Title:
DRONE INCLUDING ADVANCED MEANS OF COMPENSATING FOR BIAS OF INERTIAL UNIT ACCORDING TO TEMPERATURE
Document Type and Number:
Japanese Patent JP2017015697
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To efficiently compensate for a bias of an inertial unit fast according to a temperature.SOLUTION: An inertial unit IMU 26 of a drone is fitted onto a main circuit board. The IMU includes an internal temperature sensor which transmits a chip temperature signal (θ°). A heating component 36 is fitted nearby the IMU on the main circuit board, and provided with a heat guide which is incorporated in the circuit board and extends between the heating component and IMU so as to allow transfer of heat that the heating component generates to the IMU. The heat guide may be, specifically, a metal plane layer incorporated in the board, especially, a ground plane. Heat adjusting circuits 44-62 receive, as input, the chip temperature signal (θ°) and a set-point temperature signal (θ°), and transmit a steering signal (TH_PWM) for the heating component to control heat supply to the IMU. This quick temperature rise is utilized to complete all calibrations of the IMU in several minutes.SELECTED DRAWING: Figure 4
Inventors:
QUENTIN QUADRAT
CHAPERON CEDRIC
HENRI SEYDOUX
CHAPERON CEDRIC
HENRI SEYDOUX
Application Number:
JP2016118460A
Publication Date:
January 19, 2017
Filing Date:
June 15, 2016
Export Citation:
Assignee:
PARROT DRONES
International Classes:
G01C19/00; B64C39/02; B64D43/00
Attorney, Agent or Firm:
Seiji Ohno
Seiichi Sakitani
Hiroshi Nomoto
Seiichi Sakitani
Hiroshi Nomoto