Reliability Prediction Programs 

 

Detailed Stress Prediction Programs

 

217 Predicts (Evaluation Associates)

 

217 Predicts automates MIL-HDBK-217F Notice 1 Reliability predictions. Features include: tree-structured failure rate summations for subassemblies, hybrids, equipments and systems, part library is formed as program is used, capable of making global changes, and multiple report formats which include sorting, font, title, and other optional capabilities. 

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ARM E (Advanced Reliability Modeling) (Confidence Enhancements)

 

Performs MIL-HDBK-217E-1 reliability prediction. Up to 10 environments can be analyzed and reported on simultaneously. Summary scatter plot ranks components by temperature and stress levels. Assemblies in system limited only by available secondary storage space. All four inductor hot spot temperature approximations are implemented. Commercial part number to MIL-M- 38510 number cross reference from MIL-HDBK 217E. 

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ARM F (Advanced Reliability Modeling) (Confidence Enhancements)

 

Performs MIL-HDBK-217F reliability prediction. Up to 10 environments can be analyzed and reported on simultaneously. Generic resistor/capacitor part number decoding. Temperature and duty cycle can be varied at the component and assembly level for each environment. Messages for parameters not specified or defaulted, for components outside MIL-HDBK-217 derating requirements, and output flags show defaulting parameters for each component modeled. 

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CARE® MTBF HDBK-217 Module (Parts Stress) (http://www.bqr.com)

 

The MTBF prediction module is one of the basic modules that are required to construct the CARE® integrated design environment.

The tool provides capabilities to construct hierarchical project trees that include functional blocks and components data. Project tree of 1000 components can be put together in less then an hour.

MTBF predictions are then performed, using a full set of reliability methods and environments. The CARE® tool includes a library of components with full reliability data.

The CARE® tool provides a very flexible environment for reliability prediction.

Predict Failure Rates of components in accordance with the well known standard: Parts Stress of MIL-HDBK-217

 

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Computer Aided Reliability Program (CARP) (JORI Corp)

 

Reliability prediction and modeling program developed by the Swiss Federal Institute of Technology. Performs both Parts Count and Detailed Stress predictions. 

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Milstress for Windows (Item Software)

 

Dramatic time savings over manual methods. Confidence in the accuracy of calculations. Ability to link with CAD and other external systems. User friendliness especially for unskilled computer users. Rapid trade-off Studies, and "what if" iterations to improve system reliability. Runs under Windows. 

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Milstress (Mitchell & Gothier)

 

Reliability prediction according to MIL-HDBK-217 features include: error checking, default values, hierarchical structure, accepts hybrids, electronic and nonelectronic commercial parts libraries available. Automatic part entry from libraries and databases, full help facility, accepts nonstandard parts, instant display of failure rates, notepad facility, easy to use menus and forms, wide variety of output options, trade-off studies, and automatic description of system tree structure. 

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PC MIL-HDBK-217F (Management Sciences)

 

Automated reliability prediction program according to MIL-HDBK-217F Notice 1. Features include: menu-driven data loader, duty cycle factors, "what-if" analysis with temp. & environment, graphics front end with database manager, thermal profile multiple levels of equipment, interactive component failure rate generation, global changes. Outputs include MTBF, Lambda and Pi factors, stress ratios, part/assembly/system failure rates. 

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PC Stress Analysis (Management Sciences)

 

Circuit stress analysis package for power and stress calculations on electronic designs. Provides documentation for MIL-STD-785 stress analysis with optional output packages for signal levels, waveforms, etc. Accepts CAD/CAE parts lists and has a graphics front end. Outputs include component overstress warning and output directly to PC Predictor. DC power, voltage, current and thermal dissipation are done automatically. Options include extensive libraries, AC analysis, & transient analysis. 

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PREVIEW (Systems Effectiveness Associates)

 

Combines thermal and reliability analysis with a user definable CAD/CAM/CAE interface. Allows engineers to test the effects of design decisions on product reliability. Menu driven, with on-line help, it allows reliability and thermal analysis to be performed concurrently with design. Thermal program performs the analysis on a full 3D representation of the board. A complete stress analysis is performed in accordance with MIL-STD-217. 

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R1 (includes R1-Lite, R1-Engine, R1-Professional and WinR1) (Systems Exchange)

 

Provides both parts count and full stress prediction methods according to virtually any reliability standard or model including MIL-HDBK-217E and F, Bellcore, DTRC-90/010 (mechanical reliability) and the AT&T model. R1 is supported by a complete parts catalog manager, which provides access to thousands of piece-parts. R1 includes data on nearly 100,000 piece-parts. In addition to reliability prediction, R1 provides a sophisticated range of reliability model options, including K of N redundancy with standby or active state and with or without repair of failed components. 

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RAMTOOL (JORI Corp)

 

This package satisfies the required tasks 201, 203 and 204 of MIL-STD-785 and task 203 (testability) required by MIL-STD-470. Performs reliability predictions, maintainability predictions, FMEA's, FMECA's, testability analyses, and reliability modeling. 

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REAP (Reliability Effectiveness Analysis Program) (Systems Effectiveness Associates)

 

Predicts failure rates for components, assemblies, and systems and allows for sensitivity tests. Capable of interfacing with CAD/CAE systems. Implementation of MIL-HDBK-217. Program has provisions for input error checking and defaults for part types. Also, permits inclusion of user-specified modeling factors e.g., duty cycle and redundancies. Accommodates temperature differentials and environmental changes at any configuration level. 

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REAPmate (Reliability Effectiveness Analysis Program for PC) (Systems Effectiveness Associates)

 

REAPmate performs stress analysis predictions for PCBs. Supports interfacing to CAD/CAE packages. Analyzes sensitivity due to temperature, quality, and environment. Implementation of MIL-HDBK 217. Package offers temperature scanning during prediction runs, on-line help with pop-up menus. Can generate reports with optional Pi and Lambda factors for storage, display, or printing. 

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Rel +4 (Evaluation Software)

 

Rel +4 calculates failure rates for electronic components based upon stress, power, voltage, amperage, temperature and in a given environment in accordance with MIL-HDBK-217F, Notice 1 or Notice 2. Rel +4 can use user supplied data or operator controlled default values. Rel +4 calculates the assembly failure rate and assembly MTBF. Non MIL-HDBK-217F Failure rates can be used and stored by Rel +4. Rel + 4 provides the user with help message windows from any part of the program. 

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Rel Plus III (Evaluation Software)

 

Automated reliability prediction program in accordance with MIL-HDBK-217F Notice 1. Features include assembly level predictions and system modeling functions. 

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RelCalc for Windows - 217 (T-Cubed Systems )

 

RelCalc for Windows - 217 automates the reliability prediction procedure of MIL-HDBK-217, providing an alternative to tedious, time consuming, and error prone manual methods. RelCalc features include: user friendly Windows GUI interface; integrated library functions for rapid recall of often used parts; very easy to learn and use; comprehensive on-line Help; global editing functions for quick What-If? trials; define modular, hierarchical system models with redundancy if desired; supports hybrid circuit reliability predictions; data import/export functions; and much more! 

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RelCalc for Windows - Bellcore (T-Cubed Systems )

 

RelCalc for Windows - Bellcore automates the reliability prediction procedure of Bellcore TR-332, providing an alternative to tedious, time consuming, and error prone manual methods. RelCalc features include: user friendly Windows GUI interface; integrated library functions for rapid recall of often used parts; very easy to learn and use; comprehensive on-line Help; global editing functions for quick What-If? trails; define modular, hierarchical system models, with redundancy, if desired; supports hybrid circuit reliability predictions; data import/export functions; and much more! 

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Relex 217 (Relex Software Corporation)

 

Relex 217 provides reliability calculations per the latest versions of MIL-HDBK-217 Part Stress and Parts Count in a user-friendly environment. Highly acclaimed by both reliability experts and novices, Relex 217 provides the necessary tools for performing your analyses. Capabilities include a user friendly interface, powerful CAD Import/ExportWizard, comprehensive parts libraries containing tens of thousands of parts, scientific graphs, visual report designer, spelling checker, trade studies, VBA macros, and much more. Relex is the industry leading R&M software package and incorporates MIL-HDBK-217, Bellcore, and Mechanical Reliability Predictions, graphical Reliability Block Diagrams, FMEAs, FMECAs, Maintainability Predictions, RCM and Life Cycle Cost analyses, and Fault Tree analyses in one completely integrated tool.

 

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Reliability Parts Stress Prediction (Probabilistic Software)

 

This program performs an automated reliability prediction according to MIL-HDBK- 217F, Notice 1, Parts Stress Method; MIL-STD-785B, Task 203, and MIL-STD-756B, Type III, Method 2005, Task 202. 

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Reliability Predictor (Mentor Graphics)

 

Performs part stress prediction in accordance with MIL-HDBK-217E. Combined with a decision support system, features over 250 reliability models and capabilities. Can perform parts count on net lists as well as parts list and preliminary packaging and temperature information. Initial global temperatures are assigned, assuming all junction temperatures are the same; the analysis can be refined after simulation by adding voltage, current, and power values. 

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RL ORACLE (Rome Labs)

 

Automated MIL-HDBK-217 reliability prediction package, features include interactive on-line data entry, editing and execution. Inputs include module numbers, piece part numbers, electrical stress parameters, repair rates & descriptions, outputs include: MTBF, piece part failure rate and module/equipment failure rates, and availability. 

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RPP (Reliability Prediction Program) (Powertronic Systems)

 

RPP performs reliability prediction analysis in accordance with the parts count and part stress methods of MIL-HDBK-217. RPP can analyze systems of any size and complexity, including those with large numbers of assemblies and parts. RPP features include complete MIL-HDBK-217 support, including hybrids, support for large designs, active and standby redundancy models for assemblies, defaults for part parameters, superior report outputs, global parameter changing for "what-if" studies, sensitivity ranging with graphs, and part derating analysis. RPP is ideal for analyzing aerospace, land or marine equipment used in either military or industrial applications. 

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TECMTBF (Tecnasa Electronica Professional)

 

This program performs a reliability prediction in accordance with MIL-HDBK-217E. Has British and Portuguese menus and can communicate with other software packages developed by company.

 

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TelStress (Item Software)

 

Calculates failure rates of electronic components in accordance with the Reliability Prediction Standards Bellcore TR-NWT-000332, RDF and HRD4 & 5. 

 

 

Parts Count Prediction Programs

 

 

CARE® MTBF HDBK-217 Module (Parts Count) (http://www.bqr.com)

 

The MTBF prediction module is one of the basic modules that are required to construct the CARE® integrated design environment.

The tool provides capabilities to construct hierarchical project trees that include functional blocks and components data. Project tree of 1000 components can be put together in less then an hour.

MTBF predictions are then performed, using a full set of reliability methods and environments. The CARE® tool includes a library of components with full reliability data.

The CARE® tool provides a very flexible environment for reliability prediction.

Predict Failure Rates of components in accordance with the well known standard: Parts Count of MIL-HDBK-217.

 

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Computer Aided Reliability Program (CARP) (JORI Corp)

 

Reliability prediction and modeling program developed by the Swiss Federal Institute of Technology. Performs both Parts Count and Detailed Stress predictions. 

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Rel +4 (Evaluation Software)

 

Rel +4 calculates failure rates for electronic components based upon stress, power, voltage, amperage, temperature and in a given environment in accordance with MIL-HDBK-217F, Notice 1 or Notice 2. Rel +4 can use user supplied data or operator controlled default values. Rel +4 calculates the assembly failure rate and assembly MTBF. Non MIL-HDBK-217F Failure rates can be used and stored by Rel +4. Rel + 4 provides the user with help message windows from any part of the program. 

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Relex Parts Count (Relex Software Corporation)

 

Relex Parts Count provides reliability calculations per the latest versions of MIL-HDBK-217 Parts Count in a user-friendly environment. Highly acclaimed by both reliability experts and novices, Relex Parts Count provides the necessary tools for performing your analyses. Capabilities include a user friendly interface, powerful CAD Import/ExportWizard, comprehensive parts libraries containing tens of thousands of parts, scientific graphs, visual report designer, spelling checker, trade studies, VBA macros, and much more. Relex is the industry leading R&M software package and incorporates MIL-HDBK-217, Bellcore, and Mechanical Reliability Predictions, graphical Reliability Block Diagrams, FMEAs, FMECAs, Maintainability Predictions, RCM and Life Cycle Cost analyses, and Fault Tree analyses in one completely integrated tool.

 

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Reliability Parts Count Prediction (Probabilistic Software)

 

Performs an automated reliability prediction in accordance with MIL-HDBK-217F, Notice 1, Parts Count Method. 

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RPC (Reliability Parts Count Program) (Powertronic Systems)

 

RPC performs reliability prediction analysis in accordance with the parts count method MIL- HDBK-217. RPC can easily analyze systems of any size and complexity, including those with large numbers of assemblies and parts. RPC features include MIL-HDBK-217E and E Notice 1 parts count support, can perform prediction for parts, hybrids, assemblies and entire system. Standard features include: provisions for system structure input and editing, component data input and editing, defaults for component reliability calculations, global change, part/assembly/system reliability, and utilities for file and computer system management. RPC is ideal for analyzing aerospace, land or marine equipment used in either military or industrial applications. 

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TECMTBF2 (Tecnasa Electronica Professional)

 

Performs reliability parts count prediction in accordance with MIL-HDBK-217E. Can communicate with other packages developed by company.

 

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Mechanical Prediction Programs

 

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CARE® MTBF Mechanical Failure Rates Module (http://www.bqr.com)

 

The MTBF prediction module is one of the basic modules that are required to construct the CARE® integrated design environment.

The tool provides capabilities to construct hierarchical project trees that include functional blocks and components data. Project tree of 1000 components can be put together in less then an hour.

MTBF predictions are then performed, using a full set of reliability methods and environments. The CARE® tool includes a library of components with full reliability data.

The CARE® tool provides a very flexible environment for reliability prediction.

 Predict Failure Rates of components in accordance with the well known standard: Mechanical Failure Rates based on NPRD-95

 

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CARE® SDTA - Stress Derating & Thermal Anal. (http://www.bqr.com)

 

the Stress Derating analysis is the definition of derating values for the analyzed components. The Stress Derating standards define common derating values for components groups. These values are provided with the CARE® and create the basis for the SDTA. Through the CARE® tables editor, the user can edit these values to any value.

The CARE® SDTA module analyzes the hierarchical project tree, as presented in the MTBF Prediction module.

The analysis is performed for Voltage, Current, Power and Temperature Values of each component. The analysis compares operating and derated allowed values, and is able to identify the over-stressed components in the tree. The number of overstressed components appears immediately after the analysis.

 

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MECHREL (Mechanical Reliability Prediction Program) (Eagle Technology)

 

Performs a mechanical reliability prediction to the component level using the established reliability parameters of mechanical parts. Environmental and material factors are used in the calculation of base failure rates for the parts. The component failure rates are then summed to give an overall system reliability prediction. 

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Meridium    Enterprise Reliability Management System (ERMS)

 

The Meridium Enterprise Reliability Management System (ERMS) offers clients an industrial strength, enterprise wide tool set that analyzes plant maintenance data to achieve maximum equipment reliability and dependability.  Meridium client companies include refining and chemical processing sites as well as electric power utility companies and discrete manufacturing.  Meridum reliability analysis tools are supported by a powerful enterprise wide database with links into other plant systems such as: enterprise resource planning systems (ERP), computerized maintenance management systems (CMMS) and plant

distributed control systems (DCS).  This ability to store vast amounts of plant process, engineering and maintenance data in a single integrated information system provides the perfect computing environment for extensive reliability analysis.  Weibull, Normal and Log Normal distributions are available as well as Growth Modeling. Statistical Process Control (SPC) functions provide an integrated production quality management system.  All of these features are fully integrated and provide seamless

solutions that offer a high level of automation.

 

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MRP (Mechanical Reliability Prediction Program) (Powertronic Systems)

 

MRP performs reliability prediction analysis in accordance with the "Handbook of Reliability Prediction Procedures for Mechanical Equipment," Document DTRC-90/010, prepared by the U.S. Navy David Taylor Research Center. The document approaches failure rate models in a similar manner as MIL-HDBK-217 for electronic equipment. In addition, Reliability Analysis Center document NPRD-91, Nonelectronic Parts Reliability Data is available as an option. Features include: provisions for system structure input and editing, component data input and editing, defaults for component reliability calculations, part/assembly/system failure rate calculation, generation of six predefined reports for part/assembly/system reliability. 

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PERCEPT (Sendrian Resources)

 

Identifies Material incompatibilities and recommends appropriate design solutions. Incorporates a material life analysis expert system for estimating polymeric material life. Addresses material degradation, corrosion and aging concerns expressed in AF R&M 2000 Program, AVIP (MIL-A- 87244) and the Navy Design Guidelines for Prevention and Control of Avionic Corrosion. 

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Relex Mechanical (Relex Software Corporation)

 

Relex Mechanical provides reliability calculations per the Handbook of Reliability Prediction Procedures for Mechanical Equipment (NSWC-94/L07) in a user-friendly environment. Highly acclaimed by both reliability experts and novices, Relex Mechanical provides the necessary tools for performing your analyses. Capabilities include a user friendly interface, powerful CAD Import/ExportWizard, comprehensive parts libraries containing tens of thousands of parts, scientific graphs, visual report designer, spelling checker, trade studies, VBA macros, and much more. Relex is the industry leading R&M software package and incorporates MIL-HDBK-217, Bellcore, and Mechanical Reliability Predictions, graphical Reliability Block Diagrams, FMEAs, FMECAs, Maintainability Predictions, RCM and Life Cycle Cost analyses, and Fault Tree analyses in one completely integrated tool.

 

Non Operating Prediction Programs

 

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DORMACALC 4.0 (Sendrian Resources)

 

Prediction of electronic component nonoperating failure rates as a function of device characteristics, production technology, and environmental stress in accordance with the mathematical models in RADC TR-85-91. Temperature, environment, and power cycle factors are selected at the time of failure rate calculation to facilitate top level sensitivity analysis. Menu- driven, generates graphs of assembly non-op failure rates as a function of temp. Extensive library included with program. 

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RAC-NRPS (RAC-Nonoperating Reliability Prediction System) (Reliability Analysis Center)

 

A comprehensive package that enables the user to predict the impact of nonoperating periods on equipment reliability. This analysis is used when a particular system is subjected to lengthy periods of time unused, such as "one-shot" systems. All models within this prediction software are based on RADC-TR-85-91, "Impact of Nonoperating Periods on Equipment Reliability". 

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Rel +4 (Evaluation Software)

 

Rel +4 calculates failure rates for electronic components based upon stress, power, voltage, amperage, temperature and in a given environment in accordance with MIL-HDBK-217F, Notice 1 or Notice 2. Rel +4 can use user supplied data or operator controlled default values. Rel +4 calculates the assembly failure rate and assembly MTBF. Non MIL-HDBK-217F Failure rates can be used and stored by Rel +4. Rel + 4 provides the user with help message windows from any part of the program.

 

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Relex Reliability Prediction Software (Relex Software Corporation)

 

The Relex Reliability Prediction Software provides non-operating reliability calculations per the Reliability Toolkit guide from the Reliability Analysis Center in a user-friendly environment. Highly acclaimed by both reliability experts and novices, Relex provides the necessary tools for performing your analyses. Capabilities include a user friendly interface, powerful CAD Import/ExportWizard, comprehensive parts libraries containing tens of thousands of parts, scientific graphs, visual report designer, spelling checker, trade studies, VBA macros, and much more. Relex is the industry leading R&M software package and incorporates MIL-HDBK-217, Bellcore, and Mechanical Reliability Predictions, graphical Reliability Block Diagrams, FMEAs, FMECAs, Maintainability Predictions, RCM and Life Cycle Cost analyses, and Fault Tree analyses in one completely integrated tool.

 

 

Other Electronic Prediction Method Programs

 

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ARP-1.0 (Automotive Reliability Prediction Program) (Powertronic Systems)

 

ARP implements the prediction models defined by the Society of Automotive Engineer's Technical Paper 870050. These models are based on empirical data analysis performed by IIT Research Institute on automotive data collected by the SAE Reliability Standards Committee. The models that ARP implements include duty cycles for operating, dormant, and non-operating failures as well as factors for evaluation of system level infant mortality corrections. This program addresses the reliability needs of the automotive design engineer. 

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Bellcore ARPP (Bellcore Technology Licensing)

 

Automated Bellcore method of reliability part stress prediction. 

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Belstress (Mitchell & Gothier)

 

Reliability prediction to Bellcore method, features: error checking, default values, hierarchical structure, accepts hybrids. Parts/subsystems need only to be entered once, automatic part entry from libraries and databases, full help facilities, accepts nonstandard parts, instant display of failure rates, notepad facilities, easy to use menus and forms, trade-off studies, "Non servicing affecting", exclusions, repair category designations, a wide variety of output options. 

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CARE® MTBF Bellcore Module (http://www.bqr.com)

 

The MTBF prediction module is one of the basic modules that are required to construct the CARE® integrated design environment.

The tool provides capabilities to construct hierarchical project trees that include functional blocks and components data. Project tree of 1000 components can be put together in less then an hour.

MTBF predictions are then performed, using a full set of reliability methods and environments. The CARE® tool includes a library of components with full reliability data.

The CARE® tool provides a very flexible environment for reliability prediction.

Predict Failure Rates of components in accordance with the well known standard: Bellcore.

 

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CARE® MTBF British Telecom Module (http://www.bqr.com)

 

The MTBF prediction module is one of the basic modules that are required to construct the CARE® integrated design environment.

The tool provides capabilities to construct hierarchical project trees that include functional blocks and components data. Project tree of 1000 components can be put together in less then an hour.

MTBF predictions are then performed, using a full set of reliability methods and environments. The CARE® tool includes a library of components with full reliability data.

The CARE® tool provides a very flexible environment for reliability prediction.

Predict Failure Rates of components in accordance with the well known standard: HRD5.

 

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CARE® MTBF CNET Module (http://www.bqr.com)

 

The MTBF prediction module is one of the basic modules that are required to construct the CARE® integrated design environment.

The tool provides capabilities to construct hierarchical project trees that include functional blocks and components data. Project tree of 1000 components can be put together in less then an hour.

MTBF predictions are then performed, using a full set of reliability methods and environments. The CARE® tool includes a library of components with full reliability data.

The CARE® tool provides a very flexible environment for reliability prediction.

 Predict Failure Rates of components in accordance with the well known standard: CNET.

 

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FNPRD-3 (Nonelectronic Parts Reliability Data) (Reliability Analysis Center)

 

This program allows searches to be conducted on various data fields with the results of searches either displayed or printed. Files are stored in a dBase III format. The use of dBase III allows the user to modify the database if necessary. 

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Hardstress (Mitchell & Gothier)

 

Reliability prediction in accordance with HRD4. 

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MDR-21A Data (Reliability Analysis Center)

 

This program contains electronic field experience data. Database allows user to conduct custom searches on selected fields and either display or print the results. Files are in dBase III format. 

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NPRD-95 (Reliability Analysis Center)

 

Extensive collection of reliability data on mechanical, electromechanical and electronic part types and assemblies. Contains failure rate data on over 25,000 individual parts. Includes part summaries, part details, data sources, part number/mil number index, national stock number index with federal stock class prefix, national stock number index without federal stock class prefix, and part description index. Is a complement to MIL-HDBK-217 in performing reliability analyses of system designs. 

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PC COMMERCIAL (Management Sciences)

 

Bellcore reliability prediction. Features menu-driven data loader, interactive component failure rate generation, graphic front-end and database manager, extensive standard PC electronic parts database, equipment failure rate for infant mortality and steady state periods, sensitivity analysis, user-defined burn-in and test evaluation. Outputs steady state and first year estimates for parts, % contribution to failure rate totals, excluded and nonapplicable parts lists. 

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R1 (includes R1-Lite, R1-Engine, R1-Professional and WinR1) (Systems Exchange)

 

R1 provides both parts count and full stress prediction methods according to virtually any reliability standard or model including MIL-HDBK-217E and F, Bellcore, DTRC-90/010 (mechanical reliability) and the AT&T model. R1 can also generate reliability reports on parts, assemblies and systems. R1 is supported by a complete parts catalog manager. R1 includes data on nearly 100,000 piece-parts. In addition to reliability prediction, R1 provides a sophisticated range of reliability model options, including K of N redundancy with standby or active state and with or without repair of failed components. 

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RBC (Industrial Reliability Prediction Program) (Powertronic Systems)

 

Implementation of the Bellcore reliability prediction method for parts, units, sub-units, and systems. Features include provisions for system structure input and editing, component data input and editing, defaults for component reliability calculations, part/assembly/system failure rate calculation, generation of predefined reports for part/assembly/system reliability, utilities for computer system management. 

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Relex Bellcore (Relex Software Corporation)

 

Relex Bellcore provides reliability calculations per the latest versions of the Bellcore/Telcordia reliability prediction procedure in a user-friendly environment. Highly acclaimed by both reliability experts and novices, Relex Bellcore provides the necessary tools for performing your analyses. Capabilities include a user friendly interface, powerful CAD Import/ExportWizard, comprehensive parts libraries containing tens of thousands of parts, scientific graphs, visual report designer, spelling checker, trade studies, VBA macros, and much more. Relex is the industry leading R&M software package and incorporates MIL-HDBK-217, Bellcore, and Mechanical Reliability Predictions, graphical Reliability Block Diagrams, FMEAs, FMECAs, Maintainability Predictions, RCM and Life Cycle Cost analyses, and Fault Tree analyses in one completely integrated tool. 

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Relex Calculs Simplifies (Relex Software Corporation)

 

Electronic reliability analysis based upon prediction models from the French Centre National D'Etudes Des Telecommunications standard. Uses simplified reliability analysis with average data values. 

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Relex CNET (Relex Software Corporation)

 

Performs reliability analyses on electronic systems per the French document "Recueil de donnees de fiabilite du CNET". It provides a state-of-the-art user interface with extensive hypertext help, bar, pie, and line scientific graphics, large parts libraries, CAD interface, defaults and derating analysis, system modeling and redundancy capabilities. 

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VPRED (VHSIC Reliability Prediction Software) (Reliability Analysis Center)

 

Reliability prediction tool addressing VHSIC and VHSIC-like large-scale CMOS devices. VPRED is based on models presented in RADC-TR-89-177, "VHSIC / VHSIC-like Reliability Prediction Modeling".

 

 

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