A flexible transparent electrode is prepared by thermal pressing of a metal-grid into plastic substrate. The electro-mechanical reliability the MGETEs confirmed electrical performance organic solar cells on MGETEs.

Abstract This paper presents the development and control methodology of a military rescue robot for casualty extraction task. The new (HURCULES) equipped with electric actuators task on battle field is introduced. In this paper, mechanical designs HURCULES are described in detail. One noticeable features design to use worm gear joint maintain safety even power‐off reduce energy through selected operating mode. Moreover, unlike upper body conventional humanoid robot, chest plate installed...

Most scanning LiDAR sensors generate a sequence of point clouds in real-time. While conventional 3D object detectors use set unordered points acquired over fixed time interval, recent studies have revealed that substantial performance improvement can be achieved by exploiting the spatio-temporal context present sets. In this paper, we propose novel detection architecture, which encode cloud sequences multiple successive scans. The encoding process is performed on two different scales. We...

Silver grid printed on ITO film through EHD jet printing as a transparent conducting electrode improves electrochromic performances of soft ECDs.

LiDAR sensors are widely used for 3D object detection in various mobile robotics applications. continuously generate point cloud data real-time. Conventional detectors detect objects using a set of points acquired over fixed duration. However, recent studies have shown that the performance can be further enhanced by utilizing spatio-temporal information obtained from sequences. In this paper, we propose new detector, named D-Align, which effectively produce strong bird's-eye-view (BEV)...

This study demonstrates a novel approach to creating thin-film electronic device that offers selective or complete disposability only in on-demand conditions while maintaining stable operation reliability during everyday use. The involves transient paper substrate, combined with phase change encapsulation and highly bendable planarization materials, achieved through simple solution process. substrate used this smooth surface morphology enables the creation of multilayers for devices. It also...

This paper proposes practical hardware design strategies and control methods for a rescue robot to save patients in disastrous environments. None of the existing humanoid robots have not shown capability efficiently execute tasks transferring human safe place highly unstructured world. To resolve this problem new form powerful dual arm mechanism hybrid tracked-legged mobile platform is developed motion synthesized with dynamics based optimization modified hierarchical scheme. These policies...

Abstract Direct-printed quantum dot (QD) patterns utilizing inkjet method are a next-generation alternative to achieve high-resolution light-emitting diodes (QLED). However, research on pixel is still limited due issues such as thickness uniformity. In this study, we explored the feasibility of direct printing QLEDs attain pixel-patterned displays. Here, successfully fabricated arrays green QLED devices with resolution 200 pixels per inch, employing precise 1 pL fine printer nozzle and...

We present rigid/soft/rigid (RSR) type cover window for the foldable display. investigated synthesis of flexible nanosol through sol‐gel reaction and fabricated RSR sample with a home‐made slot die coater. Furthermore, coating thickness uniformity, surface hardness, folding reliability were explored.

In this paper, a nonlinear position control controller based on singular perturbation theory is proposed. Since the dynamics of PMSM involves slow and fast models, can be applied. Applied conditions stability proofs are studied. The proposed design procedure simplified robust to variations in inductance. High-bandwidth effort for current tracking not required, but velocity measurements necessary method. simulation results validate performance

This paper presents a sliding mode based model predictive controller for permanent magnet synchronous motor(PMSM). The proposed consists of controller(MPC) outer velocity control loop and controller(SMC) inner current loop. SMC is to track the desired currents in finite time. MPC developed obtain optimal input minimized cost function with constraint conditions. closed-loop stability proven by Lyapunov theorem. Finally, simulation results are attached validate performance controller.

A rotating ball display was tested with a thin monolayer sheet. An oil cavity formed in the shape of spheroid elastomer The rotation bichromal investigated from point time one color to other color. Bichromal balls were under friction during rotation. caused an abnormal change time. sheet compared that microcup display. explained difference variation between and

There are various algorithms evaluating a threshold for image segmentation. Among them, Otsu's algorithm sets based on the histogram. It finds between-class variance all over gray levels and then largest one as optimal threshold, so we can see that requires lot of computation. In this paper, improved amount computational needs by using estimated rather than computing candidates. The proposed is compared with original in computation accuracy. confirm about 29 times faster conventional method...

This paper introduces an experimental rescue robot, HUBO T-100 for a development of Korean robot with large load carrying capacity and presents its optimal motion control methods. The mission the is to move lift patients or soldiers impaired mobility assistance in battlefields, hospitals, hazardous disastrous environments. Another includes dispose transfer dangerous object explosive ordnance. In order execute these kind missions, coordinated whole body motions need be synthesized. We are...

In this paper we propose nonlinear H <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> control for position tracking of permanent magnet stepper motors. The based on linear parameter-varying (LPV) synthesis motors (PMSM) is formulated to improve transient response in the and reduce energy consumption. proposed method consists a new torque modulation with commutation scheme LPV gain scheduling current controller. problem PMSMs reformulated...

In this paper, we present a robust nonlinear controller based on singular perturbation theory with conditional reset integrator for position tracking of permanent magnet stepper motors (PMSMs) using feedback. To reduce both the overshoot and steady-state error in tracking, is proposed. The proposed guarantees that origin globally asymptotically stable. Furthermore, against input noises, load torque, parameter uncertainties. By passive properties PMSMs, requirements velocity current...

In this paper, we propose the nonlinear control based on singular perturbation theory for position tracking and yaw regulation of Sawyer motor. The method is characterized by existence slow fast transients in system dynamics. Thus, can apply to at sawyer motor due separated dynamics into proposed so as decouple error consist auxiliary control. controller developed order guarantee desired without current feedback or estimation. Simulation results validate adequation method.

This paper introduces a rescue robot to extract casualty from hazardous environment and suggests specific whole-body behavior strategy suitable for the mission taking into account characteristics of configuration. Since has redundant degrees freedom, task-priority based CLIK as differential inverse kinematics approach is adopted real-time implementation domain utilized reflect some restrictions in terms safety stability robot. When multiple tasks with different priority are handled...

Abstract This letter presents a low‐power single‐slope analog‐to‐digital converter (ADC) for column‐parallel architectures. A simple and effective design technique is proposed to solve the input‐dependent power consumption problem of conventional ADCs. decision‐feedback loop implemented in second stage comparator. Based on negative‐feedback path, which activated after signal decision comparator, dynamic current path amplifier disabled. Furthermore, an additional save ADC by optimizing offset...