The Cooperating Autonomous Decentralized System Architecture

Tang

IEEJ Transactions Elec Engng

et al. 2012

An autonomous decentralized system (ADS) for the control of a high-power permanent magnet synchronous motor (PMSM) presented in this paper. The system decentralizes a centralized control system into several autonomous subsystems. Thus the power supply and power electronic devices of the control system can be replaced by smaller ones, thereby obtaining better fault tolerance of the system. The subsystems are connected only through the data field, which, in this paper consists of feedback elements and communication modules. This structure enables the autonomous controllability and autonomous coordinability of the system. The mathematical model of the PMSM with decentralized stator coils is proposed. This model takes into account the self-and mutual inductance of the coil, as well as the effect of the stator slot-pitch angle. In addition, an autonomous algorithm for the torque control of the PMSM with decentralized stator coils is proposed, and the fault-tolerance design is developed. Experimental results of the torque control and fault-tolerance control confirm the validity of the proposed system.

Section: Constant Torque Control After Extensive Testssupporting

confidence: 67%

Section: Introductionmentioning

confidence: 99%

Autonomous decentralized system for torque control of high‐power permanent magnet synchronous motor

Tang

IEEJ Transactions Elec Engng

et al. 2012

“…It also enables the distributed power feed to the controlled objects, reducing the scale of the power supply and the power electronic device. However, the technique is mainly used in the fields of the electric power system and electric locomotive [5,6]. The goal of our research is to develop an ADS for the LPMSM thrust control.…”

Section: Introductionmentioning

confidence: 99%

Fault Tolerant Control of Linear Permanent Magnet Synchronous Motor Based on Autonomous Decentralized System

Tang

2011

AMR

This paper proposes a novel autonomous decentralized system (ADS) for controlling high power LPMSM. The system decentralizes a control system into several subsystems, thus the power supply and power electronic devices of the control system can be replaced by smaller ones, and the better fault tolerance of the system can be obtained. We first study the architecture of the ADS for LPMSM, then study the mathematical model of the LPMSM with decentralized stator coils. Finally, the fault model of the system is analyzed and a fault-tolerance design based on redundancy is proposed. The experimental results show that this method is effective for LPMSM control; excellent current control and fault tolerant feature of the system confirm the validity of the proposed system

“…First, we define a mind. Second, by using this definition, we express an Automated Guided Vehicle (AGV) collision problem in an Autonomous Decentralized Flexible Manufacturing System (AD-FMS) as an application example of the mind model [3][4]. By providing a mind to the AGVs, we will prove the correctness of the defined mind.…”

Section: Introductionmentioning

confidence: 99%

AGV Action Control of Autonomous Decentralized FMS by Fickleness

Yamamoto

Kato

2007

LEM21

We propose the mind modeling which is the complicated expression of combinations from the three elements: Unit, Load, Stimulation. The mind changes like the human mind behavior. The Unit has two states that are Regular and Active which can be changed. The change of Mind is expressed by the change of the Unit. Even if the same situation happens, it takes different actions when the mind is changed. By using the mind model for the autonomous decentralized FMS, it is ascertained that it can reduce the collisions between each AGV.