Method of controlling motor restart in sensorless control in a power tool
US-2025392240-A1 · Dec 25, 2025 · US
using sliding mode control
using sliding mode control · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H02P21/0007 |
| Official title | {using sliding mode control} |
| Display label | using sliding mode control |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dual-axis simultaneous motion system based on encoder compensation
US-2025379531-A1 · Dec 11, 2025 · US
Field oriented control with adaptive start
US-2025364930-A1 · Nov 27, 2025 · US
Stall detection in field-oriented sensorless motor control
US-2025357873-A1 · Nov 20, 2025 · US
Field oriented control with adaptive start
US-12407284-B2 · Sep 2, 2025 · US
Voltage optimization technique for a permanent magnet motor used in an electric submersible pump
US-12341398-B2 · Jun 24, 2025 · US
Tuning a sliding mode observer for a permanent magnet synchronous motor
US-2025183828-A1 · Jun 5, 2025 · US
Field oriented control of permanent magnet synchronous motor with constant power factor control loop
US-12308767-B2 · May 20, 2025 · US
Field oriented control with adaptive start
US-2024405703-A1 · Dec 5, 2024 · US
Apparatus and method for controlling permanent magnet synchronous motor, and storage medium storing instructions to perform method for controlling permanent magnet synchronous motor
US-2024405702-A1 · Dec 5, 2024 · US
Method for controlling multi-mover direct drive transmission system and related device
US-12155327-B2 · Nov 26, 2024 · US
Field Oriented Control Of Permanent Magnet Synchronous Motor With Constant Power Factor Control Loop
US-2024313679-A1 · Sep 19, 2024 · US
Finite time speed control method for permanent magnet synchronous motor based on fast integral terminal sliding mode and disturbance estimation
US-12088224-B2 · Sep 10, 2024 · US
Method for controlling multi-mover direct drive transmission system and related device
US-2024213901-A1 · Jun 27, 2024 · US
Voltage optimization technique for a permanent magnet motor used in an electric submersible pump
US-2023361645-A1 · Nov 9, 2023 · US
Voltage optimization technique for a permanent magnet motor used in an electric submersible pump
US-11750057-B2 · Sep 5, 2023 · US
Finite time speed control method for permanent magnet synchronous motor based on fast integral terminal sliding mode and disturbance estimation
US-2023246578-A1 · Aug 3, 2023 · US
Field-oriented sensorless brushless motor control in a power tool
US-11469697-B2 · Oct 11, 2022 · US
Low speed sensorless observation of permanent magnet synchronous motors
US-11444558-B1 · Sep 13, 2022 · US
Field-oriented sensorless brushless motor control in a power tool
US-2022255479-A1 · Aug 11, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H02P21/0007?
- CPC H02P21/0007 is the Cooperative Patent Classification code for “using sliding mode control.”
- How many patents are filed under CPC H02P21/0007 (using sliding mode control)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC H02P21/0007 growing?
- Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).