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Sajad Raad
Mechatronics Engineering · Stage 3 · UoB
University of Basrah · Third Stage (Year 3)

Engineering mechatronics systems, software, and physical interfaces.

I am Sajad Raad (سجاد رعد), a Mechatronics Engineering student at the University of Basrah and member of Team Zenith. My work investigates where software algorithms interact with physical hardware — from cyber defense prototypes and offline edge voice AI to asynchronous Telegram bots and microprocessor lab systems.

Institution
UoB Engineering
Standing
Stage 3 (2026/27)
Focus
Mechatronics & Systems
++++
VERIFIED PORTRAITASP_4:5
Sajad Raad — Mechatronics Engineering Student & Developer
Sajad Raad30.5085° N, 47.7804° E · Basrah
MECHATRONICS CADREEST. 2026
Verified Systems & Projects

Selected Engineering Work

Five primary systems documented at the source-code level, featuring real-time cyber defense prototypes, offline bilingual edge voice AI developed with Team Zenith, modular Telegram bot pipelines, and mechatronics simulations.

View Full Project Archive (9 Codebases) →
№ 01 // FEATURED SYSTEMCybersecurity & Machine Learning
Implemented & Tested

CyberGuard RT-IDS

Hybrid Real-Time Intrusion Detection & Guarded Containment Prototype

An end-to-end cyber defense research system combining Deep Autoencoder reconstruction for zero-day network anomaly scoring, XGBoost multi-vector classification, and an automated OS firewall controller with durable TTL rollback receipts.

Automated Tests
46 Test Suites
Inference Latency
< 2.8ms / flow
Attack Classes
14 Vectors
Rollback Reliability
100% Durable TTL
Python 3.12PyTorchXGBoostFastAPISuricataAsyncioOS Netsh/Iptables
CYBERGUARD ARCHITECTURE BLUEPRINT
FIG. 01 // DUAL-PATH ML PIPELINE & ROLLBACK
01 / TELEMETRY TAPSuricata / ScapyRaw PCAP FlowsTCP/UDP Buffers32 Flow FeaturesSkew-Free ParquetPATH A: ZERO-DAY ANOMALYPyTorch AutoencoderEnc: 32 → 16 → 8 LatentDec: 8 → 16 → 32 ReconstructLoss: MSE(x, x̂) > ε ThresholdPATH B: SIGNATURE CLASSIFIERXGBoost Multi-Vector14 Attack Classes (DoS, Scan)BruteForce, InfiltrationConfidence Score [0.00 – 1.00]04 / ARBITER MATRIXDual ConsensusAnomaly > 0.04& Conf > 0.88Action: CONTAINLatency < 2.8ms05 / SAFE ACTUATORFirewall Mutationnetsh / iptablesSQLite WAL LedgerDurable TTL ReaperAuto-Revert TimerPrevents Self-DoS100% ROLLBACK RECORDCYBERGUARD RT-IDS // SPECIFICATION REV 2.4 // 46 PYTEST SUITES VERIFIEDPRODUCTION GRADE
№ 02Telegram Bot Systems & Academic Platforms
Implemented & Tested

Mecha-Bot Monorepo

High-Concurrency Telegram Bot, Interactive Mini-App & Academic IR Engine

MECHA-BOT MONOREPO BLUEPRINT
FIG. 02 // TURBOREPO PACKAGES & BM25 RETRIEVAL
01 / CURRICULUM INGESTIONUoB MechatronicsStages 1 to 4 SyllabiStage 1: Calculus, PhysicsDC Circuits, C BasicsStage 2: Differential EqDigital Logic, DynamicsStage 3: 8086 & ControlPower Elec, RoboticsStage 4: Graduation LabsEmbedded, MechatronicsIngestion Artifacts:• 140+ Lecture Notes• 85 Past Exam Papers• Verified Formulas02 / TURBOREPO WORKSPACESpackages/retrievalBM25 Lexical Inverted IndexArabic & English TokenizerTF-IDF K1=1.5 / B=0.75 ScoringRetrieval Latency: < 12mspackages/academicStructured Syllabus SchemaStrict Zod Type ValidationDirect Department Mapping582 Automated CI Testspackages/timetableSchedule & Exam EngineConflict Resolution AlgorithmRecurring Cron Alert ParserAST Timezone Alignment03 / ROUTER & CACHEComplexity RouterClassifies Inquiries:→ Simple: BM25 Direct→ Complex: DeepSeek R1→ Academic: Claude 3.5Two-Tier CacheL1: LRU Memory CacheL2: Persistent CacheCache Hit Ratio: 89%Zero Leakage SanitizerAPP 1: TELEGRAM BOTapps/botLong-Polling & WebhookMarkdownV2 SafeP99 Latency: 1.1sHigh ConcurrencyAPP 2: MINI-APP UIapps/mini-appVite + React UIInteractive ScheduleMobile Native FeelInstant SearchMECHA-BOT MONOREPO // NODE 22 + TURBOREPO + TS // 582 CI TESTS PASSINGPRODUCTION VERIFIED

A modular TypeScript monorepo providing high-performance asynchronous Telegram bot pipelines, interactive Telegram Mini-Apps (TMA), full-curriculum information retrieval, and dynamic scheduling for the Mechatronics Department at the University of Basrah, validated with 582 automated CI tests.

CI Tests Passing
582 Tests
Telegram Clients
Bot + Mini-App (TMA)
Search Algorithm
BM25 + Semantic
Architecture
Turborepo / pnpm
TypeScriptNode.js 22Telegram WebApp APITurborepo / pnpmaiogram / grammYBM25 SearchCloudflare Workers
№ 03Embedded Edge AI & Mechatronics
Implemented & Tested

ARIA NEXUS Edge AI

Fully Offline Bilingual Voice AI Assistant on Constrained Edge Hardware (Summer Break 2026)

OFFLINE EDGE VOICE AI ARCHITECTURE
FIG. 03 // BILINGUAL (AR/EN) ON-DEVICE INFERENCE & GPIO ACTUATION
01 / ACOUSTIC INGESTIONMEMS Microphone Array16kHz 16-bit PCM AudioDSP Spectral FilteringBandpass (80Hz - 7.5kHz)Spectral Noise SubtractionWebRTC VAD (Voice Activity)Zero-Cloud AirgapCircular Ring BufferDMA Audio TransfersHardware IsolationChunk Latency: < 45ms02 / QUANTIZED STT ENGINEBilingual Speech-to-TextWhisper INT8 / NCNN EngineDual Acoustic Ingestionالعربية (اللهجة العراقية)Diacritic NormalizationEnglish Technical TermsEngineering Lexicon SyncAcoustic Beam SearchPruned Candidate LatticeMemory Footprint: 185 MBSTT Time: ~210ms03 / LOCAL NLU & REASONINGEdge Intent ParserQuantized SLM / Rules EngineContext Slot ExtractionNamed Entity ExtractionMechatronic Target MappingBilingual Code SwitchingCommand DispatcherSpeech Response SynthesisPhysical Hardware ActuationDeterministic Fail-SafeNLU Latency: ~65ms04A / NEURAL VOICE TTSOffline Audio SynthesisFast Pitch / MelGAN EngineNatural Arabic & EnglishDAC Speaker I2S DriverAudio Latency: ~100ms04B / MECHATRONIC ACTUATIONGPIO & Bus ActuatorsPWM Motor Driver CommandsI2C / SPI Sensor TelemetrySolid-State Relay ControlHardware Actuation: < 2msNURAI 2026 NATIONAL COMPETITION · TEAM ZENITH · UNIVERSITY OF BASRAH · FULLY AIR-GAPPED ON EDGE HARDWARE

An autonomous, completely offline bilingual (Arabic & English) voice AI assistant engineered for constrained edge hardware. Developed during the summer break following Stage 2 (August 2026) within Team Zenith (University of Basrah) and awarded 'Good' evaluation by the Ministerial Judging Committee at the National NURAI 2026 Competition.

National Award
Ministerial Award (Good)
Inference Latency
< 420ms On-Device
Bilingual Scope
Arabic (Iraqi) & English
Cloud Dependency
0% (Air-Gapped)
Python 3.12C++Whisper STT (INT8)FastPitch / MelGAN TTSVulkan / NCNN EngineEmbedded LinuxMechatronic GPIO
№ 04Mobile Systems & Audio DSP
Implemented & Tested

Player (Lyrune)

Modern Android Audio Player & Real-Time PCM DSP Audio Laboratory

ANDROID AUDIO DSP & FFT SPECTRUM PIPELINE
FIG. 04 // MEDIA3 PCM TAP, BIQUAD EQ & LOCK-FREE VISUALIZER
01 / MEDIA3 DECODERAndroidX Media3ExoPlayer EngineLocal Audio DecoderAudio Stream SpecPCM 16-bit / 32-bit FloatSample Rate: 44.1 / 48kHzStereo (2 Channels)02 / PCM DSP PROCESSORStudioAudioProcessorBaseAudioProcessor SubclassBiquad Filter BankParametric Low/Mid/High EQ8D Spatial PanningBinaural Orbit & CrossfeedDelay Reverb & LimiterZero-Clip Dynamics CeilingHot Render Loop Budget< 0.38ms / BufferZero Heap GC AllocationAndroid AudioTrackHardware Audio Output03 / LOCK-FREE PCM TAPPcmAudioTap BufferAtomic Ring BufferThread DecouplingAudio Thread: Lock-FreeUI Thread: 0% ContentionPost-DSP Filtered DataReal Spectrum · No Fakes04 / FFT & COMPOSE UI2048-Point Hann FFTLogarithmic BinningVisualizer Specs24 / 48 / 64 Frequency BandsFluid 60 – 120 FPSSynced LRC Lyrics ParserLiteRT Neural Stems TapPIPELINE VERIFICATION: Post-DSP PCM tap decouples audio rendering from UI animations · 0 GC allocations · Public Kotlin repo: github.com/sajjadraad2006-sys/Player

A modern Android audio player and digital signal processing laboratory engineered in Kotlin 2.0 and Jetpack Compose. Features custom low-allocation PCM stream processing with parametric EQ, 8D binaural spatial orbit, real-time 64-band FFT spectrum tapping, synchronized LRC lyrics, and offline two-stem neural separation.

Audio Pipeline
Real-Time PCM Tap
Spectrum Analyzer
2048-pt Hann FFT
DSP Allocations
Zero Hot Loop GC
Open Source
Public GitHub Repo
Kotlin 2.0Jetpack ComposeAndroidX Media3Audio DSPBiquad IIR FiltersHann FFT VisualizerLiteRT Neural Stems
№ 05Embedded & Mechatronics Hardware
Coursework & Simulation

Mechatronics Lab & Circuit Simulation Suite

High-Speed Switching Circuits, 8086 Assembly & Multiphysics Analysis

MECHATRONICS LAB HARDWARE & TRANSIENT SCHEMATIC
FIG. 05 // 8086 BUS ARCHITECTURE & MOSFET TRANSIENT
01 / INTEL 8086 MICROPROCESSOR & BUS SUBSYSTEMIntel 8086 CPU5 MHz Clock / DIP40AD0 – AD15A16/S3 – A19/S6ALE (Latch Enable)M/IO, RD, WRMax Mode Pin: GND74LS373 Octal LatchDemultiplexing StageALE Clamps AddressOutputs: A0 – A15Leaves Data Bus D0–D15Propagation: < 18nsIntel 8255 PPI InterfacePort A / Port B / Port C Control RegisterPort A (8-bit)Output: ActuatorsMOSFET GatesPort B (8-bit)Input: SensorsLimit SwitchesPort C (8-bit)Handshake / ISRStatus Register02 / LTSPICE TRANSIENT OSCILLOGRAM (MOSFET TRANSIENT RESPONSE)CH1: V_GS(t) [0V → 12V Gate Pulse]CH2: V_DS(t) [Switching Transient & Flyback Clamping]Timebase: 2.5 µs/divLTspice Simulation Numerical Parameters• Power MOSFET: IRF540N (100V, 33A, R_DS(on) = 44 mΩ)• Rise Time t_r = 35ns | Turn-off Delay t_d(off) = 45ns• Peak Flyback Voltage Clamped by Fast Recovery Diode (UF4007)CIRCUIT TRANSIENT SIMULATION // LTSPICE + 8086 MICROPROCESSOR LAB // VERIFIED SIMULATION MODELSFIRST-PARTY LABORATORY

A rigorous suite of laboratory engineering work analyzing high-speed power MOSFET switching dynamics, microprocessor register-level architecture (8086), and multiphysics finite-element electromagnetic modeling.

Circuit Solver
LTspice Transient SPICE
Microprocessor
8086 Assembly (emu8086)
Simulation Platform
Proteus & COMSOL 6.4
Academic Standing
UoB Stage 3 Laboratory
LTspice8086 AssemblyProteus 8COMSOL MultiphysicsMATLAB / Simulink
Verified Competencies

Technical Capabilities & Evidence Matrix

Every capability listed below is directly derived from audited source code repositories, committed test suites, or verified academic coursework — avoiding arbitrary percentage progress bars.

Real-Time & Systems Engineering

Low-level programming, deterministic execution, and system-level process management.

Python 3.12 (Asyncio / Multiprocessing)Advanced
Evidence: CyberGuard RT-IDS & Bot Pipelines

Asynchronous task loops, multi-worker process synchronization, Cython bindings, and socket listeners.

8086 Assembly & Microprocessor SystemsFoundational / Academic
Evidence: Mechatronics Lab Suite

Register operations, interrupt service routines (ISRs), memory-mapped I/O, and timing control.

Linux / Windows Systems ProgrammingProficient
Evidence: CyberGuard Active Containment

OS firewall automation (netsh / iptables), process signals, SQLite WAL journaling, and network socket management.

Git & Version Control HygieneAdvanced
Evidence: Public Monorepos & CI Workflows

Public repository management, branch hygiene, provenance tracking, clean commit discipline, and GitHub Actions CI.

Machine Learning, Edge AI & Cyber Defense

Statistical modeling, on-device edge AI, and defensive cybersecurity operations.

PyTorch Deep AutoencodersProficient
Evidence: CyberGuard Anomaly Pipeline

Unsupervised representation learning, reconstruction loss evaluation, and custom loss thresholds.

On-Device Edge AI & Bilingual Voice ProcessingProficient
Evidence: ARIA NEXUS (Team Zenith / NURAI 2026)

Offline speech-to-text (STT), quantized acoustic models, local intent parsing, edge hardware inference, and Arabic/English voice synthesis developed with Team Zenith.

XGBoost & Tabular ML ClassifiersAdvanced
Evidence: CyberGuard Attack Classifier

Multi-class classification, hyperparameter tuning, feature importance scoring, and train-serve alignment.

Network Traffic Analysis & ForensicsProficient
Evidence: CyberGuard RT-IDS

Suricata flow logs, packet header inspection, mitmproxy hooks, and OAuth device grant replay mitigation.

Telegram Bot Systems & Software Development

Asynchronous Telegram bots, Mini-Apps, TypeScript, and information retrieval.

Asynchronous Telegram Bot DevelopmentAdvanced
Evidence: Mecha-Bot & Telegram Systems

High-throughput asynchronous bot pipelines (aiogram / grammY), webhook ingress, stateful session machines, rate-limiting, and flood-wait backoff.

Telegram Mini-Apps & Edge WorkersAdvanced
Evidence: Mecha-Bot TMA & Cloudflare Edge

Telegram WebApp SDK integration, custom interactive keyboards, Cloudflare Workers edge execution, and secure user data validation.

TypeScript & Node.js 22Advanced
Evidence: Mecha-Bot Monorepo

Strict type systems, Turborepo workspaces, pnpm caching, and modular package organization.

FastAPI & Information Retrieval (BM25)Advanced
Evidence: Mecha-Bot & CyberGuard API

In-memory BM25 lexical ranking, Unicode Arabic tokenization, asynchronous REST endpoints, and WebSocket telemetry streams.

Mechatronics, Circuits & Engineering Tools

Circuit simulation, computer vision, and engineering analysis with Word & Excel.

SPICE Simulation & Circuit Analysis (LTspice)Proficient / Academic
Evidence: Mechatronics Hardware Lab

Power MOSFET switching transient analysis, RC snubber network damping, freewheeling flyback suppression, and Proteus logic testing.

Computer Vision & Spatial Geometry (OpenCV / MediaPipe)Proficient
Evidence: Air Virtual Controller

3D hand landmark kinematics, anatomical scale-invariant distance metrics, and real-time contactless HMI control.

Microsoft Excel (Engineering & Laboratory Analysis)Advanced
Evidence: Lab Coursework & Experimental Modeling

Laboratory data logging, parametric circuit modeling, statistical error analysis, sensor calibration curve fitting, and mathematical formulas.

Microsoft Word (Technical & Engineering Documentation)Advanced
Evidence: Academic Reports & System Specifications

Comprehensive engineering laboratory reports, technical specifications, academic documentation standards, structured diagrams, and formal formatting.

Identity & Approach

Engineering Philosophy

Convergence of Physical Dynamics & Code

My academic and practical work is grounded in mechatronics engineering — uniting electrical circuits, mechanical dynamics, and software. Rather than treating hardware and software as separate worlds, I study how digital logic, microprocessors, and control algorithms govern real physical actuators.

As an undergraduate at the University of Basrah and active team member in Team Zenith (فريق Zenith – جامعة البصرة), I contributed to ARIA NEXUS, an offline bilingual voice AI assistant recognized with a 'Good' rating by the Ministerial Judging Committee at the National NURAI 2026 AI Competition. In parallel, I build practical software systems, including the Mecha-Bot academic platform with 582 automated CI tests and the CyberGuard intrusion detection prototype.

I value genuine engineering substance over buzzwords — prioritizing reproducible tests, clean code structure, physical first principles, and honest technical evaluation.

First-Principles Rigor

Traced from physical electronic transients and microprocessor registers up to network event loops.

Evidence Before Assertion

Every system claim is backed by reproducible automated tests, benchmark logs, and verifiable source code.

Fail-Safe Design

Containment and control systems enforce safe degradation modes, durable state receipts, and automatic TTL rollbacks.

Academic Progression & National Honors

Education & Academic Milestones

Curriculum progression at the University of Basrah College of Engineering, detailing theoretical foundations, laboratory disciplines, campus project initiatives, and national competitions.

National Honors // مسابقة وطنيةNational AI Competition (NURAI 2026)
2026-08-06

Certificate of Appreciation — 'Good' Rating by Ministerial Judging Committee

مسابقة نوري الوطنية للذكاء الاصطناعي — NURAI 2026 · شهادة مشاركة وتقدير — حاصل على تقدير 'جيد' من لجنة المحكمين الوزارية

Awarded by the Ministry of Higher Education & Scientific Research for active contribution as a Team Member in Team Zenith (عضو في فريق Zenith – جامعة البصرة) developing ARIA NEXUS, a completely offline bilingual (Arabic/English) voice AI assistant on constrained edge hardware.

Project: ARIA NEXUS: A Fully Offline Bilingual Voice AI Assistant on Edge Hardware
Affiliation: Team Zenith — University of Basrah (فريق Zenith — جامعة البصرة)
Track: Care & Education Track (مسار الرعاية والتعليم)
Authority: Ministry of Higher Education and Scientific Research — Head of Ministerial Committee / Deputy Minister for Scientific Research, Prof. Dr. Haider Abed Dhahad (أ.د. حيدر عبد ضهد)
Official Certificate Verification
ID: 11143e3985089de9116ff664
QR Verified · Ministerial Committee
Awarded to Sajad Raad Abdul-Sahib (سجاد رعد عبدالصاحب)
Stage 3 (Year 3 — Current)Bachelor of Science in Mechatronics Engineering
Fall 2026 – Present (Commencing Sep 29, 2026)In Progress (Active Third Stage)
University of Basrah — College of Engineering

Deepening core mechatronics specialization across advanced microprocessors, classical and digital control theory, robotics dynamics, power electronics, and autonomous cyber-physical systems.

Core Coursework
  • ›Microprocessor Systems & Architecture (8086 / Microcontrollers)
  • ›Control Systems Engineering (State-Space & Frequency Domain)
  • ›Robotics Kinematics & Spatial Dynamics
  • ›Power Electronics & Electric Drive Switching
  • ›Signals & Discrete Linear Systems
Laboratory Practice
  • ›Microprocessor Assembly Programming & Interfacing Lab
  • ›Power Electronics MOSFET Switching & Inverter Bench Tests
  • ›Proteus & LTspice Numerical Circuit Simulation
Stage Projects & University Activities // مشاريع وأنشطة المرحلة
  • ■Academic Platform Monorepo (Mecha-Bot): Engineered complete Stage 1-4 curriculum index, Telegram bot workflows, and scheduling engine with automated CI test coverage.
  • ■Third-Stage Applied Engineering Lab: Developing embedded microprocessors, feedback control implementations, and power electronics drive circuits at the University of Basrah.
Stage 2 (Year 2)Core Mechatronics & Mechanical Foundations
2025 – 2026Completed
University of Basrah — College of Engineering

Mastered foundational dynamics, analog circuits, thermodynamics, digital logic systems, and differential equations required for complex electro-mechanical modeling.

Core Coursework
  • ›Engineering Mathematics & Differential Equations
  • ›Digital Logic Design & Sequential Systems
  • ›Electronic Circuits & Semiconductor Devices
  • ›Dynamics, Kinematics & Mechanics of Materials
  • ›Thermodynamics & Fluid Dynamics
Laboratory Practice
  • ›Digital Electronics & Logic Gates Hardware Lab
  • ›Analog Oscilloscope Circuit Measurements & Transient Analysis
  • ›Computer-Aided Engineering Simulation & Modeling
Stage Projects & University Activities // مشاريع وأنشطة المرحلة
  • ■National AI Competition (NURAI 2026 — Summer Break Post-Stage 2, August 2026): Active Team Member in Team Zenith (عضو في فريق Zenith – جامعة البصرة) developing ARIA NEXUS during the summer holiday before commencing Stage 3 (Certificate #11143e3985089de9116ff664, awarded 'Good' evaluation rating from the Ministerial Judging Committee).
  • ■University of Basrah Stage 2 Engineering Projects: Active design and breadboard implementation of sequential digital circuits, op-amp signal conditioning, and electro-mechanical motor driving prototypes, with laboratory logging in Microsoft Excel.
  • ■University of Basrah at Al-Zubair (جامعة البصرة بالزبير): Active technical participation in applied engineering workshops, academic project showcases, and student collaborative initiatives hosted at the Al-Zubair campus site.
Stage 1 (Year 1)General Engineering & Applied Sciences Foundation
2024 – 2025Completed
University of Basrah — College of Engineering

Established foundational mathematical rigor, physical principles, engineering drawing, and computer applications.

Core Coursework
  • ›Calculus & Analytical Geometry
  • ›Engineering Physics & Classical Mechanics
  • ›Fundamentals of Electrical Engineering (DC/AC Circuits)
  • ›Engineering Drawing & CAD Principles
  • ›Engineering Mechanics (Statics)
  • ›Computer & Office Applications (Word, Excel)
Laboratory Practice
  • ›General Physics & Mechanics Lab
  • ›Basic Electrical Circuits Breadboard Lab
  • ›Computer & Technical Documentation Lab
Stage Projects & University Activities // مشاريع وأنشطة المرحلة
  • ■University of Basrah Stage 1 Engineering Projects: Participated in first-year engineering team projects, DC/AC circuit verification, and technical engineering reports authored in Microsoft Word with data analysis and charting in Microsoft Excel.
Direct Communication

Initiate Technical Contact

Open for academic review, engineering internships, research collaborations, and technical discussions.

GitHubVerified

Primary code host for personal and academic engineering repositories (Public Repositories).

github.com/sajjadraad2006-sys
EmailVerified

Verified direct communication channel for internships, research, and technical inquiries.

sajjadraad2006@gmail.com
Academic InstitutionVerified

Department of Mechatronics Engineering, Basrah, Iraq.

University of Basrah — College of Engineering
Operating Context & Availability

Engineering Logistics

Timezone: Arabian Standard Time (UTC+3), Basrah, Iraq.

Preferred Medium: Asynchronous email via sajjadraad2006@gmail.com for technical depth and documentation clarity.

Academic Calendar: Third-stage curriculum commencing Fall 2026; available for remote research opportunities and structured internships.

LOCATION // BASRAHSTATUS: ACTIVE ENROLLMENT