Energy Optimization in Virtual Objects Against Physical Objects

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Energy Optimization in Virtual Objects Against Physical Objects

Varun H. E

    1. ech student (Software engineering), AMCEC, Bangalore, Karnataka,

      Mrs. Ramya Assistant Professor, Dept of CSE, AMCEC, Bangalore, Karnataka,

      Abstract Internet of things is the technology where the things are connected and internet interconnects them. In this paper we expect to propose a Web-Of-Objects based Energy optimizations for giving an answer for effectively oversee vitality utilization in brilliant home environment. The general objective of the web of objects is to improve article and application sending, upkeep and operation in Internet of Things bases. Charm additionally means to propose administration building design framework to backing a clever highlights through a virtualization of the physical things. Object virtualization guarantees harmonization, alliance and blend of articles and also benefits in the energy optimization. Semantic methodology assumes a key part in web of objects for guaranteeing the data reusability, extensibility and interoperability among virtual items. The concept compared with the multi objective energy efficiency optimization algorithm for energy consumption at certain nodes to be effortlessly deployable in the genuine environment. This framework can be pertinent to building, especially considering a home situation in the paper.

      Index Terms web of Objects(WoO),Web of Things(WoT),Internet of Things(IOT).


Internet of things which encompasses every aspects of life from connecting homes to industries in smart cities. In everyday life energy consumption is the major problem. The energy consumption must be reduced and saved in better way. Therefore it is necessary for enforcing energy optimization all over the world applications.

The internet of things which can be defined as the smart machines which communicating and interacting with other machines, objects, infrastructures and environments. In internet of things the energy management which plays a major role to make efficient and flexible application. Energy management solution which request to collaborate among the power source and energy consuming devices of power usage in real life.

The internet of things which has billions of connections in every aspect of lives. It is the interaction and exchange of data between machines and objects.IOT which gathers information using sensors and devices to connect physical world to the information world. In addition to that the web of things which features the combination of unique characteristics of web applications and various virtual objects mapped from multiple things. It also supports the features to

collaborate different tangible things as the virtual objects by using semantic ontology.

The primary goal of web of things which deliver a service architecture that simplifies the management of smart service environment. It mainly incorporates the application development and flexibility from web and grabs huge interconnected objects facility The algorithm which is required to make the energy consumption less in the applications. Many studies have been done in the area of Wireless Sensor Networks (WSNs) in recent years. In this kind of networks, some of the key objectives that need to be satisfied are area coverage, number of active sensors and energy consumed by nodes. Here, the multi-objective algorithm for optimizing all of these objectives simultaneously. Here EEOA(Energy Efficiency Optimization Algorithm) module analyses data including user attributes and the previous energy usage pattern of the specific user from the history of the data base.


The internet of things and energy optimization are the basic concepts where several researches are been going on. The energy optimization for physical objects against the virtual objects paper which inspired by following methods and are represented as follows.

The algorithm which has used inspired by the concept of multiple object energy efficiency optimization algorithm[2] which shows the optimization of objects simultaneously. This efficiency can be shown as the least energy consumption, and the minimum number of active nodes while maintaining the connectivity of the network.

The approach of the paper also innovated by the procedures and techniques of web of objects based energy management[3] in the internet of things which shows how the energy consumption is optimized in everyday life.

It also narrates subsequently about virtual objects against real world objects.

In this paper we propose the the virtual objects against the physical objects in which the energy optimization can be done in an organized way.

The multiple objective energy efficiency optimization algorithm for coverage control in wireless sensor networks

which is used to maintain energy consumption in physical objects against real world objects.

It ensures the energy efficient environment to be considering indoor and outdoor conditions along with the user's history based attributes. The unique sensors are available for different locations, which are responsible to sense environmental conditions like temperature, humidity, light etc. Sensed raw data are stored in the Data Base storage. The algorithm calculates energy consumption within the home, calculates energy optimization, minimum active nodes in connectivity of the networks.


Energy optimization process collects the indoor and outdoor current conditions data through WoO based Gateway sensed by sensors. Energy Efficiency Optimization Algorithm module analyses those data including user attributes and the previous energy usage pattern of the specific user from the history Database. After that the decision making module trigger the control function to start heating gradually before the person enter particular place, in this situation sudden increment of energy uses is omitted as well as reduces the energy consumption.

Various devices and sensors inside the home are objectified and virtualized in energy optimization system. Fig. 1 shows the architecture of the proposed energy optimization system. In order to construct this the following composition are needed: The WoO based smart home gateway provides the functions of connecting the actuator and various sensors inside and outside of a home to form virtual objects. From this, the module for communication with the device and sensors is included, data transaction, data management and data protocol management is also included. ·

  • WoO Proxy.

  • WoO Based Smart Home Gateway.

  • Indoor and Outdoor sensor devices.

  • Web service platform.

  • Application platform.

Fig 1:Energy optimization architecture

Keeping in mind the end goal to join with the WoO intermediary the http based REST interface is incorporated to oversee, store, sensing different sensor's data and when in extraordinary cases it sends the data to the web server. The Web service Platform provides service registration and

management, service session management, business logic management and responsible of most of the web service management. And the last, Application server gives a server to connect with the different actuator to be observed and remotely control by the administrator. What's more, the server likewise incorporates the database for philosophy usefulness..

  1. Service model

    Service model for WEMS defines the main abstractions and concepts that underlie the WoO domain and describes the relationhips between device, object, resource and service. The main principle of the WoO is extension of the Web into the physical world, to involve interaction with physical entity in the ambient environment.

    • Physical Objects: defined as physical device and resource in physical world.

    • Virtual Objects: defined as objects showing virtual device and resource in WoO domain.

    • WoO Service: offers all necessary functionalities of interacting with the virtual objects and related processes using web interface.

      The distinguished ideas need to be demonstrated in a configuration that gives computerization, interoperable by human and machine interpretable representations. The administration show in WoO space is suited to adjust ontologies that models questions, assets and administrations. These may serve as an abnormal state show that references and expands after existing vocabularies, for example, sensors, perception and estimation and area from different ontologies. The portrayal of an item is taking into account a theoretical class called Entity. An element has as equivalent word class Objects. It may speak to a physical substance or a virtual element. The article has the capacity acquire properties of dynamic questions, for example, administrations or portable items like the autos, robots or handheld gadget and sensing stations.

      administrations or portable items like the autos, robots or handheld gadget and sensing stations.

      Fig 2.Object relation in energy optimization

      The first view allows describing the services delivered by objects for Discovery purpose, while the second view provides a technical description of the data and operations grounding in order to implement the applications.

  2. Energy monitoring and measurement

    Energy checking and measuring utilizing WoO stage are vital for energy administration process, as they empower choose client to distinguish change opportunities and to stay informed regarding the impacts of the choices on vitality utilization.The estimations obtained from the framework give normal vitality utilization designs, which help in outlining and testing control calculations including forecast of future utilization designs.

    Energy estimations from different nearby smart meters can be separated by significance and natures as per WoO stage. These occasions can demonstrate basic events, for example, turning on/off of an electrical apparatus or more pressing occurrences, for example, power spillage or flame. The capacity on spine of an adaptable, asset arranged occasion for foundation to disperse occasions to intrigued elements is performed in the WoO stage for vitality administration. Warnings depend theme based distribute/subscribe systems through Web push methods. Any registering gadget that runs a Web server can be an endorser that is told through POST asks. Gathering information created by keen meters into a focal area is important to change it into valuable data about power use examples of individuals, neighborhoods, urban areas or even nations. Open access to this data is a key empowering influence to expand mindfulness about our own vitality use.

    Home inhabitants will have the capacity to stand up in comparison their current power foot shaped impression over months and correspond their conduct with vitality and cash funds. Empowering direct access to this information through a Web API, will make extremely easy to incorporate this information with existing web applications (e.g., informal organizations, for example, facebook and twitter to further include clients into offering and contrasting their vitality utilization with their companions and relatives).

  3. Multi objective Energy efficiency optimization algorithm. In this section, the details of algorithm are described. At first, we made some assumptions: the nodes are deployed randomly, each one are static and knows its own location using some location systems. In the proposed algorithm, such as, the transmission radii of sensors are assumed to be at least twice the sensing radii for assuring the connectivity of the network.

    We introduce a cluster-based optimization scheme which is scheduled into rounds. In each round, firstly, the target area is divided into several clusters. The LEACH algorithm is used for clustering and selecting the cluster heads. The cluster-head has full control of its cluster and run the algorithm for optimizing the following objectives subject to the connectivity constrain:

    Objective 1: Maximizing the network coverage: Max f1(x)= Acovered / A.

    where Acovered is the covered area by the active sensors and A is the whole area of the sensor field.

    Objective 2: Number of active sensors that is desirable to be minimize, so can be converted to the objective for maximization as follow: Max f2(x)= 1- |K|/ |K|

    In this equation, |K|is the number of active nodes and |K| is the number of all nodes. We have used a bit string with size K for representing the solution. For each sensor node 1 bit is assigned in the solution and this bit represents the working state of corresponding node as (6):

    x = (x1, x2,, xi,, xK) xi = 1, 0 (6) In Fig.3, the flowchart of the proposed algorithm is shown. The recombination operator used in this paper is two-point crossover, which is a typical recombination for binary or other string-like chromosomes, and the crossing points are selected at random.

    The mutation operator is applied for each new generated child after crossover. It works by complementing some genes in the child's chromosome randomly. The mutation operator swaps the bits of each string (0 becomes 1 and vice versa) means that a sleep sensor node becomes active and vice versa.

    After a new population has been produced through the genetic operators, selection is done in an extended space composed of all parent and offspring individuals. This extended sampling space allows large probability of mutation and crossover while keeping the population relatively stable. Assign each individual having two fitness functions (coverage rate and number of active sensors), by introducing the non-dominated sorting, crowded distance operator and elitism. Selecting the individuals as a parent for producing the next generation is proportional to its fitness value.

    Every time there are two arrangements of distinctive non- command positions, we incline toward the higher one. In the event that there are two arrangements with the same non- command positions, we favor the particular case that has bigger packed separation. Additionally the elitism instrument is utilized as a part of our calculation to avoid decimating the best individual of every era by the hybrid and transformation administrators amid the development process. This implies that the current best individual at every era of the calculation can be effortlessly exchanged to the cutting edge.

    Fig 3: The flowchart of proposed algorithm

  4. Object virtualization function

    Fig 4: objectification of Energy optimization

    To construct virtualization using WoO service models for Energy optimization can describe how to communicate with physical objects in WoO environment. For the Energy optimization service, the objectification in the WoO platform is to make the object from the physical object such as device, sensor, and tag. In order to provide objectification, the platform uses the Energy optimization objects model and the resource model with semantic ontology and then object created in the platform can be used in services for optimization.

    The objectification using the service models in WoO based EM platform is depicted in Fig.5 The EM object can be created by the information of physical object in WoO based platform, and it can be constructed using WoO based semantic ontology model.

    • The EM object includes the attributes as followed:

    • Profile of physical object such as device, sensor and tag related to EM.

      EM resource description and sensing data

    • Access interface information such as URI, interface type(e.g., REST or SOAP) and method name

    • Optimization location information · Starting date and time of object

Fig 5: Energy optimization in objects.

Assortment of items in environment is reused, reconfigured and reproduced. A few articles have its own particular typified estimation of their characteristics, and the virtualization work in the WoO stage gives another new support of make a recognized purposed article as indicated by the client's craving.

The items are built considering to have diverse indicated quality of its own. Some specific qualities from question 1

and distinctive characteristics from protest 2 and 3 are utilized for making a virtual article. Also, in the layer of virtual article, it contains the union of those traits of a few items so as to recently make the virtual item having extra particular and abilities to give another etc. Through the virtual item the consecutively made items have the capacity to give another union of questions that could constantly grow took after by another to meets the WoO based Energy administration.


We have exhibited energy administration framework in this paper. Hence we have demonstrated the virtual item development against this present reality physical articles. All these virtual items are semantically interconnected and are competent to give benefit by teaming up one another. The multi objective energy efficient optimization which is proposed concept can be applied for the energy optimization in the certain nodes in the applications Our proposition is to streamline the vitality utilization in home situations considering the solace level of relatives. Our model considers WoO which incorporates semantic philosophy which has the preferences, for example, data reusability, extensibility. Future work incorporates the correlation of energy utilization between the typical framework and implemented in certain applications.


  1. Zia Ush Shamszaman, Sanghong Lee and Ilyoung Chong, WoO based User Centric Energy Management System in the Internet of Things, Hankuk University of Foreign Studies, Yongin, Korea ©2014 IEEE.

  2. Seyed Mahdi Jameii and Seyed Mohsen Jameii, Multi objective energy efficient optimization algorithm for coverage control in storage area networks, in (IJCSEIT), Vol.3,No.4,August 2013.

  3. Jayavardhana Gubbi, a Rajkumar Buyya,b Slaven Marusic,a Marimuthu Palaniswamia Internet of Things (IoT): A Vision, Architectural Elements, and Future Directions, in 2013.

  4. What the Internet of Things (IoT) Needs to Become a Reality. white paper

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