Difference between revisions of "Motor Control"
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[[Category:Electric Vehicle]] | [[Category:Electric Vehicle]] | ||
| + | =DC Brushed Motor Control= | ||
| + | =Six-Step Control= | ||
| + | =Field Oriented Control for Synchronous Machines= | ||
| + | ==Transformations== | ||
| + | ===Clarke Transform=== | ||
| + | ===Park Transform=== | ||
| + | ==Current Regulation== | ||
| + | A PI controller is commonly used to regulate the phase currents. This is explained by starting with a simple motor model in the DQ-frame (the motor is represented by a voltage source, resistance, and inductance). | ||
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| + | <math> | ||
| + | I_{dq} = \frac{V_{dq} - V_{emf}}{R_s + sL_{dq}} | ||
| + | </math> | ||
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| + | We can then write the equation for the system as follows:<br /><math> G(s) = \frac{I_{dq}(s)}{V_{dq}(s) - V_{EMF,dq}} = \frac{1}{R_s + sL_{dq}} = \frac{\frac{1}{L_{dq}}}{(s + \frac{R_s}{L_{dq}})} </math> | ||
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==Surface Mount Permanent Magnet Machines== | ==Surface Mount Permanent Magnet Machines== | ||
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==Interior Permanent Magnet Machines== | ==Interior Permanent Magnet Machines== | ||
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=Field Oriented Control for Asynchronous Machines= | =Field Oriented Control for Asynchronous Machines= | ||
Revision as of 20:51, 2 June 2020
Contents
DC Brushed Motor Control
Six-Step Control
Field Oriented Control for Synchronous Machines
Transformations
Clarke Transform
Park Transform
Current Regulation
A PI controller is commonly used to regulate the phase currents. This is explained by starting with a simple motor model in the DQ-frame (the motor is represented by a voltage source, resistance, and inductance).
Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle I_{dq} = \frac{V_{dq} - V_{emf}}{R_s + sL_{dq}} }
We can then write the equation for the system as follows:
Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle G(s) = \frac{I_{dq}(s)}{V_{dq}(s) - V_{EMF,dq}} = \frac{1}{R_s + sL_{dq}} = \frac{\frac{1}{L_{dq}}}{(s + \frac{R_s}{L_{dq}})} }
