أحمد خالد

 Graduation project: Engineered a hand-gesture-based vehicle control system.  Mastered C programming, AVR interfacing, and communication protocols [UART, SPI, and I2C].  Gained experience in embedded systems tooling, computer architecture, automotive bus technologies [CAN + LIN], and ROS.  Engineered, from concept to implementation, numerous device drivers and integrated them. Developed multiple applications, using both simulation processes and hardware kits.

 Engineered and executed the following projects, utilizing the following strategies in all of them: Code and interfacing PLCs, WINCC for SCADA Systems, Animation Sequence Representation, Encoder Calibration for Position Detection, and Alarm Systems. The projects were coded in the SCL language. 1. Elevator: MPI for PLC communication, SIEMENS Screen for HMI 2. Sorting Boxes: PROFIBUS for PLC communication, Ethernet for WECON HMI Screen communication 3. Color Mixer: PROFINET for PLC communication, MODBUS for ATV drive communication, and Schneider Screen for HMI  Developed expertise in controlling systems using Siemens PLCs, SCADA, and HMI systems.  Built practical proficiency in hardware components and encoder calibration, using different languages [SCL, Ladder, and STL] and multiple communication protocols [Modbus, Profibus, and Profinet].

 Developed proficiency in MATLAB, Simulink, Embedded Coder, Stateflow, MIL, SIL, and HIL testing.  Graduation project: Battery Management System 1. Developed a full BMS model, including current limits calculations, active cell balancing, and SOC estimation: a. b. c. d. Implemented SOC estimation using Coulomb counting. Developed BMS state-machine control logic. Integrated charger, inverter, and pre-charge interfaces. Implemented current limiting and active cell balancing. 2. Designed and executed SIL testing for BMS subsystems across multiple operating scenarios.  Developed, engineered, and executed the following projects: 1. PID Controller: Designed a PID controller for a second-order system, achieving an overshoot of less than 15%, a 5% steady-state error, and a settling time of less than 3 seconds. 2. Cruise Control System: Modeled the dynamic behavior of a vehicle's speed control system, considering various operating modes, user inputs, and fault detection. 3. DC and Servo Motor Control: Developed a control system through an auto-generated code on Arduino, triggered by a PWM signal input. 4. Throttle Position Sensor: Designed and simulated a TPS model with a fault detection system, testing multiple scenarios using a signal builder. 5. Solar Panel Detector: Designed and simulated a solar panel tracking system, utilizing 4 Light Dependent Resistor (LDR) sensors and a servo motor to optimize the solar panel's orientation for maximum sunlight exposure. 6. Wiper Control System: Simulated a wiper control system, exhibiting both manual and automated capabilities, and evaluating PWM signal transitions for smoothness. 7. Passive and Active Cell Balancing: Designed a battery controller through both passive and active cell