Automated Sit-Stand Workstation Control for Timed Height Changes
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Solution Overview
Problem
Prolonged sitting at workstations leads to sedentary behavior, contributing to health issues such as obesity, poor posture, and decreased blood circulation, with existing adjustable desk solutions requiring manual effort and user initiative, often resulting in inadequate frequency of height adjustments.
Innovation Solution
An automated workstation elevation system that detects the current position and elapsed time, providing programmable reminders and automatic adjustments to encourage regular transitions between sitting and standing positions, using sensors and actuators to facilitate ergonomic changes without interrupting productivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual adjustable desks are used, then users can change workstation height, but users fail to adjust frequently enough due to lack of initiative and memory
Solution Approach 1:
The system automatically monitors workstation usage patterns and initiates height adjustments without requiring user intervention. The processor detects when the workstation has been in a fixed position for a predetermined time period and automatically commands the adjustment mechanism to change the workstation height, making the system self-regulating rather than relying on user initiative.
Solution Approach 2:
The system continuously monitors workstation position and duration, providing feedback through automated reminders and enforcement mechanisms. The processor tracks how long the workstation has remained in its current position and provides feedback by automatically initiating height changes or notifying the user when adjustment is needed, creating a closed-loop control system.
2Productivity
If automated reminders are implemented, then height adjustment frequency increases, but system complexity increases
Solution Approach 1:
The system combines multiple functions into a single integrated unit: the processor both monitors workstation position/duration and controls the adjustment mechanism, while the display device serves both as a user interface and as part of the monitoring system. This multi-functionality reduces the need for separate dedicated components for each function.
Solution Approach 2:
The monitoring and control functions are merged into the existing workstation structure. The processor is integrated with the adjustment mechanism, and the display is incorporated into the workstation interface, creating a unified system rather than adding separate independent components.
3Object-affected harmful factors
If frequent standing is enforced, then health benefits improve, but user convenience decreases
Solution Approach 1:
The system enforces periodic height adjustments by monitoring the duration the workstation remains in one position and automatically initiating changes after a predetermined time period. This creates a rhythmic pattern of sitting and standing that promotes health benefits while maintaining regular, predictable intervals rather than random or excessive adjustments.
Solution Approach 2:
The system prepares for health benefits by proactively monitoring workstation usage patterns and initiating height adjustments before prolonged sitting becomes harmful. The predetermined time period threshold triggers automatic adjustment in advance, preventing the accumulation of harmful sitting duration rather than reacting after damage occurs.
Data Source
AI summary
A system and method are provided for implementing an automated workstation elevation position tracking and control scheme. Software running on the user's computer generates reminders and/or to forces an individual to periodically readjust the height of the workstation in a manner that promotes standing while at work. A current position, and an elapsed time that the workstation has been at the current position, is detected with an objective of providing pre-programmed routine or random automated reminders to a user to change the current position of the workstation from one elevation state to the other. The software tracks the percent of time that a user is standing and optionally compares this with a pre-defined goal. Automatic control via the user workstation, of workstation elevator actuators is provided in a manner that makes it easier, or otherwise unavoidable, for the user to initiate repositioning from a sitting to a standing position.