Didactic and Methodological Aspects of Technical Higher Education Study of a Compressor Refrigeration Circuit Examination of Aging of AlSi1MgMn Type Aluminium Alloy Algebraically Equivalent Transformation Technique for Weighted Linear Complementarity Problems Implementation in Java of Algorithms for Semidefinite Optimization Studying the Communication Possibilities Between a Collaborative Robot and an Industrial Computer Development of Industrial Grade Horizontal Polargraph Modern Measurement Methods Introduced in I4.0 Manufacturing Systems The Simulation of a Pid Controlled Robotic Drive Based on Bond Graph Modelling József Galamb, Designer of Ford T-Model and his Relationship with Homeland Generation of Sinusoidal Alternating Current of Variable Frequency and Intensity for Measuring the Electromagnetic Characteristics of Electric Motors On Research and Training in Machinery Diagnostics in Engineering Education Photovoltaic Systems: Control Strategies for Grid Connection