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  1. Thread: uNav INS

    by zchklq
    Replies
    709
    Views
    148,096

    who research on Visual navigation aid GPS/INS,...

    who research on Visual navigation aid GPS/INS, can you provide some reference materials?
  2. Thread: uNav INS

    by zchklq
    Replies
    709
    Views
    148,096

    thank you

    thank you for your reply!!
  3. Thread: uNav INS

    by zchklq
    Replies
    709
    Views
    148,096

    How to choose these parameters? Are there any...

    How to choose these parameters? Are there any methods and skills
    // Sensor variances (as standard deviation) and models (tau)
    float aNoiseSigma_mps2 = 0.05f; // Std dev of Accelerometer Wide...
  4. Thread: uNav INS

    by zchklq
    Replies
    709
    Views
    148,096

    :o:rolleyes:

    :o:rolleyes:
  5. Replies
    25
    Views
    2,656

    I send your email ,but no reply,my email...

    I send your email ,but no reply,my email is:nuaalq@qq.com.I'm very interested in your flightcontrol system,so I want to buy it.
  6. Replies
    25
    Views
    2,656

    how to buy flight control system

    i want to buy flight control system,but i don not know how to buy it?
  7. Thread: uNav INS

    by zchklq
    Replies
    709
    Views
    148,096

    why not update ?

    why not update ?
  8. Thread: uNav INS

    by zchklq
    Replies
    709
    Views
    148,096

    what about GPS/INS now?

    what about GPS/INS now?
  9. Thread: uNav INS

    by zchklq
    Replies
    709
    Views
    148,096

    I have the same problem

    I have the same problem
  10. Thread: uNav INS

    by zchklq
    Replies
    709
    Views
    148,096

    About UNAV-INS‘s paper or thesis who have?can you...

    About UNAV-INS‘s paper or thesis who have?can you give me
  11. Replies
    25
    Views
    2,656

    thank you!Brian you mean we must be have an...

    thank you!Brian
    you mean we must be have an inclinometer,and must be conect to flight control system。Do you have a picture about your calibrate-surf or give me some instruction document.
  12. Replies
    25
    Views
    2,656

    Hi Brian I want to use calibate surf,but I donot...

    Hi Brian
    I want to use calibate surf,but I donot know how to use it.
    I saw the code that must be have inclinometer,but inclinometer's data and flight control system how to communication?do you have...
  13. Replies
    25
    Views
    2,656

    how to use calibrate-surf?

    Hi Brian
    I want to use calibate surf,but I donot know how to use it.
    I saw the code that must be have inclinometer,but inclinometer's data and flight control system how to...
  14. Thread: uNav INS

    by zchklq
    Replies
    709
    Views
    148,096

    what about unav INS now?

    Unav INS do not update now?
  15. Thread: uNav INS

    by zchklq
    Replies
    709
    Views
    148,096

    now,what about unavins

    now,what about unavins
  16. Thread: uNav INS

    by zchklq
    Replies
    709
    Views
    148,096

    I need it thank you very much

    I need it thank you very much
  17. Thread: uNav INS

    by zchklq
    Replies
    709
    Views
    148,096

    want to use EKF_15State_quat,but I have some...

    want to use EKF_15State_quat,but I have some problem,why select F and G matrix like this?could you tell me some reference paper ,so I can to understand it easy.
    // JACOBIAN
    F = mat_fill(F,...
  18. Thread: uNav INS

    by zchklq
    Replies
    709
    Views
    148,096

    I want to use EKF_15State_quat,but I have some...

    I want to use EKF_15State_quat,but I have some problem,why select F and G matrix like this?could you tell me some reference paper ,so I can to understand it easy.
    // JACOBIAN
    F = mat_fill(F,...
  19. Thread: uNav AHRS

    by zchklq
    Replies
    920
    Views
    155,448

    H_ahrs = [ -skew(gn) , 0] // [0, 0, hn_x...

    H_ahrs = [ -skew(gn) , 0]
    // [0, 0, hn_x , 0]
    // Populate accel-based measurement - Upper 3x6
    // Negative skew symmetric of the gravity accel vector in NED frame [0, 0, 9.81]...
  20. Thread: uNav AHRS

    by zchklq
    Replies
    920
    Views
    155,448

    while select H matrix like this?

    H_ahrs = [ -skew(gn) , 0]
    // [0, 0, hn_x , 0]
    // Populate accel-based measurement - Upper 3x6
    // Negative skew symmetric of the gravity accel vector in NED frame [0, 0, 9.81]...
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