Jack Kojiro
Computer & Information Technology, Electrical & Electronics
Studied computer science and electrical engineering with focus on embedded systems and digital technologies.
About Jack Kojiro
Focus
📚 Education Contributions
Lesson 2.2: Bending Stresses in Simple Beams
Master bending stress analysis in engineering beams through real-world applications including electric train pantographs, crane jibs, and 3D printer gantry rails
Published: October 17, 2025
Lesson 2.3: Beam Deflections and Stiffness Analysis
Predicting elastic deformations in CNC spindles under cutting loads for precision control applications
Published: September 21, 2025
Lesson 2.1: Shear Force and Bending Moment in Beams
Master shear force and bending moment analysis for industrial beam structures including robotic arms, conveyor systems, and solar trackers through practical engineering applications
Published: September 21, 2025
Lesson 2.4: Combined Bending and Torsion Loading
Analyzing multi-axis loading in robotic wrist joints experiencing simultaneous bending and twisting forces
Published: September 19, 2025
Lesson 2.5: Composite and Built-up Beam Systems
Analyzing bending stresses in hybrid CNC machine beds with aluminum-steel composite construction
Published: September 18, 2025
Lesson 1.3: Compound Bars in Multi-Material Systems
Analyzing linear actuator rods with steel-aluminum segments to understand load sharing and deformation compatibility
Published: September 18, 2025
Lesson 1.4: Thermal Stresses and Strains
Analyzing thermal stress development in heated piston-cylinder interfaces and extruder head systems
Published: September 18, 2025
Lesson 1.5: Torsion of Circular Shafts
Analyzing torsional stresses and angular deformation in Geneva mechanism crankshafts and rotating mechatronic systems
Published: September 17, 2025
Lesson 2.6: Principal Stresses and Failure Criteria Analysis
Applying Mohr's circle analysis for critical stress evaluation in mechatronic joint design and failure prediction
Published: September 17, 2025
Lesson 1.1: Introduction to Mechanics of Materials in Mechatronics
Understanding stress, strain, and material properties through the analysis of a crank-slider connecting rod system
Published: September 16, 2025
Lesson 1.2: Simple Stress and Strain in Actuator Systems
Analyzing axial stress and strain in CNC actuator shafts, including material selection for precision positioning
Published: September 16, 2025
Chapter 2 Assignments: Structural Analysis in Mechatronic Systems
Comprehensive assignments covering shear force, bending moment, stress analysis, deflections, combined loading, composite beams, and failure analysis in mechatronic applications
Published: September 16, 2025
Lesson 1.6: Thin-Walled Pressure Vessels
Analyzing hoop and longitudinal stresses in pneumatic actuator casings and pressurized mechatronic systems
Published: September 16, 2025
Lesson 2: Planar Transformations and Mathematical Foundations
Building 3D spatial mechanics foundations through 2D planar robot analysis using complex numbers and homogeneous coordinates
Published: September 26, 2025
Lesson 5: Advanced Spatial Mechanisms Analysis
Complex spatial linkage analysis through humanoid robot hand design covering spherical joints, universal joints, and multi-finger coordination
Published: September 15, 2025
Lesson 6: Computer Simulation and System Integration
Real-time spatial mechanics simulation through multi-robot coordination systems covering numerical methods and distributed control integration
Published: September 14, 2025
Lesson 3: 3D Rotation Matrices and Spatial Transformations
Mastering spatial orientation control through 6-DOF robot arm programming using rotation matrices and transformation composition
Published: September 13, 2025
Lesson 1: Kinematic Joints and Degrees of Freedom in 3D Systems
Analyzing joint types and constraint relationships in modular robotic systems through systematic DoF analysis
Published: September 12, 2025
Lesson 4: Elementary Matrix Methods and Link Modeling
Systematic kinematic modeling of parallel mechanisms through Stewart Platform analysis using DH parameters and elementary matrices
Published: September 12, 2025
Linear Algebra in Applied Mathematics
Understanding matrix operations and their applications in solving real-world problems
Published: September 15, 2025
The Art of Simplification: Spherical Cows and Model Building
Understanding the power and limitations of abstraction in engineering and applied science through the lens of the iconic "spherical cow" model.
Published: September 15, 2025
Inverse Kinematics: Math vs AI Approaches
Compare traditional trigonometric solutions with neural network approaches for robotic arm control and motion planning
Published: September 15, 2025
Simple Pendulum Modeling
Build a mathematical model of a simple pendulum and create an interactive simulation to understand oscillatory motion
Published: September 15, 2025
Spring-Mass System Simulation
Model and simulate spring-mass systems to understand vibrations, resonance, and damping in mechanical systems
Published: September 15, 2025
Lesson 4: Acceleration Analysis and Dynamic Forces
Understanding acceleration polygons and inertial forces through Geneva mechanism indexing system design for packaging and assembly automation
Published: September 15, 2025
Lesson 5: Cam-Follower Systems and Motion Programming
Understanding cam design principles and follower motion laws through CNC machine tool cam-driven feed system optimization
Published: September 15, 2025
Lesson 6: Force Analysis and Mechanism Synthesis
Understanding static force analysis and mechanism synthesis through multi-DOF robotic manipulator system design and actuator optimization
Published: September 15, 2025
Lesson 1: Kinematic Joints and Constraint Analysis
Understanding joint types, degrees of freedom, and constraint relationships through modular robotic arm design using Grübler's equation
Published: September 15, 2025
Lesson 2: Position Analysis of Planar Linkages
Understanding vector loop equations and geometric constraints through four-bar linkage suspension system optimization
Published: September 15, 2025
Lesson 3: Velocity Analysis and Instantaneous Centers
Understanding velocity polygons and instantaneous centers through crank-slider engine and compressor mechanism analysis
Published: September 15, 2025
🛠️ Product Development
Getting Started with SiliconWit.IO
A simple introduction to connecting industrial devices with SiliconWitIO
Published: September 15, 2025