Key Points Carries remote control commands from operator to aircraft Paired with telemetry return for feedback and monitoring Must maintain reliability and low latency for safe operation Constraints include range, latency, interference, line of sight, and power requirements Critical for…
Key Points Tracks flow across system boundaries Used in observability and debugging Supports latency and dependency analysis Common in distributed systems Reveals dependencies between services and components Identifies where time is spent in transactions Definition Tracing is the recording or…
Key Points Supports precise pointing control Transfers angular momentum without propellant Common in spacecraft attitude control systems Works by exchanging angular momentum between the wheel and spacecraft body Enables stable pointing for antennas, sensors, and payloads Definition Reaction Wheel is…
Key Points Collects data from distributed points Supports monitoring and automation Used in industrial and environmental systems Often combines sensing and communications Operates at the Access layer connecting field devices to control and analytics systems Enables visibility into physical conditions…
Key Points Combines telemetry, tracking, and command functions Used in satellite operations and mission control Supports spacecraft monitoring and control Often managed from ground stations or operations centers Essential for safe and effective spacecraft operation Closes the loop between ground…
Key Points Integrated hardware and software used to control industrial or infrastructure processes Used in industrial automation and related system contexts Operates across manufacturing, utilities, energy, transport, and other industrial environments Includes sensors, controllers, actuators, and communications networks Supports physical…
Key Points Uses proportional, integral, and derivative terms Common in industrial control Helps regulate process variables Requires tuning for stability and response One of the most common closed-loop control strategies Definition PID Controller is a feedback controller that uses proportional,…
Key Points Measures delay in a communication or processing path Includes propagation, queueing, and processing components Important for real-time and interactive services Often evaluated alongside jitter and throughput Aggregate measure that can span multiple system layers depending on context Definition…
Key Points Provides supervisory monitoring and control of distributed assets Collects telemetry from field devices Transmits data over communications links to centralized control interfaces Supports operator commands and control actions Common in utilities, water systems, pipelines, manufacturing, and infrastructure operations…
Key Points Focuses energy into a narrow beam Improves link budget in one direction Common in satellite and long-distance links Requires pointing accuracy and alignment Tradeoff between directional performance and coverage area Definition High-Gain Antenna is an antenna that concentrates…
