US 6,981,409 B2
Control surface controller force measurement system
Neal V. Huynh, Bellevue, Wash. (US)
Assigned to The Boeing Company, Chicago, Ill. (US)
Filed on Mar. 31, 2004, as Appl. No. 10/813,854.
Claims priority of provisional application 60/509060, filed on Aug. 01, 2003.
Prior Publication US 2005/0022590 A1, Feb. 03, 2005
Int. Cl. G01N 1/00 (2006.01)
U.S. Cl. 73—170.02 23 Claims
OG exemplary drawing
 
1. A control surface controller force measurement system for an aircraft, comprising:
a control surface interface having a range of motion for providing pilot input mechanical force for positioning at least one aerodynamic control surface on an aircraft;
a first mechanical link being pivotable about a first pivot and interconnected to the control surface interface for transferring mechanical force applied to the control surface interface;
a second mechanical link interconnecting the control surface interface to the first mechanical link, the second mechanical link being pivotable with respect to the control surface interface at a second pivot; and
a force transducer for transducing the mechanical force applied to the control surface interface to a representative electrical signal, the force transducer having first and second portions and being operably interconnected at the first portion to the first mechanical link and operably interconnected at the second portion to the second mechanical link and the interconnections to the first and second portions being independent of the second pivot.