Difference between revisions of "Sail-by-wire"

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(signalK)
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** pwm_style_pin
 
** pwm_style_pin
 
** ...
 
** ...
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 +
== discussion ==
 +
* https://www.segeln-forum.de/board194-boot-technik/board35-elektrik-und-elektronik/board195-open-boat-projects-org/75477-sail-by-wire-esp32-und-ibt-2/ (german)
 +
* https://signalk-dev.slack.com/archives/C02EU366Y/p1586759016008500 (english)
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* https://www.facebook.com/groups/1666364153609573/permalink/2634203136825665/ (english)
  
 
[[category:Projekte]]
 
[[category:Projekte]]

Revision as of 09:11, 14 April 2020

aim

retrofit propulsion (engine, gearbox) and steering (rudder) with controller based on Sean's work

hardware

  • ESP32 fully featured Microcontroller (< EUR 10,-)
  • IBT-2 BTS7960 based Double-H-Bridge (< EUR 10,-)
  • sensors:
    • angular:
      • 10k Ohm linear pot (as suggested by Sean)
      • off-the-shelf rudder angle sensor 0-190 Ohm
      • rotary encoder
    • position switches:
      • end stop
      • forward/ neutral / reverse
    • current sense:
      • BTS7960 feature
    • over temprature:
      • BTS7960 feature
    • voltage sense
  • power-drive:
    • windshield wiper motor
    • hydraulic pump
    • linear drive
    • ...

commercial products

  • ZF Pod Drives
    • DeviceNet ?
  • Volvo† IPS und Volvo Aquamatic
    • J1939 ?
  • Teleflex Optimus 360 Systems
    • DeviceNet ?
  • Yanmar VC10 und JC10 (Joystick) Control Systeme)
    • DebiceNet ?

toDo

  • explore communication protocols

communication

conceptual layer

remote control via

physical layer

  • on-device via web-server
  • wifi
  • ethernet
  • can-bus
    • nmea2000
    • ...
  • serial
    • Sean's pyPilot
  • bluetooth
  • infrared
  • radio 10kHz

protocol layer

[...] = porposed feature

signalK

  • rudder
    • control
      • /vessels/<RegExp>/steering/rudderAngleTarget
    • feedback
      • /vessels/<RegExp>/steering/rudderAngle
      • /vessels/<RegExp>/steering/[controllerState]
        • [overTemp]
        • [overCurrent]
        • [underVoltage]
        • ....
  • gear
    • control
      • /vessels/<RegExp>/propulsion/<RegExp>/transmission/gear[Target]
    • feedback
      • /vessels/<RegExp>/propulsion/<RegExp>/transmission/gear
      • /vessels/<RegExp>/propulsion/<RegExp>/transmission/[controllerState]
        • ...
  • engine
    • control
      • /vessels/<RegExp>/propulsion/<RegExp>/revolutions[Target]
      • /vessels/<RegExp>/propulsion/<RegExp>/engineLoad[Target]
    • feedback
      • /vessels/<RegExp>/propulsion/<RegExp>/revolutions
      • /vessels/<RegExp>/propulsion/<RegExp>/engineLoad
      • /vessels/<RegExp>/propulsion/<RegExp>/[controllerState]
        • ...

nmea2000

  • rudder
    • control
      • pgn 127237 Heading/Track Control
    • feedback
      • pgn 127245 Rudder
  • gear
    • control
      • NONE
    • feedback
      • pgn 127493 Transmission Parameters, Dynamic
  • engine
    • control
      • NONE
    • feedback
      • pgn 127488 Engine Parameters, Rapid Update
      • pgn 127489 Engine Parameters, Dynamic

Sean's serial

(just a quick shot, details pending ...)

  • rudder
    • rudder_angle_sense
    • port_endstop_pin
    • starboard_endstop_pin
    • controller_temperature
    • motor_temperature
    • voltage_sense
    • shunt_sense_pin
    • low_current_pin
    • clutch_pin
    • led_pin
    • pwm_style_pin
    • ...

discussion