18261863. CONTROL DEVICE FOR ELECTRIC MOTOR simplified abstract (HITACHI ASTEMO, LTD.)
Contents
CONTROL DEVICE FOR ELECTRIC MOTOR
Organization Name
Inventor(s)
Kentaro Matsuo of Hitachinaka-shi (JP)
CONTROL DEVICE FOR ELECTRIC MOTOR - A simplified explanation of the abstract
This abstract first appeared for US patent application 18261863 titled 'CONTROL DEVICE FOR ELECTRIC MOTOR
Simplified Explanation: The patent application describes a control device for an electric motor that includes a harmonic voltage calculation unit and a harmonic phase delay compensation unit.
- Calculates a harmonic voltage to be added to a fundamental wave voltage command value on a two-phase rotating coordinate system synchronized with a rotor phase.
- Compensates for phase delay during calculation based on the harmonic order of the harmonic voltage and the electrical angular frequency of the fundamental wave voltage.
Key Features and Innovation:
- Harmonic voltage calculation unit for precise control of electric motors.
- Harmonic phase delay compensation unit to account for phase delays during calculations.
- Two-phase rotating coordinate system for synchronization with rotor phase.
Potential Applications: This technology can be applied in various industries where precise control of electric motors is required, such as robotics, automation, and electric vehicles.
Problems Solved:
- Ensures accurate control of electric motors by accounting for harmonic voltages and phase delays.
- Improves efficiency and performance of electric motor systems.
Benefits:
- Enhanced precision in controlling electric motors.
- Increased efficiency and performance of electric motor systems.
- Reduction in energy consumption and maintenance costs.
Commercial Applications: Title: "Advanced Control Device for Electric Motors" This technology can be utilized in industrial automation systems, electric vehicle propulsion systems, and robotic applications, offering improved performance and efficiency in motor control.
Prior Art: Readers interested in exploring prior art related to this technology can start by researching patents in the field of electric motor control systems, harmonic voltage calculation, and phase delay compensation.
Frequently Updated Research: Researchers are continually exploring advancements in electric motor control systems, including improvements in harmonic voltage calculations and phase delay compensation techniques.
Questions about Electric Motor Control Systems: 1. How does the harmonic voltage calculation unit improve the precision of electric motor control? 2. What are the potential implications of using a two-phase rotating coordinate system in electric motor control?
Original Abstract Submitted
A control device for an electric motor includes a harmonic voltage calculation unit that calculates a harmonic voltage to be added to a fundamental wave voltage command value, on a two-phase rotating coordinate system synchronized with a rotor phase, and a harmonic phase delay compensation unit that compensates for a phase delay during calculation in the harmonic voltage calculation unit based on a harmonic order of the harmonic voltage and an electrical angular frequency of the fundamental wave voltage.
