Output Signal Detecting Unit for Real-Time Storage and Processing

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Solution Overview

Problem

Conventional output signal generating devices lack a detecting unit for real-time signal output, leading to increased software processing loads and difficulty in accurately determining the state of output signals, especially as signal frequency increases, and are limited to PWM inverters.

Innovation Solution

An output signal generating device with a control circuit, reference signal generating unit, output signal generating unit, output signal detecting unit, and storage unit configured on a single chip, allowing for real-time signal storage and processing, reducing software calculations and delays, and enabling accurate determination of output values.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If the number and frequency of output signals increase, then the information processing capability improves, but the software calculation process load increases and processing speed decreases

Engineering Contradiction:

Improveoutput signal state informationVSAvoidsoftware processing speed

Core Design Contradiction:

Loss of informationVSProductivity

Solution Approach 1:

The patent replaces software-based calculation and determination of output signal states with a hardware-based detecting unit that directly detects and outputs signal states. This substitution of hardware detection for software processing reduces the computational load on the software system while maintaining accurate tracking of output signal information, even as the number and frequency of signals increase.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Device complexity

If software calculation process is used to determine output signal state, then device complexity is reduced, but measurement precision of output signal state deteriorates

Engineering Contradiction:

Improvedevice structureVSAvoidoutput signal state determination accuracy

Core Design Contradiction:

Device complexityVSMeasurement precision

Solution Approach 1:

The patent introduces an intermediary detecting unit between the output signal generating unit and the control circuit. This detecting unit acts as a mediator that directly observes the output signal state and provides accurate real-time information to the control circuit, eliminating the need for software to calculate or infer signal states, thereby improving measurement precision without significantly increasing overall device complexity.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Measurement precision

If hardware detecting unit is added to detect output signals, then measurement precision of output signal state improves, but device complexity increases

Engineering Contradiction:

Improveoutput signal state detection accuracyVSAvoiddevice structure

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent merges the detecting unit with the existing control circuit or integrates it into the same system architecture, allowing the detecting unit to share resources and infrastructure with other system components. This integration approach enables accurate output signal state detection while minimizing the increase in device complexity by avoiding completely separate independent systems.

Inventive Principle:

Principle #5Merging (Combining)

4Ease of manufacture

If software calculation is used to ascertain output signal state, then ease of manufacture is improved, but reliability of output signal determination deteriorates

Engineering Contradiction:

Improvesystem implementation simplicityVSAvoidoutput signal state accuracy

Core Design Contradiction:

Ease of manufactureVSReliability

Solution Approach 1:

The patent replaces software-based determination methods with hardware-based detection, providing reliable and deterministic output signal state information that is not subject to software calculation errors, delays, or processing uncertainties. This hardware detection approach enhances system reliability while maintaining ease of manufacture through straightforward integration into existing control architectures.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS7902881B2Output signal generating device including output signal detecting unit

Publication Date: 2011.03.08 KK TOSHIBA

AI summary

An output signal generating device according to the present invention includes a control circuit for generating a control signal, a reference signal generating unit for generating a reference signal, an output signal generating unit for generating an output signal according to a comparison result between the control signal and the reference signal, an output signal detecting unit for detecting the output signal based on a sampling signal, and an output signal storage unit for storing the output signal detected by the output signal detecting unit. The control circuit includes a readout unit for reading out the output signal stored in the output signal storage unit. According to the present invention, the output signal can be stored in real time and the results thereof can be processed by software.