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Ingegneria Dei Sistemi S.p.A Ingegneria Dei Sistemi EMACS VORSTAT WorkFlow Statistical Approach to Wind-Farm’s Impact Evaluation on VOR Systems Marcello Davide Mannino - Air Navigation Division- Area Manager Aeronautical AIM/AIS Systems EM Analysis Solutions for Civil and Military Agencies Via Flaminia, 1068 - 00189 Rome Italy Phone: +39 06 33217 452 Fax: +39 06 33217 431 [email protected]

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Page 1: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

Ingegneria Dei Sistemi

EMACS VORSTAT WorkFlow

Statistical Approach to Wind-Farm’s Impact Evaluation on VOR Systems

Marcello Davide Mannino -Air Navigation Division- Area ManagerAeronautical AIM/AIS Systems EM Analysis Solutions for Civil and Military Agencies

Via Flaminia, 1068 - 00189 Rome ItalyPhone: +39 06 33217 452Fax: +39 06 33217 [email protected]

Page 2: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 2

VORSTAT Receiver• It is a STATistical VHF Omnidirectional Range Receiver which allows

the evaluation of the bearing error detected by an aircraft inpresence of a Wind-Farm installation

• It takings into account the Wind-Turbines’ blades rotation whichdepends by some factors:

– Mechanical and Geometrical Characteristics

– Wind Speed

– Wind Direction

• It includes a modellation of physical phenomena related to:

– Doppler Modulation

– ElectroMagnetic CG’s Offset

– Bistatic RCS (ACCURATE E.M. Solvers)

• It includes a FAST methodology which allow a reduction of thecomputational load

Page 3: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 3

EMACS VORSTAT WorkFlow1. VOR System Definition:

1. Antenna Model Construction

2. Antenna Installation

2. Wind-Farm Definition:

1. Wind-Turbines’ Wind Responses Creation

2. Wind-Turbines’ Models Creation

3. Wind-Turbines Installation

4. Wind-Farm Creation

3. Scenario Definition:

1. Site Model Creation

2. Composed Model Creation (Site Model + Wind-Farm)

3. Wind Statistic Creation

Page 4: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 4

EMACS VORSTAT WorkFlow (Cont)4. Static Bearing Error Analysis:

1. Static Analysis Parameters Definition

2. Static Analysis Execution (Distributed Computation)

3. Static Analysis Result Visualization

5. Dynamic VORSTAT Analysis:

1. Preliminary Analysis Execution (Optional)

a.Wind-Turbines’ Visibility w.r.t. VOR’s Position

b.Wind-Turbines’ on Domain Dynamic Impact

c.Wind-Turbines’ Sectorial Dynamic Impact

2. VORSTAT Analysis Parameters Definition

3. VORSTAT Analysis Execution (Distributed Computation)

4. VORSTAT Analysis Result Visualization

a.IDS Graphics

b.Google Earth

Page 5: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 5

EMACS VORSTAT WorkFlow

Page 6: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 6

VOR System Definition

1. Antenna Model Construction

2. Antenna Installation

Page 7: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 7

VOR System Definition (Cont)

1. Antenna Model Construction

2. Antenna Installation

Page 8: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 8

Wind-Farm Definition1. Wind-Turbines’ Wind Responses Creation

2. Wind-Turbines’ Models Creation

3. Wind-Turbines Installation

4. Wind-Farm Creation

Page 9: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 9

Wind-Farm Definition (Cont)1. Wind-Turbines’ Wind Responses Creation

2. Wind-Turbines’ Models Creation

3. Wind-Turbines Installation

4. Wind-Farm Creation

Hinge

Page 10: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 10

Wind-Farm Definition (Cont)1. Wind-Turbines’ Wind Responses Creation

2. Wind-Turbines’ Models Creation

3. Wind-Turbines Installation

4. Wind-Farm Creation

Page 11: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 11

Wind-Farm Definition (Cont)1. Wind-Turbines’ Wind Responses Creation

2. Wind-Turbines’ Models Creation

3. Wind-Turbines Installation

4. Wind-Farm Creation

Page 12: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 12

Scenario Definition1. Site Model Creation

2. Composed Model Creation (Site Model + Wind-Farm)

3. Wind Statistic Creation

Page 13: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 13

Scenario Definition (Cont)1. Site Model Creation

2. Composed Model Creation (Site Model + Wind-Farm)

3. Wind Statistic Creation

Page 14: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 14

Scenario Definition (Cont)1. Site Model Creation

2. Composed Model Creation (Site Model + Wind-Farm)

3. Wind Statistic Creation

Page 15: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 15

Scenario Definition (Cont)1. Site Model Creation

2. Composed Model Creation (Site Model + Wind-Farm)

3. Wind Statistic Creation

Page 16: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 16

Static Error Bearing Analysis1. Static Analysis Parameters Definition

2. Static Analysis Execution (Distributed Computation)

3. Static Analysis Result Visualization

Page 17: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 17

Static Error Bearing Analysis (Cont)1. Static Analysis Parameters Definition

2. Static Analysis Execution (Distributed Computation)

3. Static Analysis Result Visualization

Page 18: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 18

Static Error Bearing Analysis (Cont)1. Static Analysis Parameters Definition

2. Static Analysis Execution (Distributed Computation)

3. Static Analysis Result Visualization

Page 19: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 19

Static Error Bearing Analysis (Cont)1. Static Analysis Parameters Definition

2. Static Analysis Execution (Distributed Computation)

3. Static Analysis Result Visualization

Page 20: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 20

Static Error Bearing Analysis (Cont)1. Static Analysis Parameters Definition

2. Static Analysis Execution (Distributed Computation)

3. Static Analysis Result Visualization

Page 21: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 21

Dynamic VORSTAT Analysis

Displays the VOR’s actual CAD position and the positionwhich it has when was executed the selected staticanalysis

Contains the list of bearing error static analyses executedon a composed scenario for the selected VOR andsuccesfully terminated

Dynamic VORSTAT Analysis parameters

Dynamic VORSTAT Analysis execution

Contains the list of dynamic VORSTAT analyseslaunched starting from the actually selected static bearingerror analysis allowing a partial or a complete resultvisualization

Page 22: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 22

Dynamic VORSTAT Analysis (Cont)

Page 23: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 23

Dynamic VORSTAT Analysis (Cont)

Page 24: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 24

Dynamic VORSTAT Analysis (Cont)

Page 25: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 25

Dynamic VORSTAT Analysis (Cont)1. Preliminary Analysis Execution (Optional)

2. VORSTAT Analysis Parameters Definition

3. VORSTAT Analysis Execution (Distributed Computation)

4. VORSTAT Analysis Result Visualization

Page 26: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 26

Dynamic VORSTAT Analysis (Cont)1. Preliminary Analysis Execution (Optional)

a.Wind-Turbines’ Visibility w.r.t. VOR’s Position

b.Wind-Turbines’ on Domain Dynamic Impact

c.Wind-Turbines’ Sectorial Dynamic Impact

Page 27: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 27

Dynamic VORSTAT Analysis (Cont)1. Preliminary Analysis Execution (Optional)

a.Wind-Turbines’ Visibility w.r.t. VOR’s Position

b.Wind-Turbines’ on Domain Dynamic Impact

c.Wind-Turbines’ Sectorial Dynamic Impact

Hypotheses

Our algorithm assumes that:

• the analysis is led in the far field region, therefore• each observer point (at the receiver side) is quite far from the VOR antenna and from the wind-farm,• the wind-farm is quite far from the VOR antenna,

• wind turbine blades are modeled as a material point placed on the blade tip (no SRF models),• the rotor coordinates are considered as the reference points of each wind turbine,• only one scattered ray (from the blade tip of each wind turbine) is considered in the analysis,• only the AM component of a VOR signal is taken into account,• only the AM channel of a VOR receiver is analyzed,• wind directions are not included in the analysis,• the wind speed is computed as the weighted mean of the selected wind statistics.

Page 28: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 28

Dynamic VORSTAT Analysis (Cont)1. Preliminary Analysis Execution (Optional)

a.Wind-Turbines’ Visibility w.r.t. VOR’s Position

b.Wind-Turbines’ on Domain Dynamic Impact

c.Wind-Turbines’ Sectorial Dynamic Impact

Limitations

The WT Analyser does not take into account the following contributions:

• scattered rays coming from static obstacles, such as orography or manmade obstacles,• wind turbine towers are neglected,• no additional interferences are considered,• no distinction between CVOR and DVOR signals is done,• the proposed algorithm only takes into account the worst case (for each wind turbine is computed the potentially

worst impact in the set of analyzed points).

Page 29: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 29

Dynamic VORSTAT Analysis (Cont)1. Preliminary Analysis Execution (Optional)

a.Wind-Turbines’ Visibility w.r.t. VOR’s Position

b.Wind-Turbines’ on Domain Dynamic Impact

c.Wind-Turbines’ Sectorial Dynamic Impact

Page 30: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 30

Dynamic VORSTAT Analysis (Cont)1. Preliminary Analysis Execution (Optional)

a.Wind-Turbines’ Visibility w.r.t. VOR’s Position

b.Wind-Turbines’ on Domain Dynamic Impact

c.Wind-Turbines’ Sectorial Dynamic Impact

Page 31: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 31

Dynamic VORSTAT Analysis (Cont)1. Preliminary Analysis Execution (Optional)

a.Wind-Turbines’ Visibility w.r.t. VOR’s Position

b.Wind-Turbines’ on Domain Dynamic Impact

c.Wind-Turbines’ Sectorial Dynamic Impact

Page 32: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 32

Dynamic VORSTAT Analysis (Cont)1. Preliminary Analysis Execution (Optional)

2. VORSTAT Analysis Parameters Definition

3. VORSTAT Analysis Execution (Distributed Computation)

4. VORSTAT Analysis Result Visualization

Inherited from the chosen static bearing erroranalysis

PO-PTD or ITD depending by the static errorbearing analysis’ method

Page 33: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 33

Dynamic VORSTAT Analysis (Cont)1. Preliminary Analysis Execution (Optional)

2. VORSTAT Analysis Parameters Definition

3. VORSTAT Analysis Execution (Distributed Computation)

4. VORSTAT Analysis Result Visualization

Page 34: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 34

Dynamic VORSTAT Analysis (Cont)1. Preliminary Analysis Execution (Optional)

2. VORSTAT Analysis Parameters Definition

3. VORSTAT Analysis Execution (Distributed Computation)

4. VORSTAT Analysis Result Visualization

a. IDS Graphics

. 1D

. 2D

b. Google Earth

. 1D

. 2D

Page 35: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 35

Dynamic VORSTAT Analysis (Cont)4. VORSTAT Analysis Result Visualization

a. IDS Graphics

. 1D

. 2D

b. Google Earth

Carthesian Graph - Partial Carthesian Graph - Complete

Page 36: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 36

Dynamic VORSTAT Analysis (Cont)4. VORSTAT Analysis Result Visualization

a. IDS Graphics

. 1D

. 2D

b. Google Earth

Carthesian Map - Partial Carthesian Map - Complete

Page 37: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 37

Dynamic VORSTAT Analysis (Cont)4. VORSTAT Analysis Result Visualization

a. IDS Graphics

. 1D

. 2D

b. Google Earth

Polar Map - Partial Polar Map - Complete

Page 38: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 38

Dynamic VORSTAT Analysis (Cont)4. VORSTAT Analysis Result Visualization

a. IDS Graphics

b. Google Earth

. 1D

. 2D

(NOTE: Partial results are not shown in the following)

Page 39: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 39

Dynamic VORSTAT Analysis (Cont)4. VORSTAT Analysis Result Visualization

a. IDS Graphics

b. Google Earth

. 1D

. 2D

(NOTE: Partial results are not shown in the following)

Page 40: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 40

Dynamic VORSTAT Analysis (Cont)4. VORSTAT Analysis Result Visualization

a. IDS Graphics

b. Google Earth

. 1D

. 2D

Page 41: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 41

Dynamic VORSTAT Analysis (Cont)4. VORSTAT Analysis Result Visualization

a. IDS Graphics

b. Google Earth

. 1D

. 2D

Page 42: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 42

Dynamic VORSTAT Analysis (Cont)4. VORSTAT Analysis Result Visualization

a. IDS Graphics

b. Google Earth

. 1D

. 2D

Page 43: Vorstat with EMACS a Workflow

Ingegneria Dei Sistemi S.p.A

All rights reserved to IDS 26-27 April 43

Dynamic VORSTAT Analysis (Cont)4. VORSTAT Analysis Result Visualization

a. IDS Graphics

b. Google Earth

. 1D

. 2D