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Innovation: AI-Powered Digital Strength Fitness Equipment

  • Writer: Roger Yao
    Roger Yao
  • Mar 12
  • 3 min read
Digital strength equipment
Digital strength training equipment 

Smart Strength Unveiled: How AI Technology is Redefining Fitness Equipment

Think smart fitness is merely a large screen and internet connectivity? Think again! Genuine intelligence in fitness is about precision, personalized resistance control, and scientifically optimized workouts. 

Today, we're diving into the revolutionary core technology of AI-powered smart strength equipment, revealing how advanced motor technology and intelligent resistance modes are fundamentally changing strength training.

Taking the AI-powered Strength Training Mirror by Hangzhou QuanJin Technology as our example, let's explore this fitness innovation.

Digital strength equipment motor

Motorised resistance module 


Understanding the Motor Technology: Precision Meets Power

Traditional fitness machines rely on weight stacks or springs, cumbersome to adjust with limited precision. In contrast, AI-powered strength training equipment uses FOC Vector Control technology combined with a powerful three-phase stepper motor, hailed as the "Tesla motor of the fitness world."


1. FOC Vector Control Technology

By monitoring the motor’s magnetic field orientation and current intensity in real-time, this system accurately manages torque output. 

Whether performing explosive lifts or controlled stretches, resistance remains smooth, consistent, and uninterrupted—similar to how autonomous vehicles modulate acceleration, automatically adjusting resistance to match your strength and preventing sudden load fluctuations.


2. 1200W Three-Phase Stepper Motor

  • High Power Output: Directly generates 50Nm torque, easily managing resistance equivalent to 100kg, making squats and deadlifts effortless.

  • Rapid Response: Resistance adjustments in just 0.1 seconds—ten times faster than manual adjustments!


Digital strength equipment  motor
FOC Vector Control Technology

Five Intelligent Resistance Modes: Professional Training in Your Space

While traditional equipment provides singular resistance profiles, AI-powered equipment leverages sophisticated motor algorithms to mimic real-world mechanical behaviors. 

It simulates dumbbells, barbells, resistance bands, and more, making one device equivalent to an entire gym.


1. Constant Force Mode

  • Mechanism: Provides continuous, stable resistance, like lifting fixed-weight dumbbells.

  • Ideal for: Muscle hypertrophy and sustained muscle tension.

  • Advantage: Unlike traditional barbells, AI dynamically compensates angles, reducing joint stress.


2. Concentric Isotonic Mode

  • Mechanism: Resistance applied only during muscle contraction (lifting phase), reduced during release.

  • Ideal for: Rehabilitation, beginners, reducing fatigue.


3. Eccentric Isotonic Mode

  • Mechanism: Emphasizes resistance during muscle elongation (lowering phase).

  • Ideal for: Overcoming strength plateaus, injury prevention.


4. Elastic Resistance Mode

  • Mechanism: Resistance increases linearly with stretch, mimicking elastic bands.

  • Ideal for: Explosive power training, functional fitness, enhancing agility.


5. Fluid Resistance Mode

  • Mechanism: Simulates hydraulic resistance, increasing resistance with speed, akin to training in water.

  • Ideal for: Building endurance, coordination, effective fat loss.


Digital strength training equipment
All-in-one

HD Touchscreen vs. Traditional Small Screens: A New Dimension in Interaction

Traditional equipment typically features small screens (10-15 inches), with low resolution and limited interaction. The AI-powered training mirror boasts a 32-inch IPS HD touchscreen (1920×1080), delivering vivid visuals, responsive multi-touch interactions, and an intuitive experience akin to a smart tablet. 

Enjoy 4K workout videos, real-time data tracking, and seamless mode switching, elevating your workout experience significantly.


Compact and Versatile: Train Anywhere with Just 1㎡

Traditional gym equipment occupies substantial space (2-3㎡), limiting home use due to size and functionality constraints. 

In contrast, AI-powered equipment requires just 1㎡ and supports wall-mounted or freestanding setups, providing professional-grade exercises like deadlifts and squats at home or commercial spaces. 

Constructed with robust Q235 high-strength steel frames and non-slip designs, it ensures safety and stability in versatile settings.

Digital strength equipment

Expert-guided Courses vs. Self-learning: Transform Beginners into Pros

Conventional training often involves manual searching, risking improper form and injury. 

AI-powered equipment includes extensive professional workout libraries covering muscle gain, weight loss, and rehabilitation. Champion trainers demonstrate correct techniques on a large screen, guiding users step-by-step through each movement clearly and effectively.


Quick Comparison: Why Motors Outperform Traditional Weight Plates

Why Motors Outperform Traditional Weight Plates

AI: Empowering Every Muscle Group

AI-powered strength equipment isn’t simply advanced machinery; it's precision technology combined with intelligent algorithms, making your training safer, more personalized, and more effective. 

Whether you're building muscle, sculpting your body, or rehabilitating injuries, experience how AI transforms your fitness journey—making each workout feel like a personalized session with your own elite personal trainer.


Author: Sun Xiangyu from Hangzhou Quanjing Tech

Reviewed by Roger Yao from Fit Gear Hub



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