نشریه مهندسی مخابرات جنوب
پیاپی 21 (پاییز 1395)

AOD technology is very suitable for 2D optical performance. Recent studies have used imaging or holographic growth, called phase-contrast techniques, to create optical trap arrays. In general, for trap arrays, holographic technology may result in unusual transverse laser modes. Be. The Lagour-Gaussian optical beam is one example of an unusual light emission mode that is described in this article.

The purpose of this article is to design and simulate a smart musical fountain. A fountain that has the ability to move in rhythm according to the music being played. The project is designed in such a way that the control part converts the music into voltage and turns it into a PLC device. Give. The PLC device, according to the program that we have stored in its memory, causes the pumps, nozzles, lamps (LEDs), etc. to be disconnected and reconnected, which in turn causes water-rhythmic movements. Observing and controlling the process We use the monitoring unit.

Dc-dc resonator converters have recently received a lot of attention in power supplies. These converters have a great ability to convert energy from one level to another with high performance, which does not have the problems of conventional converters based on the classic PWM method and therefore can be used as smaller and lighter power supplies in aerospace, industrial, and residential applications. Be used. To do this, a suitable control circuit with the ability to keep the desired output voltage constant under different operating conditions is required. For this purpose, small-signal models obtained around the nominal operating point were previously used to keep the output voltage constant in the presence of input perturbations. However, these controllers did not take into account changes in load and orbital elements, so changing them could easily lead to system instability. In this paper, we design a robust controller for this resonant converter using μ synthesis. In addition to ensuring stability for a wide range of load changes, this controller also eliminates input disturbances and adjusts the control input and sitting time well.

The purpose of designing this system is to provide a cheap and convenient solution for monitoring and monitoring the route of vehicles by the operator. This system consists of two parts. The main part is installed on the device and receives location information via GPS equipment and sends it to the receiver via GSM modem. By connecting the receiver to the computer and running google earth software, the movement of the device can be seen In addition, information such as the car is on, relocation, alarm, doors are open or closed, etc. can be received by SMS at the request of the operator. Also, according to the conditions, the necessary commands such as turning off, etc. can be executed by sending an SMS.