DSP-Based Automated Error-Reducing Flux-Linkage-Measurement Method for Switched Reluctance Motors

Influence of excitation in the experimental equivalent circuit parameters identification of a switched reluctance motor

“…That is why a possible error in the estimation of this resistance, which is affected by temperature [12], is more significant in the estimation of the flux linkage when using unipolar excitation, as is apparent in (5).…”

“…Experimental determination can be performed indirectly using the static torque-current-position characteristic of the motor [7], or directly calculating the flux linkage for each position of the rotor by means of obtaining the voltage and phase current [8][9][10][11][12][13][14][15][16][17].…”

“…In experimental methods, the type of excitation applied to a phase of the motor is usually sinusoidal [8][9], unipolar rectangular [10][11][12][13][14] or bipolar rectangular [15][16][17]. There is no difference between the bipolar and unipolar types of rectangular excitation if they are only used to assess the outcome of magnetization curves during a rising interval of the current phase.…”

Influence of non-ideal magnetic core effects on the experimental determination of the magnetic characteristics of a switched reluctance motor

“…Basically, methods for the determination of flux-current position characteristics are based on analytical calculations [1,3], finite element simulations [4][5][6], and experimental tests [7][8][9][10][11]. Analytical and finite element methods are complex and computationally expensive.…”

“…Experimental determination can use direct [1,[6][7][8][9][10][11][12][13][14][15] and indirect methods [1,16]. Direct flux determination integrates voltage across the magnetizing inductance of a motor phase.…”