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Linestream Technologies patents

Recent patent applications related to Linestream Technologies. Linestream Technologies is listed as an Agent/Assignee. Note: Linestream Technologies may have other listings under different names/spellings. We're not affiliated with Linestream Technologies, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "L" | Linestream Technologies-related inventors

Load-adaptive smooth startup method for sensorless field-oriented control of permanent magnet synchronous motors

A field oriented control (foc) system and method provides smooth field-oriented startup for three-phase sensorless permanent magnet synchronous motors (pmsms) despite the absence of load information. The system uses the rotor flux projection on the d- or q-axis to determine whether the stator flux current reference being applied during reference startup phase is sufficient to spin the pmsm, thereby providing smooth operation during the reference startup phase and saving energy relative to applying rated current. ... Linestream Technologies

Application-specification-oriented control design

A motion control design system implements a performance specification-oriented design approach. The system allows a designer to define desired performance specifications that are to be satisfied by a motion system, and determines tuning parameters (e.g., controller bandwidth and associated tuning parameters) that will yield performance within the defined performance specifications. ... Linestream Technologies

Multiple independent variable curve fitting method

A curve fitting system implements a multi-level curve fitting approach to obtain a mapping between variables of interest. According to this approach, the system establishes first curve fitting relationships between a first variable of interest and a second variable of interest for sets of values of the independent variables. ... Linestream Technologies

Wizard for configuring a motor

A motor control wizard implements a simple workflow for creating an application-specific program for operation of a motor control system. The wizard prompts for selection of an application area, which sensitizes the system to tune certain motor control parameters in accordance with the demands of the selected application area. ... Linestream Technologies

Method for automatically identifying resonance

A resonance estimation system implements resonance detection methods that can obtain accurate estimates of a motion system's resonance and amplitude without the need for a high-resolution encoder or high-frequency sampling. The system solves for resonance information by removing the slow motion dynamics and fast torque control dynamics from the measured speed transfer function in order to obtain resonance transfer function. ... Linestream Technologies

Automatic determination of maximum acceleration for motion profiles

A maximum acceleration identification system determines a suitable maximum acceleration for transitioning a given motion/motor system to a target position or velocity, taking the friction of the motion system into consideration. The maximum acceleration determined by the maximum acceleration identification system can then be used by the motion control system as the acceleration limit for generating motion profiles. ... Linestream Technologies

Method for automatically identifying speed operation range in a mechanical system driven by pmsm or induction motors under friction and load condition

As speed operation range identification system for motion systems driven by permanent magnet synchronous motors (pmsms) or induction motors leverages both characteristics of the motor as well as dynamic characteristics of the motion system—including the friction and load—to identify suitable maximum speeds for operation of the motion system in the normal speed and field weakening regions. The identification system can model both motor characteristics as well as real-time dynamics of the controlled mechanical system that may vary during operation. ... Linestream Technologies

Method for automatically estimating inertia, coulomb friction, and viscous friction in a mechanical system

Systems and methods for estimating an inertia, a coulomb friction coefficient, and a viscous friction coefficient for a controlled mechanical system are provided. In one or more embodiments, an inertia and friction estimation system can generate a torque command signal that varies continuously over time during a testing sequence. ... Linestream Technologies

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009


This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Linestream Technologies in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Linestream Technologies with additional patents listed. Browse our Agent directory for other possible listings. Page by