh dveh možnosti. Ugotovitve prispevajo k razvoju urav‐ notežene in socialno trajnostne strategije urbane prenove.
Nonlinear State Estimation of Tire-Road Contact Forces Using a 14 DoF Vehicle Model

The knowledge of the wheel forces is fundamental to the development of Advanced Driver Assistance Systems (ADAS) such as Electronic Stability Control (ESC) and Anti-Roll Control (ARC). However the direct measurement of the wheel forces has been very difficult. To overcome this drawback, it has been a common practice in the industry to estimate the forces at the tire-road contact using mathematical vehicle models and estimators, especially the Extended Kalman Filter (EKF). In this contribution, the performance of the EKF is evaluated using a complete spatial model with 14 degrees of freedom.
An approach to the analysis of injection-locked oscillators

By combining the instantaneous phase shift of a twosinusoid-input describing function with a phase response of the tuned circuit it has been possible to develop the locking equation for single-stage LC injection-locked oscillators ILO. The locking range as well as steady-state phase shift of an ILO are calculated for subharmonic, fundamental, and harmonic locking, the dc transfer characteristic of a nonlinear device being approximated, at the dc operating point, by a third-order polynomial. The phase plane representation is included. Experimental results are given to support some of the theoretical relations derived.
Impact of Elevated CO2 and Temperature on Growth, Development and Nutrient Uptake of Tomato

Elevated carbon dioxide (EC) can increase the growth and development of different C3 fruit crops, which may further increase the nutrient demand by the accumulated biomass. In this context, the current investigation was conceptualized to evaluate the growth performance and nutrient uptake by tomato plants under elevated CO2 (EC700 and EC550 ppm) and temperature (+2 °C) in comparison to ambient conditions. Significant improvement in the growth indicating parameters like leaf area, leaf area index, leaf area duration and crop growth rate were measured at EC700 and EC550 at different stages of crop growth. Further, broader and thicker leaves of plants under EC700 and EC550 have intercepted higher radiation by almost 11% more than open field plants. Conversely, elevated temperature (+2 °C) had negative influence on crop growth and intercepted almost 7% lower radiation over plants under ambient conditions. Interestingly, earliness of phenophases viz., branch initiation (3.0 days), flower initiation (4.14 days), fruit initiation (4.07 days) and fruit maturation (7.60 days) were observed at EC700 + 2 °C, but it was statistically on par with EC700 and EC550 + 2 °C. Irrespective of the plant parts and growth stages, plants under EC700 and EC550 have showed significantly higher nutrient uptake due to higher root biomass. At EC700, the tune of increase in total nitrogen, phosphorus and potassium uptake was almost 134%, 126% and 135%, respectively compared to open field crop. This indicates higher nutrient demand by the crop under elevated CO2 levels because of higher dry matter accumulation and radiation interception. Thus, nutrient application is needed to be monitored at different growth stages as per the crop needs.
Determining success factors for business tourism destinations: Evidence from Zlatibor (Serbia)

Business tourism is an important and fast-growing sector in the global tourism industry. It is often positioned as a crucial part of an economic development strategy, particularly in emerging destinations, such as Serbia. As there is a growing number of destinations that recognized benefits of business tourism development, tourism professionals and destination management must be aware of key success factors for business tourism destinations, namely factors that influence the choice of host destination for a business event. Serbia has been one of the growing meeting destinations in Europe in the last decade, and Zlatibor is a desirable tourist destination in the country, with a good reputation in hosting meetings primarily in the field of medicine. This study aims to examine the success factors for business tourism destination and the attractiveness of Zlatibor for holding business events from destination stakeholders' perspective. The results could be of interest to all stakeholders in business tourism.
A Trust-Aware Access Control Policy for Cloud Data Protection

The use of Cloud computing systems to run large-scale scientific, business and consumer based IT applications has increased rapidly in recent years. More and more Cloud users concern the data privacy protection and security in such systems. A natural way to tackle this problem is to adopt data encryption and access control policy. However, this solution is inevitably introduced a heavy computation overhead. In this paper, we first establish a trust model between Cloud servers and Cloud users. Then, we build the trust-aware attribute-based access control policies according to Cloud user trust level and Cloud request attributes. This technique can give different encryption and decryption data to Cloud user and substantive reduce the computation overhead of Cloud computing.
The prevalence and associated risk factors of low back pain in an automotive production company

Objectives: To determine the prevalence and associated risk factors of low back pain (LBP) in an automotive production company, evaluating the relationship between selected risk factors, type of occupational activity and the prevalence of LBP. Methods : This was a descriptive study at a large automotive production company entailing 200 physical production employees and 200 sedentary employees. Using a cross sectional study design, a retrospective analysis investigated the LBP prevalence, by means of a questionnaire. Individuals reported on demographics, injury location, injury aetiology, injury nature, extent of treatment rendered and time lost from work. Additionally, data was obtained regarding smoking, occupational stress and fitness.Results: A significant difference was found between sedentary and manual employees with regards to age, gender, ethnicity, marital status, education and medical aid. Similarly a significant difference between the groups was found for the point prevalence of LBP, current LBP description (sharp, shooting, dull aching, stabbing and catching pain descriptions), past LBP description (catching pain description), sidedness/ location of pain as well as associated features of the current LBP (viz. pins and needles, pain to the knees, numbness, bed rest, absence from work, pain at work and pain on weekends) and associated features of past LBP (viz. pins and needles, pain to the knees, numbness, bed rest, absence from work, pain at work and pain on weekends). There were no noted psychosocial factor that impacted on a difference between the groups, but there was a significant difference between the manual and sedentary employees with regards to absenteeism. Conclusion: A significant rate of LBP was reported amongst both the sedentary (59.6%) and the manual (89%) employees, implying that the costs to the company are relatively high. It is, therefore, suggested that the company looks at a variety of strategies to reduce the burden of LBP in their employees.
An Object Tracking Method Based on Illumination Compensation

Aiming at the illumination change and partial occlusion in the object tracking, an object tracking method based on illumination compensation was proposed. An illumination compensation method based on Retinex was applied to the sequence images, a structural appearance model and template matching were used to track the object. Dense sampling was used to obtain candidates, extended least median square was used to match templates, and a step by step template updating method is applied. The experimental results demonstrate the effect of the proposed method.
Design of a valid simulation for researching physical, physiological and cognitive performance in volunteer firefighters during bushfire deployment.

Every year, Australian firefighters protect our nation from the devastation of bushfire. Understanding the impact of consecutive long shifts in hot, smoky conditions is essential for making decisions during campaign fires. At present, the evidence-base for such decisions is limited to laboratory studies with little relevance to bushfire suppression or field research where the impact of environmental and workload stressors cannot be measured. To counter these limitations, we have developed a three-day simulation that mimics the work and environment of campaign bushfire suppression. Construction of the simulation involved three stages; 1) data collection and analysis; 2) design and development; and 3) trial and refinement. The frequency, intensity, duration and type of physical work performed on the fireground is well documented and a modified applied cognitive task analysis, using experienced firefighters was used as a framework to describe in detail the non-physical aspects of the work. The design and development of the simulation incorporated the physical and non-physical aspects of the work into simulated tasks. Finally, experienced firefighters participated in trials of the simulation and reviewed digital recordings to ensure that the simulation accurately represented campaign bushfire suppression work. The outcome of this project is a valid, realistic, and reliable simulation of the physiological, physical and cognitive aspects of a volunteer firefighter on a three-day bushfire deployment.
Stacked 3-D MCP with plastic ball vertical interconnections

Continually shrinking electronic products are incorporating more and more functionality. To ensure development in the future, new technologies are needed in semiconductors and in electronics packaging. Using 3-D packaging, devices can be made much smaller than with planar packaging. In this paper the structure and reliability of a stacked 3-D multichip package for System-in-Package (Si€') solutions is reported. The vertical connections in stacked packages play an important role. The stacked 3-D package developed utilizes solder-plated plastic halls in vertical connection between interposer Layers. The properties and reliability of these vertical interconnects are essential to the functionality of a 3D MCP. Plastic core halls have several advantages that make them excellently suited for stacked 3-D structures, the gap holding ability of solder-plated plastic halls is essential for fixed electrical characteristics of packages and high yield of the stacking process. Stacked 3-D MCPs with coated plastic ball vertical interconnects were manufactured to he tested. The reliability of vertical interconnects and flip chips in stacked packages against thermal stresses was studied in a -4OOC to 125°C thermal shock test.
REGISTRIERUNG MORPHOLOGISCHER UND ELEKTRISCHER MESSWERTE AM LANGENDORFF-PRÄPARAT

Die computergestutzte Modellierung des menschlichen Herzens hat in den letzten Jahren vielfaltige Beitrage aus der Elektrophysiologie, Biomechanik und numerischen Mathematik erhalten. Die Integration dieser Beitrage ist eine Aufgabe, welche interdisziplinare Zusammenarbeit erfordert. In der vorliegenden Arbeit wird ein Experiment vorgestellt, welches einen Beitrag zur Herzmodellierung leistet. Am isolierten, uberlebenden Saugetierherzen werden mittels eines Rontgencomputertomographen (Somatom Plus 4 Volume Zoom, Siemens Berlin) morphologische Daten und mittels einer Multikanalmesseinrichtung (EnSite 3000, ESI Pittsburgh) elektrische Daten dynamisch erfasst, registriert und visualisiert.
Dual Frequency Millimeter-Wave Perturbed Ring Patch Antenna Array for 5G Applications

A dual-band antenna array has been reported in this paper working in the fundamental mode of TM11 resonance for 5G communication. Rogers Rt/Duroid 5880 as dielectric substrate having a height of 0.508 mm has been chosen for the proposed antenna. A single element ring patch antenna has been developed by etching circular slots at different angles i.e. 0°, 90°, and 180° making it perturbed which resonates at 28 GHz providing an impedance bandwidth of 4% by exciting two resonant modes making it novel. Further, to cultivate the gain, a four-element antenna array is evolved by utilizing series-feed network due to which the flux linkage of the radiating element combines with the conductive behaviour of the feed network resulting an extra resonance at 36 GHz providing reflection coefficient of more than –20 dB at both resonating frequencies. By constructing an array, the antenna gain gets doubled along with a 1% increase in impedance bandwidth at 28 GHz. By considering the various electromagnetic parameters, a detailed analysis has been done using CST MW studio ver.2018. Further, to authenticate the result of the reported antenna array, the antenna has been fabricated as well as tested using VNA which shows close resemblance with simulated antenna characteristics.
BLENDING VIRTUAL REALITY TECHNOLOGY IN THE CLASSROOM

Abstrak: Kajian mendapati bahawa peralatan ICT boleh meningkatkan keupayaan pelajar belajar, berinteraksi dan mencapai kepuasan. Kajian terdahulu tertumpu kepada percambahan pelbagai bentuk ICT seperti pembelajaran online dan pembelajaran berasaskan laman web dalam bilik darjah. Namun, sedikit perhatian diberikan terhadap mengkaji percambahan teknologi Virtual Reality (VR) dalam bilik darjah. Teknologi VR berupaya simulasi keadaan dunia yang sebenar, dan mencambahkan pelbagai bentuk pengajaran, dan mempunyai potensi untuk membina pengalaman pembelajaran. Kertas ini melaporkan hasil kajian yang mencambahkan persekitaran VR dengan perbincangan online dan interaksi bersemuka. Pelajar mempelajari pendekatan membuat keputusan dalam konteks perniagaan yang kompleks sepanjang semester dan di akhiri dengan pendedahan terhadap VR. Kajian ini mendapati pelajar dalam persekitaran VR dapat membentuk pengetahuan tentang membuat keputusan pemasaran yang lebih baik berbanding pelajar dalam persekitaran bukan VR. Kertas ini juga membincangkan tentang isu kajian berkaitan dengan percambahan teknologi VR dalam bilik darjah.
Electricity in modern commercial horticulture

Over the past 10 years there has been a significant change in the role of electricity in horticulture. From being largely an aid to the amateur gardener, rarely used by the commercial grower, electricity now plays a substantial part in modern commercial horticulture. Some of the earlier expectations, based chiefly on the small-scale work, have not developed as expected and hoped. In situ soil warming, for instance, has not taken its expected place in commercial horticulture, and large-scale glasshouse installations are few and far between. On the other hand, the use of soil-warming equipment to provide bottom heat for propagation in frames and propagating cases has increased substantially. Direct space heating by electricity was hardly expected to play any significant part in commercial glasshouse work, but through electrical auxiliaries alone has it been possible to develop various modern methods of large-scale automatic heating using either coal or oil. Where the circumstances and scale of requirement do justify direct electrical space heating, emphasis is placed on the need for correct design, particularly in relation to a proper basic temperature. Probably the most prominent role of electricity in commercial horticulture has been in the provision of artificial lighting for plant growing in various ways; increase of plant development and its control have both been successfully applied through the use of electric light in ways and with means which are commercially successful. The development of new wiring methods and equipment has aided the provision of safe wiring installations in horticultural premises.
A Remedial ESL Writing Programme for Rural Learners

This study describes a remedial programme in ESL writing to enhance the writing skills of rural learners. This research first attempt to find out the need and lack of these learners in order to address them systematically. This article also shows how such remedial programme in writing can make a difference for tertiary differently-abled learners who lag behind due to their socio-economic background .
From Lives to Discurso in the biographies of Thomas More: Roper, Harpsfield and Herrera

This article compares the books about the Lifes of Thomas More written by Roper and Harpsfield and the work Tomás Moro by Fernando de Herrera. The comparison is taken as a case in point of the divergent early development of the biographical genre in England and in Spain. The three texts were written by Catholic humanists, but under different contexts, which produced different kinds of text. Roper’s and Harpsfield’s Catholicism, marked by a close contact with the Morean tradition, the English form of Counter-Reformation under Mary, and the Elizabethan reversion to Protestantism, makes them drift towards an early form of modern biography. Fernando de Herrera, however, sets out to write his text from the background of the Spanish Counter-Reformation and a different discursive and textual conception of life writing.
The Potential of Induced Pluripotent Stem Cells to Advance the Treatment of Pancreatic Ductal Adenocarcinoma

Simple Summary Despite improvements in the treatment of several cancer types, the extremely poor prognosis of pancreatic cancer patients has remained unchanged over the last decades. Therefore, new therapeutic regimens for pancreatic cancer are highly needed. In this review, we will discuss the potential of induced pluripotent stem cells (iPSCs) to generate representative pancreatic cancer models that can aid the development of novel diagnostics and therapeutic strategies. Furthermore, the potential of iPSCs as pancreatic cancer vaccines or as a basis for cellular therapies will be discussed. With promising preclinical results and ongoing clinical trials, the potential of iPSCs to further the treatment of pancreatic cancer is being explored and, in turn, will hopefully provide additional therapies to increase the poor survival rates of this patient population. Abstract Advances in the treatment of pancreatic ductal adenocarcinoma (PDAC) using neoadjuvant chemoradiotherapy, chemotherapy, and immunotherapy have had minimal impact on the overall survival of patients. A general lack of immunogenic features and a complex tumor microenvironment (TME) are likely culprits for therapy refractoriness in PDAC. Induced pluripotent stem cells (iPSCs) should be explored as a means to advance the treatment options for PDAC, by providing representative in vitro models of pancreatic cancer development. In addition, iPSCs could be used for tailor-made cellular immunotherapies or as a source of tumor-associated antigens in the context of vaccination.
Higher‐order of chronic lymphocytic leukaemia (CLL) classification: shared antigenic specificities of stereotyped B‐cell receptor subsets as defined by the European Research Initiative on CLL consortium

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