Pergola Drive Auto-Configuration Using Encoder Signal Detection

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Solution Overview

Problem

The existing electronic control units for motorized drive devices in pergolas require manual configuration to recognize and interpret measurement signals from electromechanical actuators, which is complicated and prone to errors due to compatibility issues with actuators from different manufacturers, leading to potential faulty connections and improper functioning.

Innovation Solution

A method for automatically configuring the control unit by moving the screen with the electromechanical actuator, acquiring measurement signals from rotary encoders, determining the direction of rotation, and associating control setpoints based on signal patterns, allowing the control unit to adapt to the specific characteristics of the actuator.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If manual configuration is used to recognize measurement signals from electromechanical actuators, then the control unit can be configured to work with actuators from different manufacturers, but the installation process becomes complicated and error-prone

Engineering Contradiction:
Improvecompatibility with actuators from different manufacturersVSAvoidinstallation complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The control unit automatically detects and configures itself by analyzing measurement signals from the actuator during operation. The system performs self-configuration by identifying signal patterns and adapting control parameters without requiring manual installer intervention, thereby maintaining manufacturer compatibility while eliminating installation complexity

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The control unit dynamically adjusts its operating parameters based on the detected actuator characteristics. By monitoring measurement signals and identifying patterns specific to different actuator types, the control unit automatically modifies its control strategy to match the connected actuator, enabling universal compatibility without manual configuration

Inventive Principle:
Principle #35Parameter changes

2Reliability

If manual configuration is performed by specialists during installation, then proper interpretation of measurement signals can be achieved, but installation time and specialist requirements increase

Engineering Contradiction:
Improvecorrect interpretation of measurement signalsVSAvoidinstallation time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The control unit performs preliminary automatic detection and configuration actions during the initial operation phase. By pre-identifying actuator characteristics and configuring control parameters before normal operation begins, the system ensures reliable signal interpretation without requiring time-consuming manual specialist intervention

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system continuously monitors measurement signals from the actuator and uses feedback to automatically verify and adjust configuration parameters. This closed-loop approach ensures correct signal interpretation by constantly comparing expected versus actual signals and making real-time adjustments without requiring specialist presence

Inventive Principle:
Principle #23Feedback

3Adaptability or versatility

If the control unit is designed to be compatible with many electromechanical actuators, then versatility is improved, but the configuration process becomes more difficult due to varying signal characteristics

Engineering Contradiction:
Improvecompatibility with multiple actuator typesVSAvoidease of configuration
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The control unit automatically adapts to different actuator types by analyzing their measurement signal characteristics during initial operation. The system performs self-configuration by identifying unique signal patterns from various manufacturers and automatically adjusting control parameters, thereby maintaining versatility while eliminating configuration difficulty

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The control unit dynamically modifies its operating parameters based on detected actuator signal characteristics. By automatically identifying and adapting to different signal patterns from various actuator manufacturers, the system maintains broad compatibility while keeping the configuration process simple and automatic

Inventive Principle:
Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables automatic configuration of the control unit, ensuring correct operation and reducing installation complexity by establishing a correspondence between signal characteristics and actuator rotation directions, even in cases of reversed wiring.

Implementation Method 1

a counting device for determining the screen position, including the angular rotation of the blades... each sensor delivering information representative of the angular position of the electric motor at a given instant

Methodology Applied
Scientific EffectRotary encoder:

Data Source

PatentEP4278051B1Method for configuring at least one motorised drive device for a pergola installation and associated installation
Publication Date: 2026.03.25 SOMFY ACTIVITES SA
  • EP4278051B1 patent drawingFigure 1
  • EP4278051B1 patent drawingFigure 2
  • EP4278051B1 patent drawingFigure 3

AI summary

Disclosed is a method for configuring at least one motorised drive device of a home automation installation, comprising at least: - a first step (E102) of moving the screen, by electrical activation of the first electromechanical actuator, during a first predetermined time period according to a first control setpoint; - during the first step (E102) of moving the screen, a step (E104) of acquiring at least two measurement signals; - a first step of determining a presence or absence of at least one sensor of the counting device on the basis of the two measurement signals acquired during the acquisition step (E104); - in the case were at least one sensor is determined to be present during the first determination step (E105), a second determination step (E106) determining a direction of rotation of the electric motor of the first electromechanical actuator; and - a step (E108) of automatically configuring the control unit according to the result of the first determination step (E105) and the second determination step (E106).