scholarly journals Tractor accelerated test on test rig

2013 ◽  
Vol 44 (2s) ◽  
Author(s):  
M. Mattetti ◽  
Giovanni Molari ◽  
A. Vertua ◽  
A. Guarnieri
Keyword(s):  
Real Life ◽  
Weather Condition ◽  
Experimental Tests ◽  
Acceleration Factor ◽  
Test Rig ◽  
The Real ◽  
Structural Part ◽  
Ground Testing ◽  
Post Test ◽  
Structural Tests

The experimental tests performed to validate a tractor prototype before its production, need a substantial financial and time commitment. The tests could be reduced using accelerated tests able to reproduce on the structural part of the tractor, the same damage produced on the tractor during real life in a reduced time. These tests were usually performed reproducing a particular harsh condition a defined number of times, as for example using a bumpy road on track to carry out the test in any weather condition. Using these procedures the loads applied on the tractor structure are different with respect to those obtained during the real use, with the risk to apply loads hard to find in reality. Recently it has been demonstrated how, using the methodologies designed for cars, it is possible to also expedite the structural tests for tractors. In particular, automotive proving grounds were recently successfully used with tractors to perform accelerated structural tests able to reproduce the real use of the machine with an acceleration factor higher than that obtained with the traditional methods. However, the acceleration factor obtained with a tractor on proving grounds is in any case reduced due to the reduced speed of the tractors with respect to cars. In this context, the goal of the paper is to show the development of a methodology to perform an accelerated structural test on a medium power tractor using a 4 post test rig. In particular, several proving ground testing conditions have been performed to measure the loads on the tractor. The loads obtained were then edited to remove the not damaging portion of signals, and finally the loads obtained were reproduced in a 4 post test rig. The methodology proposed could be a valid alternative to the use of a proving ground to reproduce accelerated structural tests on tractors.

A Dynamic Light-Duty Vehicle Model: Validation With Indoor and Outdoor Experimental Tests

2007 ◽  
Author(s):  
Federico Cheli ◽  
Edoardo Sabbioni
Keyword(s):  
Commercial Vehicle ◽  
Structural Parameters ◽  
Experimental Tests ◽  
Vehicle Model ◽  
Test Rig ◽  
Light Duty ◽  
Post Test ◽  
Light Duty Vehicle ◽  
Multi Body ◽  
Indoor And Outdoor

A Multi-Body vehicle model aimed at reproducing the vertical dynamics of a light-duty commercial vehicle is presented in this paper. In order to properly model the vehicle and to identify some unknown structural parameters, experimental tests have been carried on a four-post test rig and on ordinary roads.

ENHANCING THE STUDENTS’ READING COMPREHENSION BY USING CONTEXTUAL TEACHING & LEARNING (CTL)

2013 ◽  
Vol 2 (2) ◽  
Author(s):  
Refai -
Keyword(s):  
Reading Comprehension ◽  
Teaching And Learning ◽  
Real Life ◽  
The Real ◽  
12Th Grade ◽  
Post Test ◽  
Contextual Teaching ◽  
Teaching Learning

The objective of the study was to find out if Contextual Teaching and Learning (CTL) can develop the 12th Grade Students’ reading comprehension. The findings showed that CTL is able to enhance the students’ reading comprehension. Before the teacher applied CTL in the class, he activated the students’ schemata of  understanding some of the English texts, then, he addressed the implementated procedure of the strategy, in addition, the students started to read the text and situated the text to the real-life, then they related the content of the text by answering “What, Where, Why” and the important aspects of understanding the text. At last, the students got post-test of reading comprehension, and the teacher determined the students’ scores.

scholarly journals Engaging Students‘ Speaking Skill Using Role Play in Junior High School

2020 ◽  
Vol 3 (2) ◽  
pp. 327-339
Author(s):  
Kamal Yusuf ◽  
Feby Anggita Setyamardani
Keyword(s):  
High School ◽  
Junior High School ◽  
Junior High ◽  
Role Play ◽  
Real Life ◽  
The Real ◽  
English Teaching ◽  
Before And After ◽  
Post Test ◽  
Speaking Skill

This paper aimed to investigate to what extent the role play technique, especially semi-scripted could improve students’ speaking skill in English. This research was a descriptive qualitative in nature where was conducted at SMP Rahmat in Surabaya, East Java. Thirty students participated in this study and they have practiced a semi-scripted role play as one kind of role play techniques. There was pre-test and post-test applied, before and after the role play activities. The tests were done to measure students’ speaking skill. The results of this study showed that semi-scripted role play technique could significantly improve and affect properly the speaking ability of the students. Furthermore, by employing the semi-scripted role play, the students could freely express their feelings and make them able to explore their creativity in more ways to enable them facing the real life. Keywords:  Role Play, Dialogue, Speaking Skill, English Teaching

scholarly journals Hardware in the Loop Test-Rig for Identification and Control Application on High Speed Pantographs

2004 ◽  
Vol 11 (3-4) ◽  
pp. 445-456 ◽  
Author(s):  
A. Collina ◽  
A. Facchinetti ◽  
F. Fossati ◽  
F. Resta
Keyword(s):  
High Speed ◽  
Real Life ◽  
Operating Conditions ◽  
Hardware In The Loop ◽  
Test Rig ◽  
Dynamical Interaction ◽  
Contact Wire ◽  
The Real ◽  
Current Collection ◽  
Set Up

Trains current collection for traction motors is obtained by means of a sliding contact between the overhead line (OHL) and the collector strips mounted on the pantograph head. The normal force by which the collector presses against the contact wire ensures the contact pressure for the electrical contact. As the train speed increases, the variation of contact force between pantograph and catenary increases, and the pantograph-OHL dynamic interaction becomes greater. This condition causes excessive mechanical wear and contact wire uplift (for high values of contact forces), and leads to high percentage of contact loss, arcing and electrically related wear.The topic of actively controlled pantograph is gaining more interest as a tool to increase the performance of the current collection at high speed. In the last few years, it appears possible to transfer the knowledge based on numerical experiments, to the real operating condition. An important step in this direction is the set up of a laboratory hardware in the loop test-rig in which the control strategies and the actuation can be tested, before tests performing in real life conditions, in order to demonstrate their actual feasibility. The present paper describes an hardware in the loop (HIL) test-rig developed by the authors, which allows to reproduce the dynamical interaction between overhead lines and pantograph in high speed railways. Using the described laboratory set-up, experimental investigation on the problems related with pantograph-OHL interaction can be performed, very similarly to the real life operating conditions, with the advantage of varying test parameters and conditions easily.

Exploring Citizenship: Unit 4 My Heritage

EDIS ◽  
2019 ◽  
Vol 2019 (5) ◽  
pp. 14
Author(s):  
John Rutledge ◽  
Joy C. Jordan ◽  
Dale W. Pracht
Keyword(s):  
Youth Development ◽  
Real Life ◽  
Development Program ◽  
The Real ◽  
Volunteer Leaders ◽  
Youth Development Program ◽  
Major Revision ◽  
The World ◽  
Individual Needs

 The 4-H Citizenship Project offers the opportunity to help 4-H members relate all of their 4-H projects and experiences to the world around them. The 4-H Citizenship manuals will serve as a guide for 4-H Citizenship experiences. To be truly meaningful to the real-life needs and interests of your group, the contribution of volunteer leaders is essential. Each person, neighborhood, and community has individual needs that you can help your group identify. This 14-page major revision of Unit IV covers the heritage project. Written by John Rutledge, Joy C. Jordan, and Dale Pracht and published by the UF/IFAS Extension 4-H Youth Development program. https://edis.ifas.ufl.edu/4h019

L'esperienza clinica con Levometadone nel trattamento del disturbo da uso di oppiacei

MISSION ◽  
2019 ◽  
pp. 54-57
Author(s):  
Marco Riglietta ◽  
Paolo Donadoni ◽  
Grazia Carbone ◽  
Caterina Pisoni ◽  
Franca Colombi ◽  
...  
Keyword(s):  
Adverse Events ◽  
Real Life ◽  
Opioid Use Disorder ◽  
Racemic Mixture ◽  
Opioid Use ◽  
The Real ◽  
New Formulation

In Italy, at the end of the 1970s, methadone hydrochloride was introduced for the treatment of opioid use disorder, in the form of a racemic mixture consisting of levomethadone and dextromethadone.In 2015 Levometadone was introduced, a new formulation marketed in Italy for the treatment of opioid use disorder in 2015.The article aims to bring the experience of an Italian Addiction Centre back to the use of this new formulation in the "real life" analyzing the efficacy, the trend of adverse events and pharmacological iterations in a context in which the treated population often uses besides the opiates, cocaine and alcohol, are burdened by a relevant physical and psychic comorbidity and frequently have a prescribed polypharmacy.

Efficacy and safety of long-acting pasireotide in acromegalic patients in the real life: The reappraisal of the first-dose follow-up visit

2020 ◽  
Author(s):  
Claudio Urbani ◽  
Francesca Dassie ◽  
Benedetta Zampetti ◽  
Di Certo Agostino Maria ◽  
Renato Cozzi ◽  
...  
Keyword(s):  
Real Life ◽  
Efficacy And Safety ◽  
The Real ◽  
Long Acting

Experiential Learning in Graduate Archival Education at the University of Botswana

Mousaion ◽  
2019 ◽  
Vol 37 (1) ◽  
Author(s):  
Olefhile Mosweu
Keyword(s):  
Experiential Learning ◽  
Work Experience ◽  
Real Life ◽  
Opportunity To Learn ◽  
Theory And Practice ◽  
Records Management ◽  
Archival Theory ◽  
Snowball Sampling ◽  
The Real ◽  
The University

Most curriculum components of archival graduate programmes consist of contextual knowledge, archival knowledge, complementary knowledge, practicum, and scholarly research. The practicum, now commonly known as experiential learning in the global hub, is now widely accepted in library and information studies (LIS) education as necessary and important. It is through experiential learning that, over and above the theoretical aspects of a profession, students are provided with the opportunity to learn by doing in a workplace environment. The University of Botswana’s Master’s in Archives and Records Management (MARM) programme has a six weeks experiential learning programme whose purpose is to expose prospective archivists and/or records managers to the real archival world in terms of practice as informed by archival theory. The main objective of the study was to determine the extent to which the University of Botswana’s experiential learning component exposes students to real-life archival work to put into practice theoretical aspects learnt in the classroom as intended by the university guidelines. This study adopted a qualitative research design and collected data through interviews from participants selected through purposive and snowball sampling strategies. Documentary review supplemented the interviews. The data collected were analysed thematically in line with research objectives. The study determined that experiential learning does indeed expose students to the real world of work. It thus helps to bridge the gap between archival theory and practice for students without archives and records management work experience. For those with prior archival experience, experiential learning does not add value. This study recommends that students with prior archives and records management experience should rather, as an alternative to experiential learning, undertake supervised research, and write a research essay in a chosen thematic area in archives and records management.

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