Motor Design
A high-performance rotary-linear electric machine on robotic application
- Develop rotary-linear electric motors with high force/torque features
- Mitigate the end-effect of the unbalanced three-phased system in linear part and achieve totally decoupled magnetic fields for rotary and linear motions
- Provide stable operation environment with low force/torque ripple
Parallel-Hybrid-Excited Machine with Harmonic-Differential Effect
- Parallel magnetic path with single-airgap structure
- Harmonic-differential effect for flux weakening
- Extended speed range with flux weakening
Parallel-Hybrid-Excited Machine with Harmonic-Shift Structure
- Simple structure with single air gap and parallel magnetic path
- Harmonic-shift feature for flux regulation
- More attractive flux regulation ability
Double-Rotor FSPM Motor with Magnetic Differential
- Capability of magnetic differential for vehicle steering
- Magnetic coupling winding for differential action
- High reliability, high efficiency, and high compactness
Fault tolerant – High-power density machine for aerospace applications
- Develop high speed high power density machine for aerospace application
- Enhance fault tolerant capability to handle machine and winding failure during operation
- Improve mechanical strength and cooling capability to operate under harsh environment
Integrated Power Electronics Motor for Aerospace Application
- Selection of motor and power converter topology
- Thermal management of integrated power electronics motor system
- Solution to EMI issue of motor and power converters
Development of electric motors with direct-drive features for automated ground vehicles
- Develop high-performance electric motors with direct-drive features
- Solve the asymmetrical magnetic circuit issue of magnetic-geared machines
- Improve flux modulation effect, torque density and power factor
Motor Control
A universal Xcube based on TMS320F28377d (Dual core)
- Universal powerful controller named after Xcube
- Can generate up to 24 channel analog input with 16 bits and 8 channel analog output with 12 bit
- Can be extended to add FPGA or ARM part at the top of the board and receive different types of encoders and resolvers
200kW Electrical aircraft controller based on SiC power module
- The power converter and controller are designed to control a permanent magnet synchronous machine for an electric propeller-driven aircrafts application with four seaters
- The drive system is capable to generate up to 800 V and 250 A outputs
- The mass and volumetric density of the controller can reach up to 30kVA/kg and 25kVA/L
Development of Advanced Control Strategies for High-performance Servo Drive System
- Develop advanced control strategies for high-performance servo drive system where good tracking performance, nice disturbance rejection property, and strong robustness to parameter uncertainties are all required
- Suppression of torque/current harmonics and enhances the system robustness to disturbances
- Improve the system adaptiveness to parameter variations
Advanced Materials
Additive manufacturing of soft magnetic materials for the fabrication of motors
- Analysis of microstructure evolution and magnetic properties of soft magnetic materials under different additive manufacturing processes and post-treatments
- Optimization of the additive manufacturing process
- Development of new soft magnetic materials for motor use
