title: Fusing asynchronous measurements from multiple sensors
body: <p>I have a set of 12 IMUs mounted on the end effector of my robot arm which I read using a micro controller to determine it's movement. With my controller I can read two sensors simultaneously using direct memory access. After acquiring the measurements I would like to fuse them to make up for the sensor error and generate a more reliable reading than having only one sensor.</p>
  
  <p>After some research my understanding is that I can use a Kalman filter to reach my desired outcome, but still have the problem of all the sensor values having different time stamps, since I can read only two at a time and even if both time stamps will be synchronized perfectly, the next pair will have a different time stamp if only in the µs range. </p>
  
  <p>Now I know controls engineering principles but am completely new to the topic of sensor fusion and google presents me with too many results to find a solution in a reasonable amount of time. 
  Therefore my question, can anybody point me into the right direction by naming me a certain keyword I need to look for or literature I should work through to better understand that topic, please?</p>
  
  <p>Thank you!</p>