Energy Cycle Digital Resistance System
A complete in-house core component solution — PMSM motor, FOC vector control, and EMS energy recovery — designed to power the next generation of premium fitness equipment. OEM/ODM supply for global fitness brands.
Energy Cycle Digital Resistance System
Full independent R&D whole-chain solution — motor, drive, and energy management are all self-developed and manufactured internally.
Core Combination
36V 21700 Li-ion Battery + PMSM Permanent Magnet Synchronous DC Motor + EMS Ultra Energy Recovery System + FOC Closed-Loop Vector Control
Servo Drive System
Position encoder + multi closed-loop fusion algorithm for ultra-precise speed, position, and torque control.
Water Resistance Braking
Exclusive dual-stage regenerative braking for water resistance mode — smooth operation, no jitter under reverse push.
FOC Vector Control
Position encoder compensation. Low noise, low vibration — industry-leading stability and reliability.
Multi-Protocol Controller
BLE 5.0, MODBUS RTU, CAN — strong scalability for secondary development and IoT integration.
Kinetic Energy Recovery
Ultra-low power consumption during operation. Energy-saving, sustainable, extended battery life.
Fitness Bench Series
Smart resistance benches with digital weight — from home to commercial.
Strength & Rehab
Precision-controlled resistance for rehabilitation and clinical strength training.
Innovative Home Fitness
Next-gen smart home gym equipment with digital resistance and app integration.
Traditional Home Fitness
Retrofit existing product lines with digital resistance — upgrade without redesign.
PMSM Permanent Magnet Synchronous DC Motor
Custom high-performance motor exclusively engineered for premium fitness equipment
Engineered for Fitness
Low back-EMF design ensures minimal heat generation during continuous operation — critical for long training sessions.
Compact, simple, and sturdy structural design reduces failure points while maximizing power density.
Dual-loop startup control — current feedback + position encoder feedback — for precise regulation from the very first rep.
Under the same motor specification, output pulling force is increased by 30% compared to peer products, thanks to the optimized slot-pole fractional slot winding combination.
Linear Motor Braking
Stable, smooth force output. Ideal for standard training modes where consistent resistance feel is paramount.
Switch-Type Braking
Instant safety protection during high-intensity pulling. Activates when sudden overload or emergency stop is detected.
Available Configurations
| Rated Force | Motor Model A | Motor Model B | Application |
|---|---|---|---|
| 40 kg | ELS6W08320-696 | ELS6WDB320-873 | Light commercial / Premium home |
| 60 kg | ELS6W08470-846 | ELS6W08470-1023 | Mid-range commercial / Studio |
| 140 kg | ELS6E06820-1200 | Heavy commercial / Pro strength | |
FOC Closed-Loop Vector Control System
Professional motor drive control system purpose-built for fitness equipment
Triple-Loop Precision
Servo drive board achieves full closed-loop control of motor speed, torque, and position — all three loops synchronized in real time.
Main control board runs motion algorithms for 4 distinct training modes, each with its own tuned response curve.
Communication expansion via MODBUS RTU, BLE 5.0, and multi-I/O interfaces — ready for smart gym ecosystem integration.
Standard
Consistent linear resistance simulating traditional free weights with digital precision.
Water Resistance
Fluid dynamic resistance curve — faster movement = higher resistance. Natural rowing feel.
Eccentric
Heavier load on the negative phase for advanced hypertrophy and strength-building protocols.
Elastic
Progressive resistance that increases with range of motion — like bands, with digital control.
FOC Controller Parameters
| Parameter | Specification |
|---|---|
| Input Voltage (Motor) | DC 24 – 48V |
| Input Current | 0.1A – 20A |
| Encoder Interface | Incremental ABZ differential signal, 485 communication (Domino protocol) |
| Control Interface | RS485 (Modbus RTU) · I/O (2 outputs, 2 inputs) · CAN 2.0 · UART TTL · BLE 5.0 |
| Driven Motor Type | PMSM · BLDC · Brushless Coreless Motor |
Exclusive Dual-Stage Regenerative Resistance Control
Combines linear braking + switch braking for strong overload resistance. Built-in energy recovery matched with supercapacitor pack achieves ultra-low power consumption.
EMS Ultra Efficient Kinetic Energy Recovery System
Custom energy management system designed for fitness equipment battery endurance upgrade
42V High-Performance Li-ion Pack
Custom lithium battery pack using 21700 high-power cells — single cell capacity up to 4,000mAh.
Independent EMS battery management system with optimized algorithms matched specifically to fitness equipment motion characteristics, working in coordination with kinetic energy recovery technology.
Collect and recycle kinetic energy generated during training, greatly extending battery service life and optimizing the user experience.
Kinetic Energy Capture
Motor acts as a generator during the eccentric phase — capturing kinetic energy that would otherwise be lost as heat.
DC-DC Conversion
Recovered energy is rectified and stepped to the optimal charging voltage through the dedicated DC-DC converter module.
Supercapacitor Buffer
Energy is first stored in a supercapacitor bank for instant availability — smoothing out the intermittent nature of exercise recovery.
Battery Replenishment
EMS intelligently feeds recovered energy back to the 36V 21700 battery pack, monitored cell-by-cell for safety and longevity.
| Parameter | Specification |
|---|---|
| Model | EPLR2170LA-10 |
| Nominal Voltage | 36V |
| Battery Configuration | 10S1P (10 series, 1 parallel) |
| Single Cell Capacity | 4,000mAh |
| Total Capacity | 4,000mAh |
| Total Energy | 144Wh (36V × 4.0Ah) |
| Full Charge Voltage | 42V (4.2V × 10) |
| Discharge Cut-off Voltage | 30V (3.0V × 10) |
Power Your Next Product with ALLASSIS Core Technology
All motor, drive, battery, and control algorithm technologies are independently developed by ALLASSIS. Full OEM/ODM whole-set core component supply available for global fitness brand partners.
ALLASSIS — Full-chain in-house R&D · Motor · Drive · Battery · Algorithm