• Proceedings of the KIEE Conference
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• 2005.05a
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• pp.137-140
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• 2005

The electronic dispenser is composed of electronic part and mechanical part. Electronic part is consisted of input keypad, micro-controller, display module, and pump module. In this paper we designed micro-controller for electronic part. The micro-controller controls display module and pump module. The display module is composed by LCD device, and the pump module is composed by motor device. The micro-controller for an electronic dispenser is designed by VHDL. We used WX12864APl for the LCD device and SPS20 for the stepping motor. Also, the micro-controller is designed by Altera Quartus tool and verified with Agent 2000 Design-kit using APEX20K Device. In this paper, we present possibility to adopt of biotechnology field through designing of one-chip controller for an electronic dispenser.

• Journal of the Korea Society of Computer and Information
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• v.8 no.3
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• pp.163-169
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• 2003

This study was carried out develope a motor power change speed device of motor by used micro- controller. This system was producted a auto-change speed device which switching frequency was 1,000MHz by used a auto- controller. It had a continuous output current such as 5A, 11A, 25A, 35A, 50A. It used a variable voltage from 9V to 18V(Maximum). We designed hardware of and software of micro-controller, we are made up of a auto cut-off function by 3.7V for detected power-loss prevention.

• 제어로봇시스템학회:학술대회논문집
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• 2002.10a
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• pp.36.4-36
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• 2002

$\textbullet$ A FPGA-based One-chip position controller with the PCI interface was developed. $\textbullet$ The peripherals of the existent controller can be implemented in one FPGA device. $\textbullet$ For this purpose, the high capacity FPGA device was used. $\textbullet$ PCI controller was merged into the position controller by using the PCI controller of core form. $\textbullet$ The developed position controller used only one FPGA device to achieve the required function. $\textbullet$ By doing this, the overall system can be simplified. $\textbullet$ The noise and power dissipation problems can be minimized and it has the advantage in the price.

• Proceedings of the KIPE Conference
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• 2000.07a
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• pp.61-65
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• 2000

In this paper We have developed the high-speed controller for haptic control. The proposed controller is based on the PCI/FPGA technology which can calculate the real position and transmit the force data to device rapidly. The haptic system is composed of 6DOF force display device high-speed controller. The developed system will be used on constructing the dynamical virtual environment. To show the efficiency of our system we designed simulation program of force-reflecting. As the result of the experiment we found that the controller has much higher resolution than some other controller It is so efficient in a 1 PC-based system with 1[kHz] haptic interrupt cycle.

• 제어로봇시스템학회:학술대회논문집
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• 2005.06a
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• pp.2397-2401
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• 2005

It is well understood that force reflecting coupled with visual display can be an important two-way communication channel in human-computer interaction. In this work, important components for a high-fidelity system bandwidth are force reflecting device and that all the computations including contact determination and response computation have to be performed in less than a millisecond. This paper describes a force-reflecting device and an embedded controller. The realized force-reflecting device is based on a novel serial type mechanical structure, and features compactness, high sustained output force capability, low friction, zero backlash, and enough workspace. The embedded controller reduces software computational load via main processor and simplifies hardware strictures by the time-division control. The device is integrated with existing dynamic simulation algorithms running separate workstation, so that objects can be manipulated in real time and the corresponding forces felt back by the operator.

• Journal of IKEEE
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• v.9 no.2 s.17
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• pp.101-107
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• 2005

This paper presents an one-chip controller for an electronic dispenser. The electronic dispenser is composed of electronic part and mechanical part. The electronic part is consisted of input keypad, micro-controller, display module, and pump module. In this paper we designed micro-controller for the electronic part. The micro-controller controls display module and pump module. The display module is composed by LCD device, and the pump module is composed by motor device . The micro-controller for an electronic dispenser is designed by VHDL. We used WX12864AP1 for the LCD device and SPS20 for the stepping motor. Also, the micro-controller is designed by Altera Quartus tool and verified with Agent 2000 Design-kit using APEX20K Device. In this paper, we present possibility to adopt of the biomedical device through the one-chip controller for the electronic dispenser.

• Proceedings of the KIEE Conference
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• 2000.11a
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• pp.33-35
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• 2000

We propose a intelligent controller for FACTS(Flexible AC Transmission System) device to stabilize a power system. In order to identify the nonlinear characteristics of the power system and to estimate a control signal, an artificial neural network is utilized. The control signal which is provided for FACTS device installed in the network is produced. The proposed controller is applied to Unified Power Flow Controller(UPFC) to verified the effectiveness of the proposed control system. The results show that the proposed nonlinear FACTS controller is able to enhance the transient stability of three machine nine bus power system.

• Proceedings of the IEEK Conference
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• 1998.10a
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• pp.285-288
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• 1998

In this paper, we present mSROS(Micro-Scalable Realtime Operating System) to be applied commonly to the device controller systems in the HANbit ACE256 system. The device controller systems in HANbit ACE256 system are organized as many kinds of device controller. Applying modified PPOS(Peripheral Processor Operating System)which is an operating system for devices of the TDX-10 switching system to the firmwares for them, the inefficiency in development and maintenance exists inherently. To remove the inefficiency nd to improve the performqance of firmwares, we build a common operating system platform that including multi-tasking microkernel so that the firmwares among devices can acquire convenient development and cheap cost of maintencance. Especially, building a virtual machine as a development methodology, it is possible to remove dependency from the kernel so that any kinds of commercial real-time kernels can be used in mSROS as a basic kernel. The virtual machine in mSROS is compatible with the API of SROS(Scalable Realtime Operating System), PPOS, and CROS(Concurrent Realtime Operating System).

• Proceedings of the Korea Institute of Convergence Signal Processing
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• 2000.12a
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• pp.209-212
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• 2000

This paper describes the design and implementation of a hard- wired AGV controller using CPLD(Complex Programmable Logic Device). The proposed controller manages a guidance equipment, motor and I/O sequence controller for a self-control traveling. Compared with a conventional $\mu$-processor, the CPLD controller using a hard-wired control method can reduce a difficult programming process. Also, the total costs of production are reduced, such as development time, product's size and difficulty because memory, combinational logic and sequential logics are implemented by CPLD. The Controller designed using behavioral description method with VHDL and was synthesized by MAX＋Plus II of the ALTERA co. We implemented controller using EPF10K10LC84-4 device.

• Journal of the Korean Society for Precision Engineering
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• v.25 no.7
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• pp.95-102
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• 2008

Since the processes of dismantling are very dangerous, there have been many studies to develop remote operating devices using joystick. In this paper, in order to improve the operability of the dismantling equipment that is usually an excavator, a novel concept of tole-operated device is proposed. Operators who use this device with additional environmental sensing devices can work safely away from the dangerous sites. First, based on the concept design of the remote controller, its workspace is analyzed and the workspace mapping from the device to the excavator is explored. Second, after 7 steps of the excavating processes are defined, the kinematics which deals with the conversion from the 3 dimensional position information of the device to the joint variable information of the backhoe is included in this paper. Lastly, 3D graphical simulation of both remote controller and the backhoe will be shown. This new design of the remote control device tan be easily manufactured and gives the workers very convenient and transparent remote control capability.