Wireless Transceiver Process Control System

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Solution Overview

Problem

Advanced control and optimization techniques in process control systems are limited by the availability and quality of information, often requiring costly hardwired instrumentation and complex calculations, which can lead to suboptimum economic situations and hinder true process optimization.

Innovation Solution

A system and method utilizing wireless devices to communicate data between process elements and a control system, enabling better control fidelity and reducing the need for complex calculations by allowing data transmission and reception through transceivers, thereby improving process control in hostile or impractical environments.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If additional hardwired instrumentation is added to provide more information to the control application, then control fidelity is improved, but cost and system complexity increase

Engineering Contradiction:

Improvecontrol fidelityVSAvoidsystem complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces hardwired mechanical instrumentation with wireless transceiver systems. Process elements equipped with transceivers communicate data wirelessly to the control system, eliminating the need for physical hardwired connections while maintaining data acquisition capabilities. This substitution reduces installation complexity and system overhead while providing comprehensive process information for improved control fidelity.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Measurement precision

If hardwired instrumentation is installed to improve control quality, then measurement precision is improved, but installation cost increases

Engineering Contradiction:

Improvecontrol qualityVSAvoidinstallation cost

Core Design Contradiction:

Measurement precisionVSEase of manufacture

Solution Approach 1:

The system substitutes expensive hardwired instrumentation installations with wireless transceiver-based measurement systems. Each process element incorporates a transceiver that wirelessly transmits process data to the control system, eliminating costly wiring installation while achieving high measurement precision and control quality.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Ease of manufacture

If wireless transceivers are used to reduce installation cost and complexity, then ease of manufacture is improved, but information quality may deteriorate

Engineering Contradiction:

Improveinstallation costVSAvoidinformation quality

Core Design Contradiction:

Ease of manufactureVSMeasurement precision

Solution Approach 1:

The wireless transceiver system creates digital copies of process element data and transmits them wirelessly to the control system. Each transceiver captures process parameters and transmits accurate digital representations, maintaining information quality equivalent to hardwired systems while reducing installation complexity and cost.

Inventive Principle:

Principle #26Copying

Data Source

PatentUS7643796B2System and method for process control using wireless devices with multiple transceivers and at least one process element

Publication Date: 2010.01.05 HONEYWELL INTERNATIONAL INC

AI summary

An apparatus includes at least one process element and a first transceiver configured to communicate with the at least one process element. The apparatus also includes a second transceiver configured to communicate wirelessly with the first transceiver and to communicate with a process control system. The process control system may transmit data to the at least one process element via the first transceiver and the second transceiver. The process control system may also receive data from the at least one process element via the first transceiver and the second transceiver.