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Jinpengda KFS-3B

The Jinpengda KFS-3B is an integrated flight control and navigation unit combining MEMS inertial sensing, dual GNSS receivers, atmospheric pressure sensing and ARM-based control. It processes aircraft state, route and command information to control flight, with serial and CAN interfaces, analog and discrete I/O, and four control loops for KCD-3 servos.

JinpengdaDrone flight controller

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Product overview

The Jinpengda KFS-3B integrates flight control and navigation in a unit built around a high-performance ARM main controller, a MEMS inertial measurement unit, two GNSS receivers and an atmospheric pressure sensor. It uses measured aircraft state, a predetermined flight route and commands to calculate and control aircraft motion in real time. Combined inertial and GNSS navigation supports control-surface commands for climbing, descending and turning. The inertial measurement unit collects rate-gyro and accelerometer data, while GNSS provides position and velocity data.

The pressure sensor processes total and static pressure from a pitot tube to calculate true airspeed, indicated airspeed and flight altitude. Electrical connections include eight RS-422 channels, including two expansion channels, two CAN channels and two RS-232 channels. Four analog inputs provide 16-bit A/D conversion, alongside four discrete inputs, twelve discrete outputs with configurable 0 and 28V signals, and four servo control loops for KCD-3 servos. The unit accepts +20V to +32V DC and operates from −55°C to +80°C, with startup at −40°C and operation at −55°C.

Flight control & navigation

Specifications

Jinpengda KFS-3B specifications
SpecificationValue & conditions
Product type and constructionKFS-3B integrated flight control and navigation unit comprising a MEMS inertial measurement unit, GNSS receivers, an atmospheric pressure sensor and a high-performance ARM-based main controller.
Flight control functionsCombines inertial and GNSS navigation calculations and controls aircraft control surfaces for climbing, descending and turning.
Air data processingProcesses total and static pressure from a pitot tube to calculate true airspeed, indicated airspeed and flight altitude.
Power supply+20V to +32V DC
Communication interfaces8 RS-422 channels (including 2 expansion channels), 2 CAN channels and 2 RS-232 channels
Analog inputs4 channels (16-bit A/D)
Discrete inputs4 channels
Discrete outputs12 channels (configurable 0 and 28V signals)
Servo control loops4 channelsFor KCD-3 servos.
Three-axis acceleration−18g to +18g
Three-axis angular rate range−300°/s to +300°/s
Zero drift≤12°/h
Positioning accuracy≤20m
Barometric altitude range-400m to 18000m
GNSS receivers2
Operating temperature−55°C to +80°CStartup at −40°C; operation at −55°C.
Storage temperature−40°C to +80°C
Shock15gAlong all three axes.

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