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An axial-axial flux compound-structure permanent-magnet synchronous machine (CS-PMSM), which is a hybrid electric vehicle (HEV) power train concept, is a structural integration of two axial flux permanent-magnet synchronous machines. It is a novel electromagnetic device with dual mechanical ports and dual electric ports. In this paper, several candidate electromagnetic schemes for the CS-PMSM are...
A novel brushless compound-structure permanent-magnet synchronous machine (CS-PMSM) is proposed in this paper. The structural characteristics are described and the operation principle is introduced. The equivalent magnetic circuit of the BDRM is established, and the electromagnetic torque is deduced by analytical method. The new type of brushless CS-PMSM consists of one stator machine (SM) and one...
A compound-structure permanent-magnet synchronous machine (CS-PMSM) is a hybrid electric vehicle (HEV) power train concept to realize both the torque and speed control of the internal combustion engine (ICE). It is integrated by two permanent-magnet synchronous machines. Different topologies of the CS-PMSM are proposed. The characteristics of different CS-PMSMs are compared and evaluated from the...
The compound-structure permanent-magnet synchronous machine (CS-PMSM), integrated by two electric machines, is a promising energy transducer for hybrid electric vehicles. The compound structure of CS-PMSM leads to a mechanical coupling problem, i.e. speed and torque of the two rotating shafts are correlated. Special rotor position detection and control are required. In this paper, a unified controller...
An axial-axial flux compound-structure permanent-magnet synchronous machine (CS-PMSM), which is a hybrid electric vehicle (HEV) power train concept, is a structural integration of two axial flux permanent-magnet synchronous machines. It is a novel electromagnetic device with dual mechanical ports and dual electric ports. In this paper, to meet the 3D flux characteristics of the CS-PMSM, several candidate...
A compound-structure permanent-magnet synchronous machine (CS-PMSM) system used for hybrid electric vehicles (HEVs) enables the combustion engine (ICE) to operate at optimum efficiency independent of road conditions, thus decreasing the emissions and fuel consumption. The key part CS-PMSM is a high integration of two electric machines. The connection way of the CS-PMSM in the HEV system is discussed...
The compound-structure permanent-magnetic synchronous machine (CS-PMSM) is a promising concept for hybrid electric vehicles (HEVs). Based on magnetic-decoupling, mathematical model of a radial-radial flux prototype machine is analyzed. A test bench was built and experiments were carried out to validate functions of CS-PMSM for HEV applications.
Compound-structure permanent-magnet synchronous machine (CS-PMSM), which is composed by two electric machines, is a new type of machine developed these years. It has a wide application prospect on hybrid electric vehicle (HEV). One of the main disadvantages of this machine is that as one of the rotors has armature winding in it, a brush and slip rings must be used. Some research work has been done...
This paper describes a compound-structure permanent-magnet synchronous machine (CS-PMSM) system used for hybrid electric vehicles (HEVs). It enables the vehiclepsilas internal combustion engine (ICE) to run at its optimum working points regarding efficiency, almost independently of the changing load requirement at the wheels, thus improving fuel economy and reducing emissions. The key part CS-PMSM...
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