The proposed system will act as a set of elevators typically found in a highrise building. Tie a piece of rope to a box, and youve got a basic elevator. A simulation study of elevator control of a building using. Elevator control system project asee peer document. This project is developed by using a programmable logic controller plc to control a 4stories building elevator. Design of control system of construction elevator based on. Voice operated intelligent liftelevator the main aim of this project is to design and construct a voice operated liftelevator control system. An elevator system prototype constructed with three floors to elevate a 5kg payload with 1bar pressure had been proposed and controlled via a plc controller of lsglofag7mdr20a, 8 inputs, and. The bell crank transmits the movement to the power mechanism through the control linkage. Although we show the concept with two floors shown in fig 1, it is still possible to. Speech recognition is the process of recognizing the spoken words to take the necessary actions accordingly. From two stop hydraulics to high speed multicar groups our platform handles them all.
A simulation study of elevator control of a 3storey building has been presented in this paper using digital logic circuit. Construction elevator is automated through these technologies. Additionally, kone elink has an industry standard interface to building. For reostatic control elevators, the safeties shall be tested by trip. Supervisory system mel eye enhances elevator and escalator operation. Elevator is an inseparable part of a building structure.
Traction elevator controllers, imc the systems described in this section provide premium performance for gearless or geared elevator installations. It provides information, which is useful to those who wish to carry out a lift control system research or project. It also presents the ladder diagram of the key aspects of the system. The elevator control system is one of the important aspects in electronics control module in automotive application.
Plc based elevator control page 6 aims and objectives of the work in our project elevator is controlled by plc. The design gives the basic structure, control principle and realization method of the plc control system in details. Hydraulic elevators the concept of an elevator is incredibly simple its just a compartment attached to a lifting system. This article will discuss how to use the real time elevator control interface. The block diagram of a plc system is given in the diagram 4. Control system for experimental model of electric elevator. An elevator is defined as, a machine that carries people or goods up and down to different levels in a building or mine. Its control is based on the input that we get from the operator as well as from the sensors.
This paper introduced the design and realization of the elevator experimental equipment based on configuration software and plc. In this paper, a new elevator group supervisory control system based on the ordinal structure fuzzy logic algorithm is proposed. Modern elevator systems work under control of digital system like plc or single chip computers. A delta, magnetek, keb, yaskawa or mitsubishi drive unit controls the motor and provides motor overload and fault protection. Using configuration software in conjunction with the manipulators movement in the system gave the most intuitive exhibition and the dynamic imitation. While a standalone elevator is a simple electromechanical device, an elevator system may consist of multiple standalone elevator units whose operations are controlled and coordinated by a master controller. The elevator cabinet is designed by having in mind the number of traveler it is going to travel. Figure 1 shows a conventional elevator system using destination control systems dcs, one per floor. So, the control system is essential in the smooth and safe operation of the elevator. Elevator concepts utilizes a special type of industrial computer called a programmable logic controller plc to control the logic of more complex jobs. The programmable logic control plc has proven to be dependable in many industrial. The class encapsulates the operation logic for the elevator control system. Jul 24, 20 elevator control system uses systems that are realtime, distributed, and embedded. Elevator is an appropriate system where we can explore a lot of features of the plc.
It is important to note that for safety reasons and manufacturer specifications, blusky access control system controls the access rights to an elevator and not to the elevator itself. Step electric is china group control system manufacturer, the elevator group control system may offer multiple functions. Unlike conventional elevator control systems, which only register the desired travel direction, kone destination incorporates desired destination floors and the. Certificate of approval netaji subhash engineering college this is to certify that the project entitled plc based elevator controller submitted in partial fulfillment of the requirement for the award of bachelor of technology in electrical engineering under wbut is faithful record of the bona fide project work, carried out by. Also it should have the strength to convey the weight of the traveler travelling in. The aim of an elevator control system the main aims of the elevator control system are. The safety circuits are controlled by both the cpu and relay structure for maximum reliability and redundancy in all modes of operation. Microcontroller based elevator conservation system to reduce. This system only requires one button on each floor, which, when pressed, sends a call to the elevator to come to that specific floor. Intelligent elevator control by ordinal structure fuzzy. We can make the hardware model of the three floor elevator. Elevator systems manufactures a complete line of nonproprietary elevator controllers for traction and hydraulic elevators.
A delta, magnetek, keb, yaskawa or mitsubishi drive unit controls. The motion of the elevator that people normally use is controlled by a stepper motor. Since the elevator systems are generally plc controlled, various plcbased elevator sets were designed to use in the trainings related to it 9. The elevator control system is programmed in a ladder diagram format into the plc.
Speech recognition is the process of recognizing the spoken. An elevator system is a vertical transport vehicle that efficiently moves people or goods between floors of a building. Simple elevator control system inputs and outputs basic elevator components, 2012 the advent of personal computers has made microprocessor technology affordable for many other fields. Powerful processing algorithms eliminate the need for adjusting trimpots. Also it should have the strength to convey the weight of the traveler travelling in the elevator. Making use of wireless module to realize the transmission of user information,plc control system are adopted, the serial communication mode between the plc and the wireless module was adopted. Elevator is an important shifting carry medium in multistorage building, with the evolution of higher standard architecture technology, buildings are constructing in height.
This is an plc controlled elevator system that was completely built by dunwoody college of technology electronics students. The drive system for the motor may have inverter with a rectifier or it may depends upon the type of power converter that the designer choose. Brand, marginalizing out future passengers in group elevator control. Ml800 series integrated elevator controller user manual document version. This allows building managers to rapidly respond to changing traffic patterns, thus optimizing the performance of elevators and escalators and maximizing the added value of the whole. As it is a mere model only, while shifting to practical elevator. This system only requires one button on each floor, which, when pressed, sends a. Authorized users provide template voice signals for digital storage in a memory. Elevator supervisory group control systems analysing the performance of elevator assignment algorithms in. A voicecontrolled elevator security system is disclosed.
A group controller is used to realize the registration and the allocation of the hall call. The slower the elevator elevator travels the better this controller stops. Each elevators status and operation can be monitored and controlled using. Lift control systems and control panels intelligent lift control systems for more economic use. It guides the elevator in what order to stop at floors, when to open or close the door etc.
For control the elevator system through plc we can making the control circuit. Configure number of floors being controlled in system options enable the isc for elevator support enable the card reader for elevator and track floors optional on the readers tab configure the necessary bas1200 outputs on the elevator hardware tab of the reader. The single template voice signal having the largest. The ecs will be a distributed embedded system, consisting of a set of communicating elevator control units. System galaxy is used to configure the cards, set any destination features, configure and assign the elevator access groups and the otis floor groups including free floors and dec operating modes. Motor control is by power electronics smooth control or soft start from one of the other soft start manufacturers. Relay is operate the dc motor in forward direction and reverse direction. Then look for some analog sensor which will give you the idea how analog devices work. Plc based elevator control system part 1 of 3 youtube. Block diagram of the elevator system in this work, we show the basic elevator system with two floors. In this investigation elevator control system is designed with different control strategies.
If the hydraulic system fails, the cylinder can be disconnected. Hence an elevator becomes an essential medium of perpendicular. In this project, motorola 68hc11 a1 microcontroller is used as the primary controller. Besides, it is consist of various inputs and outputs circuits together with a lift model. This is a video display of our plc based elevator control system implementationhardware test. When the stick is moved, it actuates the control cables that move the elevator control bell crank. This is to certify that the project entitled plc based elevator controller submitted in partial fulfillment of the requirement for the award of bachelor of technology in electrical engineering under wbut is faithful record of the bona fide project work, carried out by the following candidates under my guidance and supervision. This system acts as humanmachine communication system. The elevator plc system adds the dependability of solidstate technology to relaycontrolled elevator systems immediately, without the time or expense of a. Implementation of elevator control system based on plc. Performance of elevator systems that use dcs is improved. Elevator controllers elevator control system schumacher. Microcontroller based elevator conservation system to.
Configure number of floors being controlled in system options enable the isc for elevator support enable the card reader for elevator and track floors optional on the readers tab configure the necessary bas1200 outputs on the elevator hardware tab of the reader optional. An elevator control system this paper will describe the modeling process of an elevator control system ecs using specc. Keywords plc based elevator, elevator design, constant speed. Management system, to allow easy integration to other facility management systems, if. In turn, the power mechanism actuates a pushpull tube, which deflects the elevators up or down. There are a number of strategies an elevator control system can use to transfer. Systemlevel modeling and simulationof an elevator control. The design of elevator control system based on plc and. The ss5plc control is capable of handling single and multicar group operation. Toshiba elevator and building systems corporation toshiba is an established industry leader in elevator and escalator.
Optimise traffic flows, reduce costs, energy consumption and waiting times. Modern lift control systems tailored to the type of building in which they are installed combine all of these advantages. Elevator control system is the system responsible for coordinating all aspects of elevator service such as travel, speed, and accelerating, decelerating, door opening speed and delay, leveling and hall lantern signals. The latest elevator system has structural differences from conventional ones, such as destination control systems dcs, which allow the desired floor to be known before the user enter a car markon et al. Elevator control system is one of the most important part of the elevator, elevator control system is needed to control all the functions of the elevator. The dec and card reader are the user interface to the. Feb 20, 20 this is a video display of our plc based elevator control system implementationhardware test. Each lcs receives as inputs the commands sent by the ecgs and control the traction engine of the respective elevator.
The class constructor receives references to the elevatorloginterface and elevatorvisualizerinterface interfaces. Where can i find a tutorial for a plc controlled elevator. A voice controlled elevator security system is disclosed. The elevator mentioned here is fully automated using plc. The system is hence divided in 3 modules floor, plc and the elevator. According to that signal plc will make the drive motor and door motor to work correspondingly. Its time to update your elevator by mitsubishi electric. We have been supplying controllers to independent elevator companies and global industry leaders for over 40 years. The system has simple peripheral circuit and the operation result showed. The schumacher elevator ss5plc hydraulic elevator control system is specifically designed to meet the demands of the hydraulic elevator industry. When you are done with this, look how motors are c. Practice shows that the efficiency is high and usage cost is low and operation is reliable. The design comprises of 6 components namely 1 push button 2 hall effect sensor 3 programmable logic controller siemens s71200 4 bidirectional hbridge dc motor 5 display unit 6 elevator.
Th e elevator simulator is prebuilt and equipped with a car that travels through three floo rs, a car hoist system that uses a 12volt dc moto r, floor sensors to detect the position of the car, and an elevator call pushbutton. Blusky is only enabling or disabling the ability to access the elevator on a specific floor or floors depending on your access rights. The user wishing to gain access to the elevator system provides a voice signal by simply reciting one or more of the words stored in the memory. Of course, modern passenger and freight elevators are a lot more elaborate than this. Making the hardware model of three floor elevator full description of planning of our project work. Doorkings model 2348010 elevator control system provides complete elevator security and is used to 1 restrict. Elevator control system of a building has been proposed in some literatures 123. Meleye monitoring and control system meleye closely observes the operational status of elevators and escalators that handle continually changing passenger traffic. Mar 08, 2008 this is an plc controlled elevator system that was completely built by dunwoody college of technology electronics students. If you want to start from scratch, first make one onoff button and see its functionality.
It is the one which guides the elevator car to travel between the different floors. There are still plenty of shortcomings in existing construction elevator,such as low automation,high cost and no communication equipment between the driver and users. Th e elevator simulator is prebuilt and equipped with a car that travels through three floo rs, a car hoist system that uses a 12volt dc moto r, floor sensors to detect the position of the car, and an elevator call pushbutton on each floor. Imc intelligent motion control is a fully digital system incorporating both distance and velocity feedback. Elevator control system project american society for. Control system the working principle of plc for elevator control system functions in the similar manner as that the elevator we use in our daily life. It can be observed several local control system lcs, one per elevator. We will compare different elevator control strategies with respect to the av. A wide variety of elevator control plc options are available to you, there are 301 suppliers who sells elevator control. Design of five floors elevator with scada system based on.
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