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System and method for sensorless remote release actuating system

A current sensor and release state technology, applied in control systems, applications, household appliances, etc., can solve problems such as fault sensitivity, additional cost and weight of the system

Active Publication Date: 2015-11-25
LEGGETT & PLATT CANADA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While operationally adequate for this purpose, external position sensors add additional cost and weight to the system and are often susceptible to failure

Method used

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  • System and method for sensorless remote release actuating system
  • System and method for sensorless remote release actuating system
  • System and method for sensorless remote release actuating system

Examples

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Embodiment Construction

[0017] Before any embodiments of the invention are described in detail, it is to be understood that the invention is not limited in application to the details of construction and the arrangement of parts set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced or carried out in various ways.

[0018] figure 1 Illustrated is a position sensorless remote release actuation system 10 including a motor assembly 14 , a gear assembly 18 and a biasing assembly 22 referenced relative to the proximal end 26 and the distal end 30 of the system 10 . System 10 is described herein as being implemented in a vehicle, but is not limited to such application.

[0019] refer to figure 2 and 3 , the motor assembly 14 includes a motor 34 with an output shaft 38 and a worm gear 42 secured thereto for common rotation. The motor assembly 14 also includes an electrical circuit assembly 46 , the details of which will...

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PUM

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Abstract

A method for configuring a controller to operate a motor to position a seat, in which the controller includes an integrated current sensor and the seat includes a latch operatively coupled to the motor, includes determining an operating profile of the motor under one or more operating conditions, wherein the operating profile represents motor current values during activation of the latch, and wherein the activation of the latch includes at least one latch pulling condition and one latch release condition. The method further includes analyzing the operating profile in order to correlate the profile to the position of the latch. The method also includes loading the controller with instructions to enable comparison of a real-time current measured by the integrated current sensor to the stored operating profile, wherein the analysis enables determination of the latch condition in real-time.

Description

Background technique [0001] The present invention relates to a remote release actuation system for retracting and releasing a cable. [0002] Many conventional actuation systems, such as those used for seat adjustment, use external position sensors (eg, encoders, resolvers, Hall effect sensors, potentiometers, etc.) to provide position feedback to the controller. While operationally adequate for this purpose, external position sensors add additional cost and weight to the system and are often susceptible to failure. Contents of the invention [0003] In one embodiment, the present invention provides a method for configuring a controller to operate a motor to position a seat, the controller including an integrated current sensor, the seat including a lock operatively coupled to the motor buckle. The method includes determining the operating curve of the motor in one or more operating states, wherein the operating curve represents motor current values ​​during activation of ...

Claims

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Application Information

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IPC IPC(8): F16C1/12A47C7/00B60N2/44B60R16/02H02K7/116H02P31/00B60N2/90
CPCB60N2/0232B60N2002/0236B60N2/02253B60N2/02246
Inventor 赵晓明雷纳托·科利亚霍里亚·布兰迪尔
Owner LEGGETT & PLATT CANADA
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