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The DIDO Quiz
by Staff
DIDO is helping machines think by turning large amounts of data on ever-changing conditions into a sequence of best responses. Take the quiz to see how much DIDO you know.

What organization markets the DIDO software?

  • Elissar Global
  • NASA
  • IBM

What is Dido's Problem?

  • a logic problem dealing with conditionals
  • a calculus problem dealing with equations
  • a mathematical problem dealing with areas

Which calculus theory is behind the design of DIDO software?

  • optimal control
  • optimal calculations
  • differential equations

What is the biggest challenge for finding optimal control?

  • not enough time to make calculations
  • ever-changing conditions over time
  • round-off errors

True or False: DIDO software was used successfully on the International Space Station (ISS).

  • True
  • False

Who created DIDO software?

  • Isaac "Mike" Ross
  • Fariba Fahroo
  • Bill Gates

DIDO is ideally suited to solve optimal control problems in autonomous systems. What's an autonomous system?

  • a laptop or desktop computer
  • a robot that can determine its own sequence of instructions
  • a simulator for a given scenario

True or False: DIDO has been used to calculate optimal control for an undersea glider.

  • True
  • False

Besides helping calculate trajectories, what other benefit has DIDO brought to flight control?

  • improved fuel efficiency for aircraft
  • lighter aircraft
  • smaller aircraft

The TRACE satellite was orbiting what object?

  • Earth
  • the moon
  • the sun

How had NASA been slewing objects in space prior to the 2010 TRACE satellite research?

  • in a pre-calculated arc
  • in an arbitrary arc
  • in a straight line

How many zero-propellant maneuvers (ZPMs) were performed on the International Space Station in 2006 and 2007?

  • 1
  • 2
  • 3

DIDO's creator was a professor at what school?

  • U.S. Naval Postgraduate School
  • U.S. Naval Academy
  • University of California at Berkeley

Pseudospectral optimal control is most like which of the following in nature?

  • water flowing from mountains all the way to the ocean
  • constant stimulus-response actions in the human brain
  • photosynthesis in plants

What operating system must you be running in order to install and use DIDO?

  • Microsoft Windows
  • Linux
  • UNIX

DIDO was developed for what scientific computing platform?

  • FORTRAN
  • MATLAB
  • Perl

Which of the following was one of the primary reasons to move the International Space Station without using thrusters?

  • The thrusters were damaged and repairs were behind schedule.
  • The station no longer had access to the propellant it needed for the thrusters.
  • The propellant used in the thrusters is extremely expensive.

What is the acronym used to refer to the International Space Station maneuvers accomplished without using thrusters.

  • ZPM
  • RPM
  • FPM

Which calculus theory involves using approximate values in optimal control calculations?

  • Bernoulli's principle
  • Persistent recalculation theory
  • Pseudospectral theory

How long was the TRACE maneuvering research team given to perform its experiments?

  • 2 months
  • 6 months
  • 1 year