Electromechanical Exercise Machine Simulating Barbell Inertia
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Solution Overview
Problem
Existing exercise equipment, particularly free-weight systems, require laborious setup, pose safety risks due to uncontrolled motion, and necessitate elaborate structures for support, while lacking the ability to simulate free-weight exercises without actual weights or spotters.
Innovation Solution
An electromechanical exercise machine that simulates the resistance and inertia of a traditional barbell using sensors, algorithms, and processors to control the force and position of a lifting bar, allowing for safe and adjustable workouts without physical weights, and enabling pre-programmed exercise modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional free-weight systems are used, then users can perform strength-training exercises with minimal constraint, but the equipment requires elaborate support structures and poses safety risks due to uncontrolled motion
Solution Approach 1:
The patent replaces the mechanical free-weight system with an electromechanical system that uses a motorized actuator to generate resistance force. This substitution eliminates the need for elaborate support structures while maintaining exercise freedom, and the control system prevents uncontrolled motion to address safety risks
Solution Approach 2:
The system incorporates sensors to detect user motion and force application, providing real-time feedback to the control system. This feedback mechanism allows the system to adjust the resistance force dynamically, ensuring safe operation while maintaining exercise versatility
2Ease of operation
If traditional free-weight systems are used, then users can stabilize weights by employing proper flexibility and form, but the movement becomes erratic and unpredictable causing injury risk
Solution Approach 1:
The electromechanical system replaces unpredictable free-weight motion with controlled motorized actuation. The system maintains user control through force feedback while ensuring reliable, predictable motion through electronic control, eliminating the erratic movement inherent in free-weight systems
Solution Approach 2:
The system dynamically adjusts the resistance force based on real-time detection of user motion and force application. This dynamic control ensures smooth, predictable motion while maintaining user control, resolving the contradiction between ease of operation and motion reliability
3Adaptability or versatility
If free-weight systems are used, then users can perform exercises without path constraint, but the equipment requires specialized surroundings and reinforced floor structure
Solution Approach 1:
The patent replaces the heavy mechanical free-weight system with a compact electromechanical system that generates resistance through motorized actuation. This substitution eliminates the need for reinforced floor structures and specialized surroundings while maintaining motion freedom through controlled actuation
Solution Approach 2:
The system uses a motorized actuator to counterbalance the lifting bar, eliminating the need for heavy counterweights and elaborate support structures. The actuator provides the necessary force to simulate weight while maintaining a compact device configuration
4Adaptability or versatility
If adjustments are made to resistive or weight elements for proper setup, then the exercise equipment can be configured for specific workouts, but the process becomes laborious and time-consuming
Solution Approach 1:
The electromechanical system replaces manual weight adjustment with electronic control. The system can be programmed to provide different resistance profiles and exercise modes, enabling quick configuration for various workouts without the laborious process of adding or removing physical weights
Solution Approach 2:
The system dynamically adjusts resistance force through software control, allowing rapid reconfiguration for different exercises and workouts. This eliminates the time-consuming mechanical adjustment process while maintaining full workout configuration capability
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
The solution reduces setup time, eliminates the need for elaborate structures, enhances safety by controlling uncontrolled motion, and allows for customizable workouts, making it safer and more efficient than traditional free-weight systems.
Implementation Method 1
simulates the resistance and inertia of a traditional barbell
Implementation Method 2
actuator to apply a counterforce to the lifting bar
Data Source
AI summary
The present invention describes an electromechanical exercise machine that simulates the inertia and weight of a mass in Earth's gravity field and allows a user to move said simulated mass in the primary degrees of freedom of a traditional barbell free-weight system, with or without the use of various accessories.