Search

The paper presents a system that monitors andcontrols process variables for remote applications.LabVIEW (short for Laboratory Virtual InstrumentationEngineering Workbench) is a visual programminglanguage commonly used for Data Acquisition (DAQ) andcontrol. LabVIEW contains a user interface, known asfront panel objects. By this we can access the acquiredprocess variables over the internet. The accessed processvariables like temperature, pressure, strain or any othercan be suitably conditioned and feedback for control ofthe process via the internet for control. The system wouldfind wide application in processes which are hazardous innature. People can be safeguarded from hazardous effect,in dangerous areas like chlorine industry or at placeswhere person gets affected by dangerous gases. This notepresents one such idea using LabVIEW and Internet.

The main aim of this paper is to develop an efficient and low cost voice guided robot that navigates based on the voice signals given by the human users using LabVIEW 2011 for speech recognition and RF module forwireless transmission. The module is aimed at navigating in environments with noise and other disturbances very effectively. The speech recognition is based on LabVIEW 2011 .NET frameworks and the VI designed is highly flexible and can suit to large variety of applications where in the changes are to be in the microcontroller programming and the hardware requirements which are relevant to the application being designed. The communication to the hardware has been established via RS232 cables using microcontrollers to the transmission kit and the RF signal to communicate with the receiving kit mounted on the mobilerobot. Unlike the costly DAQs these hardware communication are highly cost effective and the systems areflexible and can be altered to any utility. Adequate measures are taken to reduce the problems of external disturbances like noise etc. so that the module will understand the command even in very noisy environments. The purpose of these modules is to reduce the human loss due interventions in hazardous environments such as probation of life under debris, bomb detection in target sites etc.&nbsp

The main aim of this paper is to control the basicparameters of greenhouse using LabVIEW. LabVIEW is anenvironment that consists of several components which arerequired for any type of measurement, test or controlapplication. This involves development of a prototype modelwhich mimics the greenhouse system. This prototype containsbeds of soil which has seeds planted in it. Small pipelines areused for irrigation of the same. As irrigation needs properhumidity and temperature control, sensors are used to controlthese parameters. Also the prototype has a Door monitoringsystem which enables better ambient conditions control. Everyparameter is monitored and controlled using LabVIEWsoftware. Web service is used for the real time applications.This enables the monitoring and control from a remote placealso

A portable functional electrical stimulation system has been designed using embedded systems technology. The system, which was applied to patients suffering from foot drop, uses sensors to monitor foot movement and orientation in a unique way, uses sophisticated algorithms for feedback, and drives an array of surface electrodes for stimulation. A new technique was invented based on using the twitch response of muscles to optimize the configuration of the electrode array. This reduces the setup time in the clinic. The feedback is used from the sensors and the optimum configuration of electrodes is chosen to produce correct stimulation and movement in real time. The instrument presents the patient with a ranked list of electrode combinations that are likely to be optimum, the patient can then choose a combination that is both effective and comfortable. The system can change the pattern of electrodes and also the stimulation signal during theprocess of stimulation. This may enable some problems associated with fatigue and skin irritation to be reduced. Trials were carried on 10 controls and 2 patients to test the instrument and study and develop the system optimization and control algorithms. These preliminary clinical trials showed that control of the stimulation during walking, based on the optimization algorithms developed in this work, gives high quality correction of foot drop. This was shown by gait assessment analysis by the physiotherapists earlier in the project. These trials prove that the concept of using the electrode array for stimulation has advantages over using a conventional 2- electrode system. The system has been designed and developed for the mentioned problem and has been tested for its efficacy.