Enhanced Computing for Planetary Exploration Payloads...

ENHANCED COMPUTING FOR PLANETARY EXPLORATION PAYLOADS

MICROMED CENTRAL ELECTRONICSEnhanced Computing for Planetary Exploration PayloadsMicroMED Central Electronics

Alberto Martin-OrtegaSpace Sensors Engineering AreaINTA - Instituto Nacional de Técnica Aeroespacial


MICROMED CENTRAL ELECTRONICS

CONTENT

• INTA’s Strategy for Planetary Exploration (MEREX)• Planetary Exploration Payload Requirements

• State of the Art Micro-Controllers and Processors

• High Configurable Payload Computer• Hardware Building Blocks

• Software Building Blocks

• MicroMED Payload• Central Electronics Board Design

Exomars Atmospheric Science

and Missions Workshop

Alberto Martin-Ortega

[email protected]ä, March 2017 2







To develop a set of resources for the development of low-mass,

low-power electronics for Planetary Exploration

Mars Technology Program (MTP)

NASA

Robotic Exploration Technology Plan

ESA

* MEREX = Miniature Electronic Resources for planetary EXploration

PLANETARY EXPLORATION – INSTRUMENT DEVELOPMENT STRATEGY

MEREX Program







PLANETARY EXPLORATION PAYLOAD SURVEY• Requirements coming from Science

• Sensors (Analogue):

• From a few Hz to several MHz

• From 1 signal to tens

• Current or Voltage

• Actuators:

• Temperature Control

• Laser Control

• Movable Mechanics Control

• Processing:

• From simple acquisition to complex algorithms

• Data compression

• Requirements coming from Platform

• Low mass

• Low power

• Low volume

• High Temperature Variation (140 to 350 K)

• Radiation Tolerance

• High Reliability

• Autonomy (improved operation)

• Updatable

• Adaptable







FEE Front End

Electronics

HIGH SPEED

ACQUISITION

LOW SPEED

ACQUISITION

HIGH SPEEDPROCESSING

HIGH SPEED CONTROL

S

E

N

S

O

R

S

A

C

T

U

A

T

O

R

S

POWER CIRCUITRY

FPGACO-PROCESSOR

FPGACO-PROCESSOR

VOLATILE MEMORY

M

I

C

R

O

-

C

O

N

T

R

O

L

L

E

R Must Be

May Be







MICRO-CONTROLLER SPECIFICATIONSTYPE REQUIREMENT

PROCESSOR Single or dual core

Architecture 16 or 32 bits Bus

Frequency > 16 MHz (80 MHz preferred)

ALU Hardware Multiplier and Divisor

FPU Single or Double Precision

DMA Desirable

MEMORY

Non-Volatile > 128 Kbytes

Volatile > 8 Kbytes

POWER 5.0V or 3.3V

Consumption Reference: 10mW/MHz

TYPE REQUIREMENT

PERIPHERALS

Communication Protocols

2x UART

2x SPI

1x CAN

1x Serial High Speed > 20Mbits/s

ADC 8/10 bits Converter

Digital I/O > 16 Input/Outputs

Other Real Time Clock and Timers

PACKAGE No BGA or CC (CFP preferred)

RADIATION Low susceptible to SEL (immune preferred) at Mars environment.TID > 10 krad.

TEMPERATURE -130ºC to +70ºC (operational)



MICRO-CONTROLLER STATE OF ART





Search for Rad-Hard1Expected Distribution of Micro-Controller by Processing

Capacity

# o

f M

icro

-Co

ntr

olle

rs

Processing Capacity

Real Distribution of Micro-Controllers by Processing Capacity








Search for Rad-Hard

Search for Flight-edParts

1

2








Search for Rad-Hard

Search for Flight-edParts

Search Cryogenic/Extreme

Environments

1

2

3



200 pieces

1 SEL /Mission

1025 cycles

MICRO-CONTROLLER FULL QUALIFICATION





Package Qualification Verification

Heavy IonsSEL and SEFI

Test

Procurement Unique LOT

TID Refinement

Test

High Energy Proton Test

Screening & Qualification

Test

Qualified LOT of Micro-Controllers

for Planetary Exploration

Purposes for the next decade

CURRENT STATUS Q3/2017



HARDWARE BUILDING BLOCKS





Micro-Controller

FPGA

High Speed ADC

Low Speed ADC

Mux

Comm. Drivers

Volatile Memory

General Purpose DAC

Operationals

Amplifiers

Cryogenic

Reliable

Radiation Tolerant



SOFTWARE BUILDING BLOCKS





Hardware Drivers

Serial Protocols (SPI, CAN, UART)

Memory Management

Compression

Image Processing Algorithms

Signal Processing Algorithms

HW/SW Co-design

Error Confinement

Hardware Supervisors

Software Update

Dynamically and Statically Tested

Reliable

Documented



MICROMED CENTRAL ELECTRONICS BOARD• MicroMED’s CEB is based on micro-controller with high speed co-processor

FPGA: • Enhanced processing capabilities• High speed analog acquisition• Self mitigation scheme• Advance motor and laser control capabilities• Power saving modes











MICROMED CENTRAL ELECTRONICS BOARD

FEE Front End

Electronics

HIGH SPEED

ACQUISITION

LOW SPEED

ACQUISITION

HIGH SPEEDPROCESSING

S

E

N

S

O

R

S

A

C

T

U

A

T

O

R

S

POWER CIRCUITRY

FPGACO-PROCESSOR

VOLATILE MEMORYM

I

C

R

O

-

C

O

N

T

R

O

L

L

E

R







MICROMED CENTRAL ELECTRONICS BOARDJAN APR JUL OCT JAN APR JUL

EIS EBB EQM PFM FS

Flight Parts Procurement

and Emulation Campaigns

Up 12 different FFE

On-Board Software Platform

Thank you!!

Enhanced Computing for Planetary Exploration Payloads...

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