UAV Engine EFI System
From automotive powertrain control to the low-altitude economy
Overview
An aviation engine electronic control unit for large industrial UAVs and eVTOL, this is Hanruijing's strategic extension of its automotive core-controller technology into the low-altitude economy. It covers 9cc–550cc two-stroke and four-stroke piston engines and has been adapted to 24 engine models.
Built on a FADEC full-authority digital engine control architecture with ASIL-C software, it is validated to GJB 150A / GJB 151B for high altitude, low temperature and high-vibration operation.
Key Functions
Full-authority digital control
FADEC architecture closes the loop on fuel injection, ignition, intake and exhaust as one system.
Wide displacement coverage
9cc–550cc, two-stroke and four-stroke, from single-cylinder to four-cylinder engines.
Altitude adaptation
Pressure, temperature and humidity compensation keeps output and combustion stable above 5,000 m.
Redundant ignition & injection
Dual ignition drivers and redundant injection channels prevent single-point shutdown.
Range-extender integration
Works with generator and BMS to form 5 kW / 13.5 kW / 100 kW aviation range-extender systems.
Telemetry downlink
Engine status over CAN / UART for ground-station monitoring and fault logging.
Specifications
| Displacement range | 9cc – 550cc |
|---|---|
| Engine type | Two-stroke / four-stroke, 1–4 cylinders |
| Control architecture | FADEC full-authority digital engine control |
| Functional safety | ISO 26262 ASIL-C |
| Software scale | AUTOSAR architecture, 246 SWU-class software assets |
| Environmental standards | GJB 150A / GJB 151B / EMC |
| Operating temperature | -40 °C to +85 °C |
| Engines adapted | 24 models |
Applications
- Industrial fixed-wing and compound-wing UAVs
- Vertical take-off fixed-wing (VTOL)
- eVTOL hybrid range-extender platforms
- Target drones, inspection and mapping UAV propulsion
Why It Wins
Automotive-grade heritage
Automotive development process and validation — far more robust than hobby-grade EFI.
Fully localized
Domestic MCU and power devices, suited to customers with supply-chain requirements.
24-model experience
Proven adaptation across 24 engines shortens calibration time on new platforms.
Fuel & emissions optimization
Closed-loop combustion control cuts fuel burn and extends endurance.
Related Products
Frequently Asked Questions
Common questions about cooperation, lead time and certifications
What are the typical applications of UAV Engine EFI System?
Key applications include: Industrial fixed-wing and compound-wing UAVs, Vertical take-off fixed-wing (VTOL), eVTOL hybrid range-extender platforms, Target drones, inspection and mapping UAV propulsion.
What is the delivery form and technical support scope of UAV Engine EFI System?
We can supply a complete package of controller hardware, basic software and application software, or deliver hardware and software modules separately to fit your existing platform. CAN / UART protocols, calibration tools and integration support are included.
Do you support customized hardware and software development?
Yes. We cover the full stack — chip selection, hardware design, basic software (AUTOSAR / MCAL), application algorithms and calibration — and co-develop with vehicle and equipment OEMs, including support for DV/PV testing and vehicle calibration.
Which quality systems and certifications do you hold?
We are certified to ISO 9001:2015. Product development follows the ISO 26262 functional safety process (up to ASIL-D) and the AUTOSAR architecture standard; defence and UAV-related products meet GJB 150A / GJB 151B environmental requirements.
Need controller selection or custom development?
Tell us your E/E architecture, power level and target market — we respond with a preliminary proposal within 48 hours.