Retractable Vehicle Step Control for DIY Installation and Remote Override
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Solution Overview
Problem
Existing automated retractable vehicle steps require complex and costly installations, often necessitating professional technicians, and lack user-friendly remote control options.
Innovation Solution
A remotely controlled retractable vehicle step system that can be installed by the purchaser without professional help, utilizing existing vehicle connections and electronics for door status information, and controlled via a smartphone app, with features like override modes and safety settings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If automated retractable vehicle steps are installed using traditional methods, then the system provides automated deployment and retraction functionality, but the installation complexity and cost increase significantly requiring professional technicians
Solution Approach 1:
The system enables do-it-yourself installation by utilizing existing vehicle electronics and connections. The control system interfaces with the vehicle's existing door status signals and power sources, eliminating the need for complex custom wiring and professional installation while maintaining full automated functionality.
Solution Approach 2:
The control system serves multiple functions: it detects door status through existing vehicle connections, controls motor operation for step deployment and retraction, and provides remote control capabilities via wireless communication. This multi-functionality reduces the need for separate dedicated components, simplifying installation.
2Extent of automation
If traditional automated step systems are installed, then automated operation is achieved, but the installation cost increases due to requiring professional technicians
Solution Approach 1:
The system is designed for owner installation by leveraging existing vehicle electronics. The control unit connects to standard vehicle ports and uses existing door status signals, power sources, and ground connections, eliminating the need for professional technicians and reducing installation cost while maintaining automated operation.
Solution Approach 2:
The control system acts as an intermediary that bridges the existing vehicle electronics and the step motor assembly. It interfaces with standard vehicle connections and translates door status signals into motor control commands, enabling integration without complex custom wiring.
3Ease of operation
If basic automated step control is implemented, then automated deployment works, but user control flexibility and remote monitoring capabilities are limited
Solution Approach 1:
The control system continuously monitors step position, motor status, and door status, providing real-time feedback through the wireless interface. This enables the smartphone application to display system status, confirm deployment/retraction commands, and provide alerts for abnormal conditions, enhancing user control and awareness.
Solution Approach 2:
The wireless communication module serves as an intermediary between the control system and the smartphone application. It transmits control commands and status information bidirectionally, enabling remote control and monitoring without adding physical complexity to the step mechanism itself.
4Device complexity
If the system uses existing vehicle connections for control, then installation simplicity is improved, but dependency on vehicle electronics status is increased
Solution Approach 1:
The control system includes diagnostic functionality that detects and reports issues with vehicle power sources, door status signals, and connections before they cause system failure. The smartphone application provides alerts for potential problems, allowing users to address issues before they compromise system reliability.
Solution Approach 2:
The system continuously monitors the status of vehicle connections and power sources, providing real-time feedback through the wireless interface. This enables the user to be informed of connection issues or power problems that may affect system operation, allowing for timely intervention to maintain reliability.
Data Source
AI summary
Powered retractable vehicle step assist systems and methods are provided. The steps systems are configured for installation (e.g., after market installation) and use with a vehicle. The system can include a stepping member movable between a retracted position and a deployed position with respect to the vehicle. The system can further include a vehicle interface. A controller of the step system can be configured to process information received from the vehicle interface and, based at least partly on the processing of the information, cause movement of the stepping member between the retracted position and the deployed position.