Systems Engineering

1925–1954 · 1 of 9

Holistic System Synthesis

1925–1954

Holistic System Synthesis

Contemporary themes

During the 1925–1954 period, researchers advanced a cohesive paradigm that unified machine parameterization, system-level transient analysis, and graphical/state-based representations into a single engineering framework. By parameterizing synchronous machine dynamics through armature reactances, time constants, and flux-linkage relations, they achieved accurate transient and steady-state predictions and validated models against measurements and design data. System-level analyses connected machine dynamics to transmission-line behavior, surge phenomena, and insulation concerns, while graphical and state-based methods enabled systematic reasoning about feedback, stability, and damping effects, shaping early control strategies for reliability and performance.

  • Parameterization and constants for synchronous machines enabling accurate transient and steady-state predictions. The approach aggregates armature reactances, time constants, and flux-linkage formulas into machine models, validated by test measurements and design data.
  • System-level transient analysis and stability in power networks, connecting machine dynamics to transmission-line behavior, surge phenomena, and insulation concerns for reliability. This pattern recurs in studies of power-system transients, surge measurements, and generator-connection transients.
  • Graphical and state-based representations underpin control-system analysis in this era, enabling visual and systematic reasoning about feedback, stability, and dynamic interactions. Key exemplars include Graphical Analysis of Control Systems and state-diagram formalisms in complex engineering contexts.
  • Damping and torque-angle behavior are analyzed alongside model-based/automatic control, emphasizing how damping torques and transient responses shape stability and control strategies for synchronous machines.

Influential works

This era forged the integrative foundation of Systems Engineering by bridging detailed physical models with abstract system thinking, setting the stage for formalized system boundaries, components, and hierarchical organization. Breakthrough methods for automatic controller tuning, symbolic analysis of relay networks, and production-flow modeling embedded quantitative design into the engineering workflow, influencing subsequent control theory, digital logic, and systems design across domains. The period thus marks a decisive shift toward holistic, model-based engineering that would inform subsequent optimization, reliability, and optimization of complex engineered systems.

  • An Outline of General System Theory (1950) introduced a formal general system theory, defining systems, boundaries, components, and hierarchical organization, and promoting holistic thinking across engineering domains; its concepts became foundational for Systems Engineering.
  • Optimum Settings for Automatic Controllers (1942) established quantitative methods for tuning feedback controllers, deriving optimal gains under stability and performance constraints; it anchored modern control design and system reliability practices central to Systems Engineering.
  • A symbolic analysis of relay and switching circuits (1938) introduced symbolic methods to model relay networks and logic circuits, enabling systematic design of switching hardware and laying groundwork for digital control and systems engineering methodologies.
  • Continuous flow systems (1953) applies continuous-flow and queuing concepts to production and logistics, providing formal models for throughput optimization, scheduling, and integrated processes—key tools for designing efficient engineered systems.

1955–1968

Modular Design and Control

Contemporary themes

The period witnessed a move toward modular, system-level thinking that linked function, constraints, and evaluation via stage-gated design and modular decomposition of complex systems. Advancements in controllability and observability structures enabled state-space realization and robust analysis across linear and time-varying contexts, while stability concerns integrated Lyapunov methods, loop-gain concepts, and nonlinear frequency-domain conditions into design practice. The convergence of sequential computation, circuit synthesis, and early planning/control methodologies anchored lifecycle considerations in complex engineered systems.

  • Controllability and observability structures underpin multi-variable system design, enabling state-space realization, mode identification, and pole/state assignments across linear and time-varying contexts.
  • Stability analysis combines Lyapunov methods, loop-gain concepts, and nonlinear frequency-domain conditions to address robust behavior of nonlinear and time-varying feedback systems; numerical integration stability also supports reliable simulations.
  • Sequential computation and circuit synthesis unify computer science with electrical engineering, emphasizing state assignment and design methods for sequential machines and circuits.
  • Optimal control theory in linear/discrete domains analyzes when a system is optimal, and explores discrete optimization and structure-preserving simplifications to facilitate design.
  • Systems theory and reliability considerations link management and engineering perspectives with reliability measures, illustrating lifecycle concerns in complex engineered systems.

Influential works

Key breakthroughs established stage-gated, cross-disciplinary design methodologies and unified planning-control architectures, laying the groundwork for modern Systems Engineering practice. Modular substructure coupling and early computational models spurred scalable simulation and emergent behavior analysis, while diffusion principles clarified how innovations propagate in large, multi-stakeholder projects.

  • Engineering Design: A Systematic Approach (1963) introduced a structured, stage-gated design methodology that links function, constraints, and evaluation, enabling cross‑disciplinary integration and rigorous trade‑offs—core practices later central to Systems Engineering.
  • Planning and Control Systems: A Framework for Analysis (1965) proposed a unified view of planning, feedback, and control for complex systems, shaping architecture, information flow, and decision strategies that underpin modern Systems Engineering methodologies.
  • Diffusion of Innovations (1962) laid out how ideas spread through social and technical networks, introducing adoption curves, early vs. late adopters, and role of opinion leaders—foundations for implementing large, multi‑stakeholder Systems Engineering projects.
  • Coupling of Substructures for Dynamic Analyses (1968) described modular dynamic analysis by linking substructures to capture global behavior, pioneering modular design and simulation approaches that underpin Complex Systems Engineering modeling.
  • Theory of Self-Reproducing Automata (1967) explored computational models of self-replication and complex, emergent behavior, inspiring system-theoretic thinking and model-based engineering concepts that influenced subsequent Systems Engineering and simulations.

1969–1975

Design-Driven Systems Engineering

Contemporary themes

During this period, the dominant research pattern centered on design-centric decomposition of complex systems into modular architectures with well-defined interfaces, enabling scalable integration and reuse. Modeling, simulation, and computational design provided a unifying framework for analysis, verification, and optimization across engineering domains. Control theory and adaptive methods guided robust performance and reliability considerations, while domain-specific applications in transportation and networks demonstrated the cross-domain utility of these approaches.

  • Modular design and architecture emerged as a core paradigm for managing complexity and ensuring dependability by decomposing systems into modules with clear interfaces and bounded interactions.
  • Modeling, simulation, and computational design provided a unifying methodological framework for analysis, verification, and optimization across engineering domains.
  • Control theory, stability, and adaptive methods shaped system performance, including model-reference control, observers, and identification for robust behavior.
  • Reliability engineering and probabilistic verification underpin design, combining probabilistic models, reliability prediction, and computational reliability tools.
  • Domain-specific applications in transportation and networks demonstrate cross-domain adoption of control, modeling, and optimization through simulation and design tools.

Influential works

Key breakthroughs include The Sciences of the Artificial and General System Theory, which established design-centric and holistic thinking foundations for systems engineering. Later works introduced principled modular decomposition and structured problem framing, notably criteria for decomposing systems into modules and a systematic approach to analyzing complex problems and decisions. The Delphi method's techniques for anonymous expert forecasting further enhanced requirements elicitation and consensus-building in uncertain engineering contexts.

  • 'The Sciences of the Artificial' (1969) introduced a design-focused view of systems as artificial artifacts, highlighting problem framing, purposeful modeling, and iterative refinement. It reframed engineering as design science and deeply influenced systems engineering theory and practice.
  • 'General System Theory: Foundations, Development, Applications' (1969) provided a unifying lens for analyzing interconnected components, emphasizing hierarchy, feedback, and emergent properties. Its cross-disciplinary reach shaped early SE methods and systems thinking.
  • 'On the criteria to be used in decomposing systems into modules' (1972) proposed principled modular criteria, enabling scalable design, interface management, and reuse. It underpins architectural decomposition, product lines, and robust system integration.
  • 'Outline of a New Approach to the Analysis of Complex Systems and Decision Processes' (1973) offered a fresh approach linking complexity analysis with decision processes, introducing structured problem framing and iterative exploration. Influenced modeling, simulation, and decision-support in SE.
  • 'the delphi method: techniques and applications' (1975) described a systematic, anonymous expert consensus technique for forecasting and requirements elicitation, improving decision quality in uncertain engineering contexts; widely adopted in systems design and policy forecasting.

1976–1982

Open-Systems Modeling

Contemporary themes

The period witnessed a convergence of adaptive control with formal stability guarantees, spanning direct control adaptation, discrete-time multi-variable schemes, and nonlinear robust strategies. Synthesis and stability for large-scale, complex systems emerged as a central research pattern, integrating classical and modern multivariable design, modal control, and system-level identification. Computing-centric systems engineering matured, linking hardware design, distributed timing, data management, and rigorous testing to open-system perspectives and formal design methodologies.

  • Adaptive control with stability guarantees emerges as a core theme, uniting direct control adaptation, discrete-time multi-variable schemes, and formal stability proofs across papers.
  • Multivariable and scalable control design patterns emphasize synthesis and stability in complex systems, integrating classical/modern multivariable design, large-scale system stability and modal control approaches.
  • Nonlinear and robust control strategies like variable structure (sliding mode), fuzzy control, and modal approaches illustrate resilience to uncertainties and model mismatch.
  • System identification and modeling for closed-loop control, emphasizing identifiability, experiment design, and system-level modeling across the literature.
  • Computing-centric systems engineering addresses hardware design, distributed timing, reliability, data management, and testing methodologies in information systems.

Influential works

This era anchored open-systems thinking and holism as foundations of engineering design, bridging control theory with systemic thinking and organizational practice. It introduced foundational modeling formalisms and ordering concepts that enabled rigorous analysis of concurrent processes, such as time-based causality and graphical formalisms, shaping SE tools and methods for decades. The period's emphasis on integrating theory with practical systems engineering laid the groundwork for early model-based design, distributed architectures, and robustness that influenced subsequent research trajectories.

  • Time, clocks, and the ordering of events in a distributed system (1978) introduced the happens-before relation and logical clocks, enabling rigorous reasoning about causality in distributed systems and laying groundwork for SE design of correct, scalable architectures.
  • Petri Net theory and the modeling of systems (1982) formalized Petri nets as a graphical mathematical tool for modeling concurrent, asynchronous processes, enabling analysis of reachability, liveness, and workflow dynamics central to systems engineering.
  • General System Theory: Foundations, Development, Applications (1977) proposed a unified framework for studying complex systems across domains, introducing holism, open systems, and feedback that underpin modern systems engineering methods.
  • Systems Thinking, Systems Practice (1981) advanced systemic thinking in management, focusing on purposeful systems, problem structuring, and leverage points, shaping organizational design and SE education.
  • Fuzzy Sets and Systems - Theory and Applications (1980) extended mathematics to handle uncertainty with fuzzy logic, influencing robust design, control, and decision support in complex engineering systems.

1983–1989

Robust Adaptive Networked Control

Contemporary themes

During 1983–1989, systems engineering research converged on a unified framework that blends robust control, adaptive strategies, and model-based synthesis to manage uncertainty and dynamics in distributed and networked environments. Methodological emphasis on stability analyses (passivity and averaging), analytical redundancy for fault tolerance, nonlinear/time-varying state estimation via canonical observers, and scalable model reduction and factorization enabled distributed decision-support and process-modeling across hardware-software and manufacturing domains.

  • Adaptive and robust control approaches converge into a unified paradigm for managing uncertainty and dynamics, leveraging stability analyses (passivity, averaging), robustness margins and real-time adaptation across centralized and decentralized settings, as reflected in adaptive, robust and H∞-related work and decentralized control.
  • Fault-tolerant design via analytical redundancy and fault-yield modeling: fault detection systems, analytical redundancy, and IC defect sensitivity modeling form a coherent safety/reliability thread across hardware-centric and software-oriented contexts.
  • State estimation for nonlinear and time-varying systems through canonical-form observers and geometric/variable-structure approaches; emphasizes structural observer design and switching-based methodologies in dynamic environments.
  • Model-based synthesis and reduction in control design, including factorization-based synthesis and model reduction techniques that simplify complex systems while preserving essential dynamics.
  • Distributed infrastructures and decision-support for control and manufacturing, spanning distributed software kernels, RPC frameworks, and decentralized/adaptive control in interconnected systems and process-modeling in manufacturing contexts.

Influential works

This period established core principles for resilient, model-driven design and distributed control that informed later developments in autonomous systems, industrial automation, and enterprise decision support, shaping how complexity and uncertainty are addressed in systems engineering for decades.

  • Optimization by Simulated Annealing (1983) introduced the simulated annealing algorithm for global optimization, enabling robust search in multimodal spaces; it catalyzed a family of metaheuristics used across engineering, scheduling, and AI, shaping practice for decades.
  • The Analytic Hierarchy Process (1985) formalized structured decision making via pairwise comparisons, enabling systematic trade-offs in complex SE designs; it catalyzed multi-criteria decision support across engineering, policy, and procurement.
  • System Identification: Theory for the User (1987) presented practical guidelines for estimating dynamic system models from data, standardizing identification methods for control and SE; it catalyzed widespread adoption in aerospace and robotics.
  • Some Models for Estimating Technical and Scale Inefficiencies in Data Envelopment Analysis (1984) introduced Data Envelopment Analysis models to benchmark efficiency of decision-making units, shaping performance measurement across operations research and systems engineering.
  • On the evaluation of structural equation models (1988) analyzed fit criteria and validation issues for SEM, guiding model specification and interpretation in engineering systems and social-technical modeling.

1990–1996

Architecture-Driven Control Synthesis

Contemporary themes

The period fused architecture-centric modeling with rigorous control design, enabling unified treatment of stability, performance, and uncertainty in complex systems through convex optimization and Linear Matrix Inequalities. Object-oriented modeling and design anchored system engineering practices, providing reusable templates and clear architectural vocabularies that bridged software and hardware concerns. Real-time distributed control and networking emphasized Quality of Service and coordinated, low-latency operations, while adaptive and data-driven approaches began to bridge theory and practical experimentation across manufacturing and control domains.

  • Robust control design via Linear Matrix Inequalities (LMI) and H-infinity (H∞) synthesis, unifying stability and performance analysis for uncertain and nonlinear systems through convex optimization.
  • Architecture-centric modeling: object-oriented modelling and design underpin system modeling, architecture analysis, and rapid specification, bridging software and systems engineering.
  • Real-time distributed control and networking emphasize Quality of Service (QoS), scheduling, and flow control in integrated services networks and control rooms, enabling coordinated, low-latency operations.
  • Adaptive, nonlinear, and data-driven control patterns include adaptive controllers for nonlinear/feedback-linearizable systems, systematic design, and chaotic dynamics control, bridging theory and experiments.
  • Management-driven and manufacturing-focused control systems research connects control design to competitive advantage, strategic orientation, and manufacturing excellence.

Influential works

These developments established architecture-driven, model-based engineering as a central paradigm in systems engineering, with convex-optimization-based control as a practical tool for robust design. Foundational object-oriented modeling and design principles, together with design patterns, provided enduring templates that influenced subsequent software architecture and toolchains. The Linear Matrix Inequalities framework reshaped control synthesis by enabling tractable, scalable approaches to stability and performance, informing a broad spectrum of disciplines from process control to robotics and networked systems.

  • Design Patterns: Elements of Reusable Object-Oriented Software (1994) codified common design solutions into repeatable templates, such as Factory, Observer, and Strategy. By stabilizing a shared vocabulary for object-oriented design, it accelerated reuse, documentation, and disciplined architecture in software systems—and shaped decades of tooling and education.
  • Object-Oriented Modeling and Design (1990) anchored OO modeling concepts and design principles, bridging analysis and implementation and foreshadowing later UML directions. It codified best practices for modularity, reuse, and interaction design, with enduring influence on software architecture and object-oriented engineering.
  • Linear Matrix Inequalities in System and Control Theory (1994) introduced LMIs as a unifying tool for stability, performance, and robust control. By enabling convex optimization formulations and efficient algorithms, it transformed design methodologies and inspired a vast literature on control synthesis.
  • Highly dynamic Destination-Sequenced Distance-Vector routing (DSDV) for mobile computers (1994) proposed a proactive routing protocol with sequence numbers to resolve loops and ensure up-to-date paths in mobile networks, laying groundwork for modern MANET routing research.

1997–2010

Swarm-Enabled Systems Engineering

Contemporary themes

Particle swarm optimization and swarm-inspired methods emerged as a unifying, population-based search paradigm spanning engineering design, control optimization and dynamic systems, emphasizing parameterization, convergence behavior, and swarm dynamics across physical and simulated environments. Model-based control and stability analysis in switched and hybrid systems are used to guarantee performance and robustness under switching and information constraints, with model predictive control as a practical instantiation and Lyapunov-based tools as theoretical foundations. Fault detection, diagnosis and safety in engineering systems rely on model-based diagnostics, supervision, and machine learning aided methods to detect, isolate, and diagnose faults with emphasis on reliability and safety in distributed and complex systems. Multi-agent coordination and distributed control examine consensus, flocking, and coordination under changing interaction topologies, highlighting non-local interactions and collective behavior in dynamic systems. Modeling, simulation, and requirements engineering address the use of discrete-event simulation, modeling support for early-phase requirements, and modeling-centric design processes to reason about complex engineered systems.

  • Particle swarm optimization (and swarm-inspired methods) emerge as a unifying, population-based search paradigm spanning engineering design, control optimization and dynamic systems, emphasizing parameterization, convergence behavior, and swarm dynamics across physical and simulated environments.
  • Model-based control and stability analysis in switched and hybrid systems are used to guarantee performance and robustness under switching and information constraints, with model predictive control as a practical instantiation and Lyapunov-based tools as theoretical foundations.
  • Fault detection, diagnosis and safety in engineering systems rely on model-based diagnostics, supervision, and machine learning aided methods to detect, isolate, and diagnose faults with emphasis on reliability and safety in distributed and complex systems.
  • Multi-agent coordination and distributed control examine consensus, flocking, and coordination under changing interaction topologies, highlighting non-local interactions and collective behavior in dynamic systems.
  • Modeling, simulation, and requirements engineering address the use of discrete-event simulation, modeling support for early-phase requirements, and modeling-centric design processes to reason about complex engineered systems.

Influential works

The described themes collectively shaped a Systems Engineering paradigm that emphasizes distributed intelligence, formal modeling, and simulation-driven design across domains, enabling more resilient, adaptable architectures and more rigorous validation of complex systems. It enabled cross-domain transfer of swarm-inspired optimization ideas into engineering practice and raised the profile of modeling and simulation as integral to requirements and design processes.

  • Principles and Practice of Structural Equation Modeling (1998) introduced Structural Equation Modeling to analyze latent constructs and causal relationships within complex systems, enabling rigorous measurement models and path analysis; it rapidly became foundational in systems engineering modeling and, over time, a standard tool for validating system architectures and causal links.
  • Diffusion of Innovations (2003) formalized how innovations spread through social systems, capturing adoption dynamics, barriers, and time to adoption; it shaped system dynamics and technology deployment strategies, influencing models of organizational change and SE project planning.
  • Geant4—a simulation toolkit (2003) introduced a modular, extensible toolkit for Monte Carlo simulation of complex physical processes, enabling accurate, reusable system-level simulations across engineering domains; it spurred standardized simulation practices in SE and large-scale modeling.
  • CloudSim: a toolkit for modeling and simulation of cloud computing environments and evaluation of resource provisioning algorithms (2010) provided a flexible cloud computing simulation toolkit to model data centers, virtualized resources, and scheduling policies, accelerating evaluation of architectures and service provisioning, and catalyzing research in cloud systems engineering.
  • Particle Swarm Optimization (2002) introduced a simple, robust population-based optimization method inspired by social behavior, enabling efficient search in high-dimensional SE design and control problems; it popularized swarm intelligence and influenced subsequent metaheuristics.

2011–2017

Data-Driven Cyber-Physical Systems

Contemporary themes

From 2011 to 2017, Systems Engineering integrated Industry 4.0 concepts with cyber-physical systems, yielding smart manufacturing ecosystems built on interoperable CPS architectures and enhanced human–machine collaboration across platforms. Distributed, event-driven control and standardized interfaces enabled scalable real-time coordination in multi-agent and microgrid contexts. Optimization-driven design, reliability, and data analytics-enabled sensing drove performance improvements, with an emphasis on condition monitoring and predictive diagnostics.

  • Industry 4.0 and cyber-physical systems converge to form a cohesive smart manufacturing ecosystem, integrating CPS architectures, standardization, and human–machine collaboration across platforms.
  • Distributed networked control and event-triggered schemes enable scalable, robust real-time coordination in multi-agent and microgrid contexts, spanning event-driven communication to standardized control interfaces.
  • Optimization-driven design and control pervades engineering practice, from topology optimization to metaheuristic search and synchronization design, highlighting systematic improvement of structural and dynamic performance.
  • Fault detection, reliability, and safety drive engineering systems, foregrounding condition monitoring, failure prediction, and diagnostic frameworks to maintain operational integrity.
  • Data analytics, sensing, and Internet of Things (IoT) integration propel smarter manufacturing, leveraging big data analytics, analytics-enabled decision making, and pervasive sensing infrastructure.

Influential works

The era gave rise to breakthroughs in data-driven engineering practices. TensorFlow catalyzed scalable machine learning infrastructure across CPUs and GPUs, transforming how engineering systems are trained and deployed. Topology Optimization: Theory, Methods, and Applications provided a rigorous framework for material distribution with broad impact across aerospace, mechanical, and civil engineering. lavaan opened accessible structural equation modeling for researchers, enabling rigorous latent-variable analysis. Pyramid Scene Parsing Network advanced perception in autonomous systems through pyramid pooling and deep CNN architectures, enhancing scene understanding for robotics and intelligent machines.

  • TensorFlow: A system for large-scale machine learning (2016) introduced dataflow graphs and automatic differentiation, enabling scalable training and deployment of ML models across CPUs/GPUs, transforming ML infrastructure and software engineering practices.
  • Topology Optimization: Theory, Methods, and Applications (2011) presented a rigorous optimization framework for material distribution, yielding optimal structural designs and influencing aerospace, mechanical, and civil engineering through automated, performance-driven design.
  • lavaan: An<i>R</i>Package for Structural Equation Modeling (2012) provided a widely accessible, open-source SEM tool, enabling researchers and engineers to fit latent-variable models with a user-friendly syntax, fueling rigorous modeling in systems engineering.
  • Pyramid Scene Parsing Network (2017) proposed a pyramid pooling module and deep CNN architecture to improve scene parsing and semantic segmentation, bolstering perception capabilities in autonomous systems and robotics.

2018–2024

Digital Twin Systems Engineering

Contemporary themes

In the 2018-2024 window, digital twins, simulation, and data-driven decision support became central to systems engineering in Industry 4.0. Researchers emphasized data-driven maintenance and fault diagnosis using deep learning on bearing sensor data, enabling predictive maintenance and rapid fault detection across rotating machinery. Distributed sensing, cross-domain integration, and event-triggered communications supported real-time monitoring and resilient operation, while model-based realism and big-data analytics underpinned scenario testing and deployment strategies.

  • Data-driven maintenance and fault diagnosis in Industry 4.0: leveraging deep learning on bearing sensor data to enable predictive maintenance and rapid fault detection across rotating machinery.
  • Digital Twin, simulation, and smart manufacturing enablers: integrating digital twins, big data and model-based realism to support predictive decision-making, scenario testing and resilient operations.
  • Supply chain resilience and sustainability under Industry 4.0: analyzing ripple effects, risk analytics, circular economy practices and disruption mitigation through digital technologies.
  • Distributed sensing and cross-domain integration for reliable monitoring: distributed estimation, event-triggered communications, and cross-domain pattern recognition enabling real-time decisions.
  • Theory, strategy, and implementation patterns for Industry 4.0: theoretical operationalisation, strategic roadmaps and sustainability-oriented adoption agendas guiding deployment.

Influential works

These advances consolidated digital twins as a unifying engineering paradigm, fusing model-based reasoning with data-driven analytics and cross-domain integration to guide sustainable adoption and long-term roadmapping in Industry 4.0. Groundbreaking shifts in graph-based representations, platform-aware optimization, and scalable deployment patterns provided the backbone for modern systems-engineering workflows, decision-support tools, and predictive capabilities beyond traditional boundaries.

  • Graph Convolutional Neural Networks for Web-Scale Recommender Systems (2018) introduced graph convolutional networks to model user-item interaction graphs at web scale, enabling end-to-end learning across billions of signals; it reshaped recommender-system design and inspired graph-based industrial pipelines.
  • MnasNet: Platform-Aware Neural Architecture Search for Mobile (2019) proposed a resource-aware neural architecture search that jointly optimizes accuracy and device constraints, delivering efficient on-device models and catalyzing a shift toward platform-aware AI engineering.
  • Numerical optimization (2021) provides a comprehensive treatment of modern optimization methods for engineering design and control, codifying scalable algorithms and convergence guarantees that underpin contemporary systems-engineering workflows and decision-support tools.
  • Deep learning for smart manufacturing: Methods and applications (2018) surveys Artificial Intelligence (AI)-enabled manufacturing systems, from defect detection to predictive maintenance, grounding AI-driven production as a core pillar of modern systems engineering and Industry 4.0.