VDHL programming and software for LLRF and results from tests - - PowerPoint PPT Presentation

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VDHL programming and software for LLRF and results from tests - - PowerPoint PPT Presentation

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VDHL programming and software for LLRF and results from tests Waldemar Koprek LLRF 2005 - Geneva Client application PC PC-Windows ethernet MATLAB IID server PC I nternal IID interpreter I nterface D efinition VME channel for EPP-VME

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SLIDE 1

VDHL programming and software for LLRF and results from tests

Waldemar Koprek

LLRF 2005 - Geneva

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SLIDE 2

Client application

VME

VME channel for EPP-VME ethernet IID interpreter IID server VME channel component Internal Interface Cavity simulator Controller MATLAB

PC-Windows

FPGA

PC PC Internal Interface Definition File

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SLIDE 3

VHDL components

  • Multi cavity controller
  • One cavity simulator

CONTROLLER

NxADC

CAVITIES SIMULATOR CAVITY 1

I Q

FPGA

vector sum

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SLIDE 4

CAVI TY 1 CAVI TY 8

Set-Point Table Feed-Forward Table

+

GAIN Table

  • +

FPGA CONTROLLER

Calibration Offset

DAC1 ADC1

SI MCON 3.0 BOARD – FI RMWARE 3.0.1

I Q

I/Q detector Rotation Matrix Calibration Offset

ADC8

I Q

I/Q detector Rotation Matrix

... ... ... ...

VECTOR SUM

I Q I Q I Q I Q I Q I Q I Q I Q I Q I Q

DAC2

Rotation Matrix

VECTOR MODULATOR

Timing & Control Module Digital Input 1 Digital Input 2

TI RGGER 1MHz

  • +

I Q

  • +

I Q | I | | Q|

I> 0 or Q> 0

I Q BI S AND/ OR RF GATE

Offset Error Table Digital Output 1

x

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SLIDE 5

Total 20kB within

  • ne pulse

2048

DATA ACQUISITION SUBSYSTEM in SIMCON 3.0

DAQ1 DAQ2 DAQ3 DAQ4 DAQ5 DAQ6 DAQ7 DAQ8 DAQ9 DAQ10 PROGRAMMABLE MULTI PLEXER 52 SI GNALS FROM I NTERNAL LOGI C

. . . . . .

VMEbus

CONTROLLER DOOCS & MATLAB

V M E

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SLIDE 6

TEST of SIMCON

  • December 2004 – CHIECHIA in DESY –

SIMCON 2.1

  • April 2005 – FNAL module A0– SIMCON

2.1

  • May, July 2005 – VUV-FEL in DESY,

module ACC1 – SIMCON 3.0

  • September 2005 – VUV-FEL in DESY, RF-

GUN – SIMCON 3.0

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SLIDE 7

TEST in DESY MODULE ACC1

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SLIDE 8

TEST IN ACC1

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SLIDE 9

TEST IN DESY - RF-GUN

  • Driving with feed forward and feedback
  • Stabilization of sum of forward and

reflected power

  • Stability of the beam phase – rms= 0.159

deg

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SLIDE 10

PLAN - hardware

  • Running SIMCON 3.1 in ACC1 in VUV-FEL
  • Running SIMCON 3.1 in RF-GUN in VUV-

FEL

  • SIMCON 3.1 Operational at PITZ RF Gun
  • SIMCON 3.1 at FNAL
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SLIDE 11

PLAN - firmware

  • Implementation of Adaptive Feed Forward

algorithm in FPGA between pulses

  • On-line calculation of detuning and driving

piezo-system

  • Implementation of different controllers –

self-excited loop

  • Implementation of control algorithms in

PowerPC