US 11,774,544 B2
Control system for controlling a projectile
Andrew James Smith, Great Baddow (GB); Martin John White, Great Baddow (GB); and Guiseppe Carlos Sarno, Great Baddow (GB)
Assigned to BAE SYSTEMS PLC, London (GB)
Appl. No. 16/469,954
Filed by BAE SYSTEMS plc, London (GB)
PCT Filed Nov. 29, 2017, PCT No. PCT/GB2017/053592
§ 371(c)(1), (2) Date Jun. 14, 2019,
PCT Pub. No. WO2018/109435, PCT Pub. Date Jun. 21, 2018.
Claims priority of application No. 1621223 (GB), filed on Dec. 14, 2016; and application No. 17151161 (EP), filed on Jan. 12, 2017.
Prior Publication US 2019/0323807 A1, Oct. 24, 2019
Int. Cl. G01S 5/02 (2010.01); F42B 15/01 (2006.01); G01S 1/08 (2006.01); F41G 7/34 (2006.01); F42C 13/04 (2006.01); G01S 1/02 (2010.01); G01S 5/00 (2006.01); G01S 5/14 (2006.01); G01S 11/10 (2006.01); G01S 19/18 (2010.01); G05D 1/10 (2006.01)
CPC G01S 5/0246 (2020.05) [F42B 15/01 (2013.01); G01S 1/08 (2013.01); G01S 5/0242 (2013.01); F41G 7/34 (2013.01); F42C 13/04 (2013.01); G01S 1/028 (2013.01); G01S 5/0045 (2013.01); G01S 5/14 (2013.01); G01S 11/10 (2013.01); G01S 19/18 (2013.01); G05D 1/107 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A control system for controlling a projectile, the control system comprising:
a plurality of transmitters, wherein each transmitter of the plurality of transmitters is arranged to transmit an electromagnetic wave from a corresponding transmission position, and at least one of the plurality of transmitters is arranged to communicate its own transmission position to the projectile either in the corresponding transmitted electromagnetic wave or by transmitting another electromagnetic wave;
a receiver associated with the projectile, the receiver being arranged to receive a plurality of electromagnetic waves transmitted from the plurality of transmitters, the plurality of electromagnetic waves including the corresponding electromagnetic wave or another electromagnetic wave transmitted by the at least one of the plurality of transmitters; and
a controller associated with the projectile, the controller being arranged to
extract the transmission position of the at least one of the plurality of transmitters from the received corresponding electromagnetic wave or the received another electromagnetic wave,
determine at least one of a position, a velocity, and/or an acceleration of the projectile based on transmission positions of the plurality of transmitters and Doppler measurements derived from the received plurality of electromagnetic waves, and
generate a control signal for performing an action with the projectile depending on the determined at least one of position, velocity, and/or acceleration of the projectile.