International Journal of Scientific & Engineering Research, Volume 4, Issue 7, July-2013 167

ISSN 2229-5518

Online Physics Laboratory- Just In Time

Experiment for Research Scholar

Prakash A. Bhadane, S.M.Sabnis, P. G. Kulkarni

Abstract-During past decade the awareness with learning online techniques has grown progressively as much as using electronic digitalization can be involved inside testing. Due to the better volume of pupils being able to access the actual college or university educational structures, the expense of laboratories pertaining to didactical electronic digital programs will likely be very high. As a result, a number of software equipment as well as environments happen to be designed to aid end users to talk about distributed laboratory sources as well as realize personal tests. However, additional alternatives need to be explored while pupils have to be educated as well as experienced from the physics instrumentation programming. W ith this report, we use current java software language to development as well as implement some sort of distributed structures pertaining to personal physics labs permitting the actual approach formerly referred to. Solutions built-in on these structures try and support pupils to keep hitting the ground with true physics equipment simulate remotely system instrumentation. This kind of learning online method is mentioned and a few reports coming from pupil’s knowledge using the java program are generally demonstrated.


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capabilities. Furthermore type of solutions most of us
implemented solutions allowing much more innovative
Learning online is an appearing actuality through which
researchers, teachers and experts in several physics education
areas could interact by simply getting at virtual control
methods specializing in finding out [1]. The progress
connected with brand-new conversation infrastructures allows
your file format of the perform offered by distance education to be able to authentic laboratories as their physical procedures is usually virtually handled [2]. A regular personal lab device suggests a good emulation or maybe simulation permitting long distance relationship with the lab instruments. Simulation is usually a proper way correspond manage education and learning in normal, the idea are not able to replace tests on authentic lab. This approach penalizes highly the effectiveness of the space finding out setting mainly because inside the formative procedures your functional playing features are of wonderful significance. In reality, over the experience strategy scholars can fully grasp features connected with instruments and lab tests. Alternatively virtual control laboratories can slow up the running costs and invite an improved instrument [3]. So as to provide a remedy to be able to these kinds of problems we have described and carried out a broad allocated platform, PhysiVlab (Physics Virtual Lab). The problem evaluation, aimed on the standards of the features in order to the definition of the organizations along with the "actors" of the PhysiVlab setting, was your beginning in this function. Your second action was the selection of the most effective technological know-how for the implementation in this structure. An alternative exists by simply cooperative systems including Jini [4]. Jini goes together with your Java program and was presented by simply Sunshine Microsystems inside the 1999. Jini enabled units can easily communicate over the community to offer one another service that may be discovered and constructed dynamically. [5]. With this platform most of researchers implemented couple of distinct typologies involving solutions: the primary people offer with virtual common pedagogical characteristics from the very first levels courses in which learners include only to carry self confidence using this new type of approach and need to discover the essential tool
handle from the devices because of the learners. By means of these kinds of solutions the training method has got the identical worth involving standard one. With this paper most of us can illustrate with facts about an idea of this PhysiVlab architecture pattern along with the implemented solutions. The paper can be prepared within the pursuing sections: secondly, most of us can create program along with the PhysiVlab architecture pattern for different subjects.
Inside section 3, we illustrate a number of implemented solutions. We also report a number of initial trials and examine foreseeable future developments our program.


With this section we lightly illustrate this architecture from the PhysiVlab atmosphere. Firstly, we individuated the essential uses from the program along with the personalities that could utilize the program pinpointing about three typologies involving personalities: Individual teachers and students. We all defined delegates because a few homogeneous solutions. Therefore delegates program recognizes solutions associated with distinct physics courses. As soon as the investigation cycle, most of us defined the software program web theme creating our outline architecture. We all made PhysiVlab considering about three fundamental web themes: the services module, the authentication module along with the transmission module. So as to better knowing and detailing this architecture from the program, it truly is easy to describe different web theme. All of the software package elements allowing this understanding involving solutions with PhysiVlab participate in this services module. Inside PhysiVlab we've got 2 types of software package elements: Java (JDK1.xx) organizations and solutions. Teams can certainly store and adorn solutions. In general, in the PhysiVlab program we've got N organizations and Mirabelle solutions. The actual authentication module aspires to control this methods access insurance policy with PhysiVlab

IJSER © 2013

International Journal of Scientific & Engineering Research, Volume 4, Issue 7, July-2013 168

ISSN 2229-5518

atmosphere. The item makes it possible for these customers to be able to access this sanctioned organizations and solutions. The actual transmission module is a software package of java web covering allowing this transmission amongst consumer and java tomcat server functions displaced about distinct JVM according this JITC (Just in Time Compilation) transmission method.


In this particular area, we explain throughout more details about some solutions developed to introduce from the PhysiVlab setting. With this very first prototype we developed solutions in which seek to guide trainer along with pupils from the laboratory techniques involving Power along with Consumer electronics Dimensions of the institution involving Executive on the University or college involving Salerno. Within PhysiVlab setting we put delegates referred to as “Measurements Group” developing along with employing a pair of diverse typologies involving solutions: the normal solutions and the state-of-the-art solutions. The primary kinds enable towards the pupils uncomplicated interaction using the tools, even though the second kinds guide more knowledgeable pupils from the in-depth command involving physics experimentation tools. Within PhysiVlab Fundamental solutions enable uncomplicated relations in between pupils along with steps involved in execution of laboratory tools. For such execution on the personal lab prototype we tested on tools which are linked to a software simulations. From the developing along with execution involving this program a first along with severe dilemma would be the policy usage of the different tools.
We put in place a unique program Pendulum in which handles communications using the java communication ports. The item handles customers swing queue according to a first Input Primary Production technique along with results towards the experimentation. Since illustration let's make clear in some information a certain program referred to as java swing. The item permits pupils interaction using the java swing windows programming. Java Swing is usually a windows programming having an animation features along with of web interaction. Our java swing program is just not physically allocated on the computer linked to the actual database of readings which acts as an input to software and yes it works by using JSP (Java Server Pages) program to access over the intranet or internet. After the authentication cycle, a student can easily down load the actual proxy on the program along with apply it. With this program a student can easily recreate similar activities in which she/he might have performed from the laboratory. In our structure, state-of-the- art solutions stand for an opportunity with which in order to put into practice a new way of thought in which speaks with regard to virtual experimentation options to use genuine real- life pursuits. In order to achieve these benefits, the actual state-of-the-art solutions usually do not provide an uncomplicated interaction having tools however enable a lot more command about the same as well as time consuming.
Expert pupils can easily acquire their unique packages so as to command or even execute described function sequences. And so, we developed along with put in place a service referred to as “Exec” which allows the actual performance involving computer software in distant tools.
This particular program permits just about any executable software to operate in distant physics experimentation approaches. Pupils can easily produce packages in his / her personal computer that can focus on distant experiments. Through a image user interface the actual pupil can easily pick the program to execute, specify the actual desired destination report through which program memorizes the actual result production on the performance involving method along with start this software throughout distant.


We developed and tested simple physics experiments. The first study was addressed to help students possessing absolutely no experience in simple physics experiment as well as researchers who searching for extensive experiments like fuel cell spray pyrolysis to find out standard aspects. In particular, during the research laboratory techniques many people only need to interact with a few gauge tools to learn their particular standard benefits. With regards to a hundred students joined this program as well as experienced several research laboratory techniques (about the actual 50%) with all the services implemented within our structure.
Towards the end with the study course, many of us looked into by way of questionnaires how much pleasure with the students with out of the way experience as well as identified them to experience no problem to be aware of the actual tools doing the job. Likewise the actual study course instructor looked at absolutely this kind of finding out experience. In particular, he or she realized that students built more hours involving research laboratory try out as to days gone by training. The next study course was addressed to help competent students with a year ago with the Automated Architectural Simulation. The actual study course was geared to explain to them in-depth management involving several state-of-the-art programmable gauge tools. In this predicament, research laboratory techniques provide an important purpose as well as their particular moment period may very well be substantial. Most of us intended as well as implemented several services, because formerly referred to, that recreate more sophisticated process involving interaction among researchers as well as tools.
Many students experienced typical research laboratory techniques as you move the some other utilized each of our state-of-the-art services. Towards the end of course instructor realized that the actual “on-line” students realized better comprehension of the actual recommended research laboratory subjects. The truth is that they had added time to

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International Journal of Scientific & Engineering Research, Volume 4, Issue 7, July-2013 169

ISSN 2229-5518

create, put into practice as well as try out their particular programs. This time around additionally, many of us looked into students ideas by way of ideal questionnaires. The actual students mixed up in experiment declared to have liked the opportunity to help work from home mainly because like this they are able to optimize their particular study-time in order to sense comfortable while using the out of the way interaction with tools. To conclude it, truly each of our opinion is that the use of PhysiVlab atmosphere continues to be productive inside both the conditions. On the basis of these types of final results, we're at present going to further experiment the system in order to examine inside additional information pedagogical designs pertaining to using it.


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[2] B. Aktan, C. A. Bohus, L. A. Crowl, M. H. Shor, “Distance Learning Applied to

Control Engineering Laboratories”, Tech. Rep. in IEEE Transactions on

Education, vol. 39, August 1996, pp. 320-326

[3] L. Cristaldi, A. Ferrero, V. Piuri, “Programmable instruments, virtual instruments,

and distribuited measurement systems: What is really useful, innovative, and technically sound”, IEEE Instrum. Measurements Magazine, vol 2, 1999

[4] W. Keith Edwards, “Core Jini 2nd Edition”, Prentice Hall PTR, Java Series, 2001

[5] J.M. Dricot, P. De Doncker, M. Dierickx, F. Grenez, H. Bersini, “Development of Distributed Self-adaptive Instrumentation Networks Using JINI Technology”, IEEE International Workshop on Virtual and Intelligent Measurement Systems,



Prakash A.Bhadane is currently pursuing Ph.D. Program in Physics, India, PH-08108774334. E-mail:


Suhas Sabnis is currently pursuing Ph.D. Program in Physics, India, PH-08108745111. E-mail:


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