Faculty of Sciences and Engineering Laboratories

Laboratories of the Faculty of Engineering

The laboratories of the Faculty of Engineering at Neyshabur University operate under the supervision of the university’s Central Laboratory and support both educational and research activities. These laboratories include the following:

Educational Laboratories of the Faculty of Engineering

Analog and Digital Laboratories

1. PLC Laboratory
2. Pulse and Digital Circuits Laboratory
3. Telecommunication Circuits Laboratory
4. Digital Signal Processing Laboratory
5. Digital Communications Laboratory
6. Linear Control Laboratory
7. Digital Systems II Laboratory

General Laboratories and Workshops

1. General Workshop
2. Circuits and Measurements Laboratory
3. Electronics I, II, and III Laboratory

Power Engineering Laboratories

1. Electrical Machines Laboratory
2. Industrial Electronics Laboratory
3. Building Electrical Systems Laboratory
4. Instrumentation Laboratory
5. Digital Control Laboratory
6. Industrial Control Laboratory
7. Power Systems Analysis Laboratory
8. Digital Systems I Laboratory

Research Laboratories of the Faculty of Engineering

1. Neural Engineering Laboratory
2. Bio-Microfluidics Laboratory
3. Intelligent Systems and Robotics Laboratory
4. Semiconductor Laboratory
5. Mechanical Parts Design and Reverse Engineering Laboratory
6. Image Processing and Machine Learning Laboratory

Educational Laboratories

PLC Laboratory

The PLC Laboratory at Neyshabur University was equipped in Ordibehesht 1394 (April–May 2015). The PLC workshop is offered to students as part of the Electrical Engineering curriculum under the Electrical Workshop course.

Training equipment and facilities:

• Equipped with various Siemens PLCs and LOGO! programmable controllers
• Equipped with instrumentation equipment, including resistance rulers, temperature sensors, pneumatic cylinders, and other devices
• Computer connectivity for receiving and running programs developed by students to control PLCs
• PLC programming and control using BASCOM and other programming environments

Pulse and Digital Circuits, Telecommunication Circuits, Digital Signal Processing, and Digital Communications Laboratories

The training equipment available in these laboratories is used to teach telecommunications concepts at both the system and field levels.

• System level: Digital Communications, Analog Communications, and FM/AM Communications
• Field level: Microwave and antenna training equipment for introducing students to signal transmission concepts

The laboratory covers various modulation techniques, including:

• Implementation of analog modulation techniques such as DSB-SC, SSB, AM, and FM using application-specific integrated circuits at the telecommunication-circuit level
• Implementation of basic digital modulation techniques such as PWM, CVSD, ASK, FSK, PSK, and QPSK using digital integrated circuits

Linear Control Laboratory

This laboratory has been established and equipped to teach the concepts of linear systems and their control, analog and digital control systems, and industrial control systems. The linear systems studied in the laboratory are implemented using analog circuits based on operational amplifiers.

Training equipment and facilities:

• Various first-, second-, and third-order systems with different zero and pole configurations
• Real-world processes such as position control, servo motor control, tank-level control, and tank-pressure control
• Closed-loop control systems incorporating proportional, integral, derivative, lead, lag, and feedback structures

Digital Systems II Laboratory

This laboratory has been designed and equipped to teach concepts related to analog and digital electronics.

Training equipment and facilities:

• Various ARM, FPGA, AVR, and DSP microcontrollers and processors
• A wide range of peripheral and commonly used components, including dot-matrix displays, square-wave generators, seven-segment displays, and other devices
• Equipment including LCD and LED displays, seven-segment displays, sensors, switches, PIC and AVR programmers, FPGA and ARM development boards, breadboards, and power supplies

General Workshop

The General Workshop of the Department of Electrical Engineering was equipped in 1393 (2014–2015). Inspired by the teaching methods of the late Dr. Pourfakhraei, a faculty member at the University of Tehran, students are taught how to build line-following robots from start to finish.

At the end of the semester, students compete by placing their robots on a designated track. The outcome of this competition constitutes their final course grade.

Workshop equipment includes:

• Various motion, thermal, optical, acoustic, weight, and other sensors
• Mechanical equipment such as drills, bench grinders, vises, riveters, spot welders, angle grinders, and various cutting tools
• Electronic workbenches equipped with complete sets of DC and AC power supplies, oscilloscopes, and multimeters

Circuits and Measurements Laboratory

This laboratory has been equipped to help students gain practical mastery of the circuits covered in Circuits I and II. Topics studied include Kirchhoff’s laws, first- and second-order circuits, various types of filters, and the frequency response of networks.

Laboratory equipment includes:

• Training units equipped with AC and DC power supplies, oscilloscopes, function generators, and multimeters
• A complete range of electrical components, including resistors, capacitors, and inductors
• Various sensors for implementing measurement circuits and introducing students to instrumentation

Electronics I, II, and III Laboratory

This laboratory has been established and equipped to provide students with a deeper understanding of topics including diode circuits and clippers, transistor circuits, and various amplifier classes, including differential and multistage amplifiers.

Laboratory equipment includes:

• Electronic training units equipped with DC and AC power supplies, oscilloscopes, function generators, and multimeters
• Various types of electronic and power transistors
• Various types of diodes, including silicon (Si), germanium (Ge), and Zener (Zn) diodes
• Facilities for designing and printing PCB circuits using chemical etching and printing techniques

Electrical Machines Laboratory

This laboratory is equipped with training units for the practical instruction of fundamental concepts related to electrical machines and transformers. The electrical-machine training units can also be connected to computers and controlled using dedicated software.

Electrical Machines Laboratory equipment includes:

• DC machines with separately excited, shunt, series, and compound configurations
• Induction machines with squirrel-cage and wound rotors
• Three-phase salient-pole synchronous machines with DC excitation
• Single-phase and three-phase transformers
• Power supplies, electrical loads, conventional and computer-based measuring instruments

Industrial Electronics Laboratory

This laboratory is equipped with several training sets designed and constructed for the practical teaching of industrial electronics. The modules provide practical instruction in the generation of control pulses, semiconductor-switch driving, power circuits, passive converter components, and measurement equipment.

The laboratory also enables students to study various AC-to-DC, DC-to-AC, and other switching conversion modes.

Resistive, inductive, and capacitive loads, lamps, universal motors, and three-phase induction motors are used to test the performance of power converters.

The power converters available include:

• Diode and thyristor rectifiers
• AC choppers and dimmers
• High-frequency DC-to-DC converters
• Single-phase and three-phase inverters
• V/F control of three-phase induction motors

Building Electrical Systems Laboratory

Using the training equipment in this laboratory, students initially learn about the principles and standards of electrical wiring in buildings and implement their designs using layouts developed in AutoCAD.

The other side of the training unit enables students to become familiar with various power and control circuits used for starting and controlling power circuits and three-phase systems.

Training equipment includes:

• Junction boxes and branch connections
• Various types of switches, including single-pole, double-pole, and two-way switches
• Video intercom systems
• Staircase dimmers
• Photocells for automatic lighting control and related applications

Instrumentation Laboratory

The Instrumentation Laboratory of the Department of Electrical Engineering was equipped in 1394 (2015–2016). The laboratory provides practical training in various sensors and actuators used in industrial control systems.

Modern sensors and actuators commonly used in industry are taught both individually and as components of PLC-based closed-loop control systems. Students also receive practical instruction in newer sensors and actuators used in portable control systems, including medical instrumentation systems based on microcontrollers and Arduino modules.

In addition, monitoring modules, wired and wireless data transmission systems, and communication protocols used in instrumentation are taught through practical exercises.

Digital Control Laboratory

The Digital Control Laboratory of the Department of Electrical Engineering was equipped in 1394 (2015–2016). Students gain practical experience in the design and implementation of digital controllers.

Since the ability to design and build digital controllers is an essential skill for control engineers working on knowledge-based products in automation and control, students receive comprehensive training in developing a digital control system from the ground up.

As part of this comprehensive training, students undertake a practical project involving the construction of a three-degree-of-freedom robotic arm capable of closed-loop control of the position and speed of its end effector.

In addition to the multi-stage design of the digital controller, including work with sensors and actuators, the project introduces students to the dynamics of a real nonlinear plant.

Industrial Control Laboratory

The Industrial Control Laboratory of the Department of Electrical Engineering was equipped in 1394 (2015–2016). Students receive practical training in PLC-based industrial control systems, including Siemens LOGO!, S7-200, S7-300, and S7-1200 PLCs.

In addition, peripheral modules such as servo motors and servo controllers, induction motors and drives, monitoring and HMI systems, and data-exchange modules are integrated with PLC systems for practical instruction.

Since this laboratory operates alongside the Instrumentation Laboratory, students can also work practically with various sensors and actuators while designing industrial control systems.

The laboratory also includes three real industrial plants for level, flow, and temperature control.

Power Systems Analysis Laboratory

This laboratory and its training equipment are designed for the Power Systems Analysis course. In addition to simulating generation and transmission networks, the equipment enables students to study power systems in a practical and applied manner, including the modeling of short, medium, and long transmission lines.

The laboratory also allows students to study the effects of loading on power networks, including the behavior of three-phase motors. Furthermore, students can perform power-flow analysis on generation and transmission networks using the available equipment.

Digital Systems I Laboratory

Digital Systems I is one of the core courses in Electrical Engineering. Depending on the laboratory application, the course can involve software-based simulation, hardware-description languages such as Verilog, implementation using digital ICs on laboratory boards, and implementation on breadboards.

In this laboratory, students implement simple and complex logic circuits using 74-series digital ICs and other practical sensors on laboratory boards. A number of experiments are also implemented on breadboards, enabling students to gain hands-on experience in the implementation of digital circuits.

Research Laboratories

Multiscale Robotics Laboratory

The Multiscale Robotics Laboratory was equipped and launched in Mehr 1393 (September–October 2014) with the admission of the first cohort of Electrical Engineering students. It was the first research laboratory established for faculty members and students of the Department of Electrical Engineering.

Through the dedication and perseverance of faculty members and students, the department participated in the provincial Research Week exhibition in Mashhad during its first semester of student admission, presenting a variety of robotic projects, including a smart cane for visually impaired people, a people counter, and a line-following robot, among others.

The research project “Barbat”, developed through the efforts of faculty members of the Department of Electrical Engineering, was also unveiled at this exhibition.

The laboratory is currently equipped with various types of sensors and electronic workbenches and provides a suitable environment for research projects conducted by faculty members and students of the Department of Electrical Engineering.

Neural Engineering Laboratory

The Biomedical Engineering Laboratory at Neyshabur University is supervised by Dr. Mahdieh Ghasemi, Assistant Professor in the Department of Electrical Engineering. The laboratory has been established and equipped with the aim of applying electrical and computer engineering approaches to address a range of engineering problems in the areas of medical signal acquisition, design and development, signal processing, and related fields.

Major research areas currently being pursued in the laboratory include:

• Recording electrical signals from the brain
• Biomedical signal processing, including EEG, ECG, and EMG
• Magnetic resonance imaging signal processing
• Resting-state fMRI signal analysis

One of the laboratory’s most important pieces of equipment is an electroencephalography (EEG) system.

It should also be noted that the Bio-Microfluidics, Semiconductor, Mechanical Parts Design and Reverse Engineering, and Image Processing and Machine Learning research laboratories are currently located in the same facility and are in the process of being equipped.

Intelligent Systems and Robotics Laboratory

The Multiscale Robotics Laboratory was equipped and launched in Mehr 1393 (September–October 2014) under the direction of Dr. Rouhani-Manesh, Head of the Department of Electrical Engineering at Neyshabur University, following the admission of the first cohort of Electrical Engineering students.

The laboratory was the first research laboratory established for faculty members and students of the Department of Electrical Engineering. Through the serious efforts and perseverance of faculty members and students, the department participated in the provincial Research Week exhibition held in Mashhad during its first semester of student admission, presenting various robotic projects, including a smart cane for visually impaired people, a people counter, a line-following robot, and other projects.

The research project “Barbat”, developed through the efforts of faculty members of the Department of Electrical Engineering, was also unveiled at the exhibition. Dr. Rouhani-Manesh served as the project director, with Dr. Mahdieh Ghasemi and Ms. Samaneh Sharif as project collaborators.

The laboratory is currently equipped with various sensors and electronic workbenches and provides a suitable environment for conducting research projects by faculty members and students of the Department of Electrical Engineering.