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TDCAC - TOKY Dual-core Adaptive Cascade Control
TDCAC TOKY Dual-core Adaptive Cascade Control Technology is an industrial cascade control solution independently developed by our company. Its core architecture is theoretically based on two-degree-of-freedom PID control, and innovatively integrates the differential predictive technology to form an advanced control system with fast dynamic response and strong robustness. By independently designing the feedforward channel (Gf(s)) and the feedback channel (Gc(s)), the two-degree-of-freedom PID realizes the decoupling control of tracking performance and anti-interference performance. Through the synergistic operation of the two channels, it resolves the inherent contradiction of traditional PID between fast tracking and stable anti-interference.
Cascade control adopts a hierarchical control algorithm strategy with primary and secondary PID loops. The secondary loop prioritizes rapid disturbance rejection, while the primary loop maintains steady-state control of the final target, achieving fast anti-disturbance + high precision stability. It features the advantages of strong anti-interference capability, fast response, high accuracy, suitability for complex processes, and applicability to large time-delay systems.
Cascade control is a common type of complex control system. In contrast to single-loop feedback control systems, a cascade control system features two levels of feedback control, namely the primary control and the secondary control. The primary control is a setpoint control that reflects the main processes and parameters of production technology. The secondary control is a follow-up system designed to improve the control quality and rapid response of the primary control. Therefore, cascade control achieves precise control through the sophisticated coordination of the two control levels.
- Improves the dynamic characteristics of the process and enhances the system's control quality.
- Rapidly suppresses secondary disturbances entering the secondary control loop.
- Boosts the operational response speed of the system.
- Delivers strong adaptability to load changes.
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