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# [1992] Proceedings of the IEEE International Symposium on Industrial Electronics

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Displaying Results 1 - 25 of 209
• ### An adaptive learning control scheme for manipulators

Publication Year: 1992, Page(s):375 - 379 vol.1
| | PDF (266 KB)

The author presents a simple adaptive learning control scheme for multi-joint robotic manipulators based on the independent joint adaptive control and iterative learning control concepts. The control scheme consists of an adaptive law and a learning law. The adaptive law is designed by the Lyapunov method; less knowledge about the manipulator dynamics is required, and only the position and velocit... View full abstract»

• ### Proceedings of the IEEE International Symposium on Industrial Electronics (Cat. No.92TH0371-5)

Publication Year: 1992
| PDF (52 KB)
• ### Discussion on adaptive array signal processing

Publication Year: 1992, Page(s):450 - 453 vol.1
| | PDF (227 KB)

In this paper, the authors study four kinds of adaptive arrays. The authors give four optimal weight vectors and one consistent signal to interference noise ratio (SINR) formula. On this basis, they discuss how to further improve the SINR by adaptive array optimal design. Finally, one example is presented to verify their conclusions.<> View full abstract»

• ### A SPICE based thermal model for the estimation of peak current capability of thyristor based devices

Publication Year: 1992, Page(s):728 - 732 vol.2
| | PDF (480 KB)

A thermal model of a thyristor, using an electrical analogue to heat flow in a layer, developed for use in the prediction of peak current capability of p-n-p-n devices, is presented. For any given current, a power waveform, representing the total power dissipated in the device for that current, is generated. This is then distributed over three heat sources representing the main locations of heat g... View full abstract»

• ### An optimal DC motor controller design with self-regulation and input-output tracking in the load presence

Publication Year: 1992, Page(s):98 - 101 vol.1
Cited by:  Papers (4)
| | PDF (176 KB)

A new, more practical scheme for DC motor optimal position control with load disturbance is introduced. The simulation results show that this motor system achieves input-output tracking even in the presence of a load disturbance View full abstract»

• ### Printed Chinese character recognition via the cooperative block neural networks

Publication Year: 1992, Page(s):231 - 235 vol.1
| | PDF (348 KB)

In this paper, the authors propose a new architecture of artificial neural networks, which is called the cooperative block neural networks (CBNN), and use it for the recognition of multi-font printed Chinese characters. Preliminary simulation results have proven that in tackling the difficulties associated with sophisticated topological structures of characters and the large number of Chinese char... View full abstract»

• ### Superconducting magnetic energy storage for voltage stabilizer in electric power systems

Publication Year: 1992, Page(s):509 - 513 vol.2
| | PDF (296 KB)

Superconducting magnetic energy storage (SMES) which consists of a 6.7 H superconducting coil and a 50 ampere 36 volt three-phase power converter has been developed. The bidirectional converter uses a single bridge IGBT. The independent control of active and reactive power is achieved by controlling the phase and modulation index using the PWM method. The SMES system was connected to a simple powe... View full abstract»

• ### Beam search based delivery scheduling system

Publication Year: 1992, Page(s):744 - 748 vol.2
Cited by:  Patents (1)
| | PDF (448 KB)

The authors propose a heuristic procedure to solve the routing phase of the delivery scheduling problem. Aiming fast responses a beam search based decision procedure is utilized. Within the search procedure, a new evaluation rule called the most willing neighbor' is applied. The new rule retains the simplicity of the nearest neighbor rule, overcoming the latter's weak points. Three applications a... View full abstract»

• ### Sliding mode self-tuning controller design and application to machining

Publication Year: 1992, Page(s):215 - 217 vol.1
| | PDF (152 KB)

In this paper, a new self-tuning control (STC) for machining processes is researched. The parameters of the plant are estimated online, the discrete sliding model of machining process is built, and the sliding mode self-tuning control (SMSTC) strategy is realized. The simulation of the constant turning force adaptive control (AC) system with this control strategy shows good dynamic and static char... View full abstract»

• ### CAD-based robot vision: from CAD models to vision models

Publication Year: 1992, Page(s):362 - 365 vol.1
| | PDF (380 KB)

The authors focus on an open problem in the area of 3D object recognition-vision model building for 3D objects. The integration of a CAD system and robot vision system and led to a third type of vision model building for robot vision system: adaptation of pre-existing CAD models of objects for recognition. The authors developed a CAD system that contains polyhedral approximation solid modeling and... View full abstract»

• ### New structure of field-controlled thyristor with lateral channel

Publication Year: 1992, Page(s):725 - 727 vol.2
| | PDF (116 KB)

The authors describe a new structure of field-controlled thyristor with a lateral channel (LFCT) which has been developed successfully. This device possesses of some advantages, such as manufacture simplicity, high blocking gain, high switching speed and compatibility with ICs in monolithic mode View full abstract»

• ### Sub-band image coding with incorporating HVS model

Publication Year: 1992, Page(s):838 - 839 vol.2
| | PDF (144 KB)

This paper presents a subband image coding method with an incorporating HVS model. In this method, an image to be coded is first divided into several frequency bands by a 2D subband analysis system, and then different bands are transformed into the spectral domain through the DCT. HVS models are used to weight the transformed coefficients in accordance with the human eye's sensitivity to AC energy... View full abstract»

• ### A robust controller for uncertain systems

Publication Year: 1992, Page(s):102 - 106 vol.1
| | PDF (172 KB)

The design problem for a precise control system with uncertainty such as parameter variations, nonlinearity and disturbances is investigated in this paper. Treating uncertainties as equivalent disturbances and using the zeroing element concept for the zeroing of equivalent disturbances, a method of designing a robust controller is presented. The new method is composed of two steps. First, a modern... View full abstract»

• ### A simplified field oriented control method for low cost induction motor drives

Publication Year: 1992, Page(s):630 - 634 vol.2
Cited by:  Papers (2)
| | PDF (336 KB)

A new method is investigated for the control of induction motor drives using a PWM voltage source inverter. A simplified control algorithm was developed in stator flux coordinates which corresponds to a compromise between performance and hardware complexity. Current sensors are further suppressed in order to achieve attractive low cost systems for small motor drives. Comparative results are establ... View full abstract»

• ### A microcomputer-based 2-axis stepper motor motion control system

Publication Year: 1992, Page(s):167 - 171 vol.1
| | PDF (240 KB)

A microcomputer-based stepper motor motion control system has been developed to address the performance limitations and relative inflexibility of many microprocessor-based systems. This system features two-axis closed-loop control, high pulse rates in support of microstepping drivers, sensor integration, and complex trajectories and velocity profiles. A key aspect of the system, i.e. online trajec... View full abstract»

• ### Hierarchical intelligent control for robotic motions-hybrid neuromorphic and symbolic control

Publication Year: 1992, Page(s):236 - 240 vol.1
Cited by:  Papers (1)
| | PDF (452 KB)

This paper presents a new scheme for intelligent control of robotic manipulators. This scheme is an integrated approach of the neuromorphic and symbolic control of robotic manipulators, including the applied neural network for the servo control and the knowledge based approximation. Therefore, this scheme has a hierarchical structure, and is known as hierarchical intelligent control'. The neural ... View full abstract»

• ### Optimum design of single switch resonant induction heater

Publication Year: 1992, Page(s):858 - 859 vol.2
Cited by:  Papers (5)
| | PDF (112 KB)

The availability of low cost power switching devices has opened up the application of induction heating for domestic cooking. This paper describes a single switch resonant inverter for this application. A performance index for the switch (output power/switch VA rating) is proposed. The operating point can be selected to realize the best switch utilization View full abstract»

• ### A dynamic vision processing system based on digital signal processor A110

Publication Year: 1992, Page(s):504 - 508 vol.1
Cited by:  Papers (1)
| | PDF (304 KB)

An efficient dynamic vision system has been developed based on special hardware and system architecture. The advantages of the dynamic vision system for the real-time processing of motion control are discussed here. The characteristics and usages of digital signal processor A110 which is used as the main part in an image processing Unit (IPU) is introduced. The system architecture, which is compos... View full abstract»

• ### New traffic entropy functions to quantify spatial traffic flow conditions and intelligent control logic of isolated signals

Publication Year: 1992, Page(s):467 - 471 vol.1
| | PDF (368 KB)

The authors propose new traffic functions to estimate space-mean-speed and traffic volume a few seconds ahead. They are based on the entropy parameter and traffic density which are obtained in the processing of a traffic flow image taken by a TV camera. The space-mean-speed and traffic volume estimated by the functions the authors proposed are very close to those of the actual traffic flows; the c... View full abstract»

• ### SONET equipment cost modeling based on AI technology

Publication Year: 1992, Page(s):740 - 743 vol.2
Cited by:  Papers (1)
| | PDF (276 KB)

The SONET network was designed to reduce the complexity, cost and number of transmission systems in the public network. To gain the full economic and service benefits which SONET may offer, new network planning tools must be developed. Domain knowledge representation and the cost calculating algorithm are keystones for successful SONET planning. This paper presents a flexible SONET equipment cost ... View full abstract»

• ### Application of stair-like generalized predictive control to industrial boiler

Publication Year: 1992, Page(s):218 - 221 vol.1
| | PDF (196 KB)

Using a very simple assumption the authors propose a new control strategy: stair-like control. This paper presents a modified version of the generalized predictive controller (GPC) originally developed by Clarke et al. (1987) with the new control strategy, which the authors call the stair-like generalized predictive controller (SGPC). The new controller does not require online matrix inversion cal... View full abstract»

• ### Prediction and compensation of errors of inertial navigation systems

Publication Year: 1992, Page(s):151 - 157 vol.1
Cited by:  Papers (1)
| | PDF (448 KB)

An original approach is proposed to the solution of prediction problems, the main peculiarity of which is in the creation of the relatively compact algorithms of long term prediction, based on the combination of the system state variables or the laws of their application, which remain constant at the prediction interval. The suggested prediction procedure is not based on the complication of the in... View full abstract»

• ### Robot motion planning for time-varying obstacle avoidance using view-time concept

Publication Year: 1992, Page(s):366 - 370 vol.1
| | PDF (456 KB)

An approach to solving the time-varying obstacle avoidance problem is pursued. The mathematical formulation of the problem is given in robot joint space (JS). The view-time concept is introduced to deal with time-varying obstacles. The view-time is the period in which a time-varying obstacle is viewed and approximated by an equivalent stationary obstacle. The equivalent stationary obstacle is the ... View full abstract»

• ### A microprocessor-based self-adaptive trigger for thyristor converters

Publication Year: 1992, Page(s):720 - 724 vol.2
| | PDF (312 KB)

A digital trigger with lock-phase synchro power makes it possible to trace, automatically the change of a power network's frequency and to ensure symmetrical phases trigger pulses. It is used for thyristor power convertors to restrain the harmful effect of harmonics on power networks. In this paper, a scheme of implementing digital lock-phase by a microprocessor is presented: the principle of digi... View full abstract»

• ### Control of stator voltage-controlled current source induction motor drive

Publication Year: 1992, Page(s):653 - 657 vol.2
Cited by:  Papers (2)
| | PDF (248 KB)

This paper presents a comprehensive study on the stability of several control schemes for the induction motor driven by current source inverters. A stator voltage-controlled current source inverter driven system without a speed sensor is investigated in order to find appropriate control schemes, which are primarily based on a direct or, alternatively, an indirect frequency control scheme. The over... View full abstract»