Presentation from January 7, 2002

8/9/2019 Presentation from January 7, 2002

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Advanced

Systems

ISEE

Integrated Systems Engineering Environment

An Interactive On-line Systems Engineering / Management Tool for use by

Programs Managers and Engineers

January 7, 2002

INCOSE - Northern Virginia Chapter

David C. Meshel

Senior Staff Systems Engineer

NG-LAS5115 Calvert Road

College Park, MD 20740

(301) 454-9238

[email protected]


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Advanced

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DCM

Mandate - Develop a Standard Systems Engineering

Process

What are we doing now? Adhoc processes on each program - Some good, some bad, all

different

What do we need to do? Come up with a consistent process

Not a mandated document exercise, some thing we can use

Add the items each program isn't doing now to complete the total

process

Move to mapping effort to CMMI certification

Match to and incorporate existing SW SEI Level 3 certification and ISO

Procedures

Roll out a process that can be used by everybody ( Big and Small) and forall new proposal activities Process and associated documentation hosted on central server

Available on-line

Access by all company personnel

Interactive

Tailorable for specific program needs


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Systems Engineering / Software Engineering

Standards - Quagmire Chart


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Advanced

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DCM

Systems Engineering IPT as the Focal

Point

TestEngineeringProcurement

ManufacturingProduct Assurance

SecurityFacilities

Human Resources

PMFinance

ContractsMarketing

Systems Engineering coordinates the activities between the major organizations

Public andRegulatoryAgenciesPolitics

SYSTEMS

ENGINERING


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Keys to Success

Integrated Systems Engineering Environment Approach:

Must be totally integrated into the way of doing business

Must have Top Management approval

Must have Program approval

Must involve the domain experts (functional organizations)

Must involve the Customer(s)


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Integrated Systems Engineering Environment

- Major Elements

AND

SE.1

Technical Program Planning and

Control

SE.2

Systems Engineering Process

Cycle

SE.3

Systems Engineering Functions

AND

WhyWhyWhatWhatWhenWhen

WhoWho

HowHowWhereWhere

Technical Program Planning andControl

Guidelines on program acquisition

phase

Defines acquisition phase transition

milestones (design reviews)

Defines deliverables for each

milestone Guidelines on IPT charters,

composition and responsibilities

Systems Engineering Process Cycle Defines the systems engineering

process for each phase of the

product lifecycle Defined inputs / outputs (products)

for each process step

Systems Engineering Functions Defines the people skills required for

each systems engineering function


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Advanced

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Technical Program Planning And

Control as Modeled

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Model describes acquisitionphases for

DOD Programs

NASA Program

Commercial Program (TBD)

Model has procedures andprocesses that are common across

any type of program

Work Breakdown Structure

SEMP / IMP

SEMS / IMS

Program Reviews

IPT Structures

Others (TBD)


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EIA/IS-632 Systems Engineering Process -

Dec 94

Requirements Analysis Analyze Missions & Environment Identify Functional Requirements

Define / Refine Performance &Design Constraint Requirements

Functional Analysis / Allocation Decomposition to Lower-Level Functions Allocate Performance & Other limiting Requirements

to Lower-Level Functions Define / Refine Functional Interfaces (internal /

External) Define / Refine / Integrate Functional Architecture

Systems

Analysis

& Control

Select PreferredAlternatives

Trade-off Studies Effectiveness Analysis

Risk Management Configuration

Management Interface Management

Data Management Performance-Based

Progress Measurement- SEMS

- TPMs- Technical Reviews

Requirements Loop

Design Loop

Verification

Process Input Customer Needs /

Objectives /

Requirements- Mission /

Operations- Measures of

Effectiveness- Environments

- Constraints Technology Base

Prior Output Data Program Decision

Requirements Requirements from

Tailored Standards& Specifications

Integrated Decision Database Decision Support Data

System Functional & Physical Architectures Specifications & Baselines

Balanced System Solution

Process

Output

Synthesis Transform Architectures (Functional to Physical) Define Alternate Product Concepts

Define / refine Functional Interfaces (Internal / External) Define Alternative Product & Process Solutions


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ANSI/EIA-632-1998 Relationship of Process for

Engineering a System

SystemProducts

Technical Management

PlanningProcess

AssessmentProcess

ControlProcess

Acquisition& Supply

SupplyProcess

AcquisitionProcess System

Design

RequirementsDefinition Process

Solution DefinitionProcess Product

Realization

ImplementationProcess

Transition to UseProcess

Technical Evaluation

SystemsAnalysis

Process

RequirementsValidation

Process

SystemVerification

Process

End ProductValidation

Process

Requirements

Designs

Products

Acquisition

Request


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Systems Engineering Process Cycle

OPERATIONALNEEDSAND

REQUIREMENTS

1. DEFINEENVIRONMENT

2. DEFINESYSTEM

BOUNDRIES

3. IDENTIFYATTRIBUTESTOSUPPORTOBJECTIVES

4. ESTABLISHFUNCTIONAL

BASELINE

5. CONDUCTSYSTEM

RQMTS. REVIEW

DESIGNREFERENCE

MISSION

SYSTEMDESCRIPTIONINTERFACES

SYSTEMANALYSIS

TOP LEVELPERFORMANCE

REQUIREMENTS

FUNCTIONALBASELINE

GEO-ECOMONICALTERNATIVES

AFFORDABILITYBOUNDRIES

ID KEYCOSTATTRIBUTESAND RELATIONSHIPS

CONDUCTLCC ANDCAIV TRADE-OFFS

Requirements Engineering

Process

Technologies

ExistingDesigns Existing

Facilities

Customer/

User Needs

ExternalInfluences

Process

Inputs

Product Process System Facility

Process

Output

Systems

Integration

& Controls

Process Inputs

Integration, Test andVerification

Loop

DesignLoop

RequirementsLoop

Screened Alternatives

Development and Analysis of

Alternatives

Models & Simulations Selected Alternatives

Identified AlternativesVerification

Matrix

PlansRevie

#

s

Specifications

Verification and

Implementation

Test Reports

Manufacturing & Integration

HW - SW

Build and TestLoop

System Design & DevelopmentDevelopment of Baselines

Rqmts

Fncts

Archtr.Allocated

Baseline

Product

Baseline

Allocation

Politics &Market


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Requirements Engineering Process

Define customer needs Identify requirements Decompose requirements to

appropriate working level

Identify top-level functions Decompose functions toappropriate working level

Integrate functional interfaces Define performance measures of

effectiveness

Identify Systematic Risks

Inputs

Customer / UserNeeds

- PerformanceRequirements

- SystemExternalInterfaces

- Environmental

Requirements External

Influences- Federal

Regulations- Navy Orders- Standards- Available

Funding

Top Level SystemRequirements

Requirements Traceability

Matrix System Concept of

Operations Functional Architecture System Functional Block

Diagram System External Interfaces Life Cycle Cost Objectives Verification Methodology

Programmatic Risks Technical Performance

Measures Logistics Program Systems

Engineering MasterSchedule

Preliminary Models /Simulations

Perform Systems Requirements

Analysis and Functional Allocation

OutputsPolitics &

Market Place

Rules, Orders,

Regulations,

Standards

ProgramRequirements

OPERATIONALNEEDSAND

REQUIREMENTS

1. DEFINEENVIRONMENT

2. DEFINESYSTEM

BOUNDRIES

3. I DENTIFYATTRIBUTESTOSUPPORTOBJECTIVES

4. ESTABLISHFUNCTIONAL

BASELINE

5. CONDUCTSYSTEM

RQMTS. REVIEW

DESIGNREFERENCE

MISSION

SYSTEMDESCRIPTIONINTERFACES

SYSTEMANALYSIS

TOPLEVELPERFORMANCE

REQUIREMENTS

FUNCTIONALBASELINE

GEO-ECOMONICALTERNATIVES

AFFORDABILITYBOUNDRIES

ID KEYCOSTATTRIBUTESAND RELATIONSHIPS

CONDUCTLCC ANDCAIV TRADE-OFFS

Requirements Engineering

Process


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Development and Analysis of Alternatives

Identify and developalternatives (designs /

concepts)

Verify compatibility ofprogram interfaces

Ensure traceability between

program requirements andfunctions

Identify, quantify, mitigateand track risks

Reconcile cost, schedule,and scope issues

Inputs

System Designsand Concepts

Internal / ExternalInterface Designs /

Requirements Identified Technical,

Schedule and Cost

Risks Detail Cost and

SchedulesEstimates

Identified CriticalTechnologies and

Processes Prime Item

PerformanceSpec(s)

System Test Plan

Outputs


System Concept ofOperations

Functional Architecture System Functional

Block Diagram System External

Interfaces Life Cycle Cost

Objectives Verification

Methodology Programmatic Risks Technical Performance

Measures Logistics Program Systems

Engineering MasterSchedule

Existing Designs Available Technologies Available Facilities



AlternativesModels & Simulations Selected Alternatives

Identified Alternatives


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Typical Systems Engineering Functions

Life Cycle CostAnalysis

Affordability Design - to - Cost

Life Cycle Cost Cost as Independent

Variable

SystemsAnalysis

Concept of Operations Mission Utility Studies

and Trades BMC4I

SystemsArchitecture

Communications Architecture Command & Control Architecture

Data Processing Architecture Functional Allocations

Functional Architecture

RiskManagement

Risk Assessment Risk Mitigation

Risk Tracking Risk Monitoring

Modeling andSimulation

System Test andVerification

OperationalSite Integration

Training and ToolDevelopment

RequirementsDevelopment

and Analysis

Analysis Database

Identification Interfaces

Specifications

System Designand Integration

Configuration Control Integration

P4I Performance

Synthesis TPMs

Trade Studies

SoftwareDevelopment

Software EngineeringEnvironment Tools

Software DevelopmentPlan

Software Specifications(CSCIs)

SpecialtyEngineering

Dependability / Durability / Reliability EMI/EMC

Fault Tolerance Human Factors

Logistics / Supportability Maintainability

Parts, Materials & Processes Producibility

Safety Security

Survivability / Vulnerability

Testability

Hardware - In - Loop 6 Degrees of Freedom

Computer - In - loop System End - to - End Simulation

Requirement Verification Matrix System Test Planning

System Test Methods & Procedures

CASE ToolImplementation

SE Training

Shipboard Systems Aircraft Systems

Spacecraft Systems Tactical Systems


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Tools Provides Guidance for each

Function / Process

Each function / process providesguidance and/or specific instructions Description

CMMI compliance criteria

Inputs to process

Outputs from process

Requirements and/or guidance criteria

Verification Metrics

Process document can be

extracted from the tool using a

script


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Integrated Systems Engineering

Environment - Results

Design Engineering Logistics and Field

Support Manufacturing Product Assurance Program Controls

Software Engineering Systems Engineering Test Engineering

Design Engineering Logistics and Field

Support Manufacturing Product Assurance Program Controls

Software Engineering Systems Engineering Test Engineering

Functional

OrganizationProcesses

Functional

OrganizationProcesses

ProgramManagement

ProgramManagement

Deliverables Schedules Requirements

Deliverables Schedules Requirements

Company

Administration

Policies and Procedures

Company

Administration

Policies and Procedures

Facilities Procurement Safety

Security

Facilities Procurement Safety

Security

ISEE ServerApplication &

Database Standard Processes

and Procedures Common (Tailorable)

Program Plan CMMI / ISO Process

Metrics

Standard Processesand Procedures

Common (Tailorable)Program Plan

CMMI / ISO ProcessMetrics

CMMI

CompliantProcess

CMMI

CompliantProcess


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DCM

Back-up Charts


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DCM

Systems Engineering Benefits

1. Decomposing top-level requirements into workable lower-levelspecifications and guidelines provides a framework for integrated product

development.

2. Reporting programmatic changes to the program team, and assessing and

integrating the impact of those changes back into established baselines

ensures that there are no surprises in the development of products andservices.

3. Integrating various engineering resources ensures products and services

will perform as intended and meet customer requirements.

4. Eliminating repetitive efforts reduces program costs and expeditesschedules.


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Systems Engineering Benefits (contd)

5. Establishing a basis for informed decision making results in defensibledecisions and increased customer acceptance of products and services.

6. Delegating many of the product analyses and integration activities to

Systems Engineering allows program managers to more effectively focus

on key issues and customer interfaces.


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Systems Engineering References

Electronics Industry Association: EIA/IS 632 Systems Engineering - VersionDec 94

IEEE Standard for Application and Management of the Systems EngineeringProcess - P1220-1998

Program Executive Office - Theater Air Defense (PEO(TAD)) - SystemsEngineering Plan: Volume I - Systems Requirements Engineering

MIL-STD-1521B Technical Program Reviews DoD instruction 5000.2-R3 Mandatory Procedures for Major Defense

Acquisition Programs

Defense Systems Management College: Systems Engineering Fundamentals Lockheed Martin Missiles and Space Company, Code 66 Systems

Engineering Manual

International Council On Systems Engineering (INCOSE) publications andtechnical papers

Johns Hopkins University, Applied Physics Laboratory - SystemEngineering Principles and Practice - A Guide to the Engineering of

Complex Systems

Carnegie Mellon University Software Engineering Institute (SEI) publications


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System Design and Development

Collect parametric data Establish technical and cost baseline

Perform sensitivity and trade analyses

Provide documentation that allowsinformed customer and management

decision-making

Establish formal configuration controlof technical data package

Optimize alternatives

Perform decision analyses

Optimize solution

Prototyping

Inputs

System Designs andConcepts

Internal / ExternalInterface Designs /

Requirements Identified Technical,

Schedule and CostRisks

Detail Cost andSchedules

Estimates Identified Critical

Technologies andProcesses

Prime ItemPerformanceSpec(s)

System Test Plan

Outputs

Detail Designs

Internal / ExternalInterface Designs

Refined Models /Simulations

PerformanceAssessment

Risk MitigationPlans

Detail Cost and

Schedules SelectedTechnologies andProcesses

Product Specs

(B, C and D) Subsystem Test

Plans



AlternativesModels & Simulations Selected Alternatives

Identified Alternatives


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Fabrication & Integration

Establish Bill of Materials

Procurement of parts, materials

and Processes

Fabrication of parts and

components

Build, Code and Unit Test

Software Assemble components,

subsystems and system

elements

Update technical data package

Integrate hardware and software

Detail Designs Internal / External

Interface Designs Refined Models /

Simulations Performance

Assessment Risk Mitigation

Plans Detail Cost and

Schedules Selected

Technologies andProcesses

Product Specs (B, Cand D)

Test Plans

Comprehensivetechnical datapackage

System, Subsystem,and component testplans and

procedures As-built

configuration list Risk Mitigation

Reports

Inputs

Outputs

Manufacturing & IntegrationHW - SW


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Verification and Implementation

Define verification and test

criteria and requirements

Reconcile verification andtesting with baseline

requirements

Execute test plans andprocedures

Ensure verification and testingis completed

Perform test and design reviews

Support implementation ofproduct


Prime ItemPerformance Spec(s)

Subsystem andComponent Spec(s)

System Concept ofOperations

FunctionalArchitecture

System FunctionalBlock Diagram

VerificationMethodology

Inputs Outputs

Test Requirements Test Procedures Test Equipment

Requirements Packaging,

Handling, Shipping& Transportation

Equipment Facility

Requirements Test Reports GFE Requirements

VerificationMatrix

PlansRevie

s

Specifications

Verification and

Implementation

Test Reports


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SEMP, SEMS& SEDS

EVMSPerformanceMeasurementBaseline

CCB Recordof Decisions

ConflictResolution

RiskAssessments

& MitigationPlans

PerformanceAssessmentReports

System Integration and Control

Integrate technical system interfaces

Integrate technical and administrativeinterfaces

Develop and maintain SEMP, SEMS & SEDS(program planning)

Support configuration management

Conduct Risk Management

Coordinate and conduct technical reviews

Provide system data for effective decisionmaking

Cost as Independent Variable Analysis

Technical Performance Measurement

Specialty Engineering Integration

System andSubsystem

Designs

External SystemInterface Designs /Requirements

CustomerScheduleRequirements

System &SubsystemRequirements

Contract, Funding& SOWRequirements

Deliverables(CDRLs)

Design /RequirementsChange Requests

Requests forAction Items

Inputs

Outputs

SystemsIntegration

& Controls


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Systems Engineering Management Plan

and Schedules

Systems Engineering Management Plan (SEMP) Defines Systems Engineering methodologies: how to processes

Defines the products of the processes

Defines the pass / fail criteria for each process / product

Systems Engineering Master Schedule (SEMS) Identifies the top level milestones

Identifies the significant accomplishments that determine the milestones

Assigns each significant accomplishment to a WBS element

Identifies interdependencies (predecessors and successors) for each

significant milestone

Compatible with Earned Value Management Systems (EVMS) process (Work

packages and activity data sheets)

Systems Engineering Detail Schedule (SEDS) Identifies the criteria that determine the significant accomplishment

Identifies the specific tasks that accomplish the criteria

Assigns each criteria and task to a WBS element

Compatible with EVMS process

Identifies the critical path


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Program Implementation of ISEE

ISEE also is used to capture

program specific engineering data

ISEE provides the capability to

capture all the system

requirements and associated

rationale

capture system architecture

capture top to mid level design

data (physical architecture)

capture verification

methodologies and plans

capture cost

provides traceability of

information throughout the

system.

ISEE documents the results of theSystems Engineering Processes

SpecificationsTraceability Matrix

Test MethodsTest Procedures

Data

CAIV AnalysisCost Analysis

SystemDescription

CONOPS

Behavioral Model

Products

Requirements

VerificationMethodology

WBSCost

PhysicalArchitecture

FunctionalBehavior

Processes

Verifies Specifies

Allocatedto

CostsCosts


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ISEE Database Schema - Baseline

specifies

Function

SystemFunctions

Component

SystemComponents

specifies

allocated to

Categories

Category

categorizes

Test Events

VerificationEvent

verified by

Test Methods

& Procedures

Test Procedures

defines

tested by

Test Requirements

Verification Requirementverifies

Statement of WorkCustomer Requirements

AnnexesAttachments

Clauses &Schedules

incorporates

Requirements

ContractorDerived

Requirements

Test Report

Document

documented

by

Test Resources& Equipment

Test Configuration

configuration for

implemented

by

Risks

Risk

Issues

Issue

caused by generated by

Categories, Risks and Issues can be

attributes linked to any database element

CustomerClarifications

Clarifications

clarifies

traces to

Cost

WBS

costs

costs

Item Specs

Document

documented by

The Systems Engineering Process defines the baseline schema and its implementation

Presentation from January 7, 2002

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