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Questions and Answers
What is a subsystem?
What is a subsystem?
A subsystem is represented as a block with an input, an output and a transfer function.
What is cascade form?
What is cascade form?
Each signal is derived from the product of input times the transfer function.
What defines parallel form in block diagrams?
What defines parallel form in block diagrams?
There is a common input and output formed by the algebraic sum of all outputs of subsystems.
What is feedback form?
What is feedback form?
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What is a summing junction?
What is a summing junction?
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What does a pickoff point indicate?
What does a pickoff point indicate?
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How can block diagrams be simplified?
How can block diagrams be simplified?
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Study Notes
Subsystems
- A subsystem is depicted as a block with specified input, output, and transfer function.
Cascade Form
- Signals are generated through the product of the input and the transfer function, allowing systematic signal flow.
Parallel Form
- This configuration features a common input and output, derived from the algebraic sum of outputs from multiple subsystems.
Feedback Form
- Represents a crucial feedback mechanism, characterized by the formula: input / (1 + input × Feedback).
Summing Junction
- A symbol in block diagrams that illustrates the algebraic addition of two or more signal inputs.
Pickoff Point
- Symbol in block diagrams indicating the distribution of a single signal to various subsystems, facilitating complex signal flow management.
Simplification Techniques
- Involves forming an equivalent cascade in the forward path to streamline signal representation.
- Requires the formation of an equivalent parallel system within the feedback path for efficient operation.
- Includes the creation of a feedback system for enhanced control and stability.
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Test your understanding of block diagram concepts with these flashcards. Each card covers key terms and definitions important for mastering the algebra of systems. Perfect for students looking to reinforce their knowledge in this area.
