RAM Commander User Manual

Modules Overview

Modules Overview

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Modules Overview

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RAM Commander is the pioneering Reliability and Safety software for reliability professionals and design engineers. RAM Commander combines ingenuity of approach, calculation accuracy, convenience of use. Designed by reliability engineers, RAM Commander covers the entire scope of engineering tasks related to reliability of electronic, electro-mechanical and mechanical systems.

 

RAM Commander is modular software allowing a customer the flexibility of gradual addition of the modules to the package in accordance with the requirements of a project or the budget constraints. List of RAM Commander modules contains Reliability, Maintainability, RBD, Fault Tree Analysis, Event Tree Analysis, Safety Assessment, Spare Parts optimization, Derating, FMECA and Testability Analysis, Process&Design FMEA and more.

 

Table below provides brief information about software modules:

Module

Description

Basic (Reliability Prediction and Analysis)

Reliability Calculation for Operating and Non-operating state, using more than 25 reliability prediction standards such as MIL-STD-217, FIDES, BELLCORE, GJB299, Telcordia, NSWC, NPRD-95 and more). Reliability data libraries. Reliability analysis using reports, Pareto, Temperature Curve, Mission Profile and more.

Import Wizard

Customizable BOM import from ASCII, Access, Excel

Report Generator

Customizable user-defined reports generator for BOM, reliability, maintainability, FMECA, ILS and more

RBD

Reliability Block Diagram analysis module for reliability modelling of serial, parallel, K-out-of-N (partially loaded, with.without switch, with/without repair) redundancy configurations. Monte Carlo simulation, MTBCF  calculation.

Markov

Markov chains analysis for steady-state and time-dependent mode.

Maintainability Prediction

Maintainability analysis according to MIL-STD-472 Procedure A, maintenance analysis, RCM Module, MSG-3

Spare parts

Spare parts calculation and optimization, based on two cost optimization criteria: Total No Shortage Probability & Availability. Integrated with Reliability and Maintainability modules.

Derating/Stress Analysis

Analyze overstress of components under current temperature conditions. The module provides a tool to define Derating curves and identify overstressed components, i.e., those working under stress exceeding the specified rating value.

FMECA

Failure Modes, Effects and Criticality Analysis according to MIL-STD-1629 and other standards. Hardware and functional FMECA, Testability Analysis.

Process/Design FMEA

Potential Failure Mode and Effects Analysis (FMEA) described by AIAG, QS-9000, SAE J 1739, IEC 60812, JEP131 and other standards, sometimes called "automotive" or "AIAG" (Automotive Industry Action Group) FMEA.

FTA

Fault Tree Analysis - builing Fault Trees, Minimal Cut Sets generation and Unavailability calculation. Integrated with Product tree/Reliability/Maintainability/FMECA modules.

ETA

Event Tree Analysis. Integrated with Product tree/Reliability/Maintainability/FMECA/FTA modules.

Safety

Safety assessment module performing tasks required by safety standards like SAE ARP 4781, MIL-STD-882 and others. FHA, PHA, SSA, SHA, O&SHA analysis. Integrated with Product Tree, FMECA and FTA modules.

MMEL

Master Minimum Equipment List (MMEL) is a document which lists the equipment that may temporarily be inoperative, subject to certain conditions, whilst maintaining an acceptable level of safety as intended in the applicable documents.MMEL analysis is required for all aircraft manufacturers to certify aircraft safety in different aviation authorities such as FAA, EASA etc.RAM Commander integrated MMEL module supports Master Minimum Equipment List generation using Reliability, FMECA, FHA (Safety) and FTA modules results.

 

All the modules are integrated into single software package and stored in a single database.

Each RAM Commander project (database) is a briefcase of different analysis types performed by the modules stated above, for specific product, device or system:

ProjectOverview

 

Customer may purchase license for any subset of available modules.