http://hdl.handle.net/10397/1341 Search the Channel search http://repository.lib.polyu.edu.hk/jspui/simple-search http://hdl.handle.net/10397/5040 Title: Polymer microvalve with actuators and devices<br/><br/>Authors: Cheng, Ching-Hsiang; Chao, Chen; Cheung, Yin-nee<br/><br/>Abstract: The present invention relates to a microvalve having a valve plug, connecting legs, anchors and actuators, allowing the valve plug to move vertically to open or close the valve. The valve plug can contain magnetic materials, and be operated by an actuator. http://hdl.handle.net/10397/5036 Title: Method and apparatus for ultrasound imaging and elasticity measurement<br/><br/>Authors: Zheng, Yong-Ping<br/><br/>Abstract: A method for performing ultrasound imaging and elasticity measurement, the method includes scanning an object to obtain a B-mode ultrasound image, selecting an A-mode signal from the B-mode ultrasound image, transmitting a high frame rate ultrasound signal, by a selected group of ultrasound transducers, at the selected A-mode signal location, forming a transient M-mode image based on the high frame rate ultrasound signal, enhancing propagation trace of shear wave based on the transient M-mode image, calculating elasticity of the object based on the propagation trace and displaying result, and displaying, simultaneously, the B-mode ultrasound image and the transient M-mode measurement result. http://hdl.handle.net/10397/5035 Title: Robotic training system with multi-orientation module = 带多方向模块的机器人训练系统<br/><br/>Authors: Tong, Kai-yu Raymond (湯啟宇); Song, Rong (宋嶸); Lam, Chiu Hoi Ivan (林昭凱); Tam, Wai-man Robert (谭惠民); Ng, Shu To (吳樹滔); Lee, Tak-chi (李德志); Pang, Man Kit Peter (彭民傑); Kwok, King Lun (郭景麟); Tsui, Yin Bonn Philip (崔彦邦); Leung, Woon-fong Wallace (梁煥方)<br/><br/>Abstract: A robotic system (100) for multiple joint training includes a control tower (101) having at least one locking mechanism (509,609), a rotational motor tower (103) possessing a motor, a multi-orientational module (111) being positioned on said rotational motor tower so as to contact a user's limb, and a controller (717). Wherein said locking mechanism is positioned on a handle for locking. Said rotational motor tower is positioned between a total horizontal position and a total vertical position. Said multi-orientational module is selected from he group consisting of a lower extremity module (600) and an upper extremity module (500). A method of training multiple joints in a limb using the robotic system above-mentioned is also disclosed. By the present invention, the user can use the device to switch training between the vertical and horizontal planes, without changing the device and any module. The system is also adjustable to meet different users' body sizes.; 一种用于进行多个关节训练的机器人系统(100)，包括：具有至少一个锁紧机构(509、609)的控制塔(101)、具有马达的旋转马达塔(103)、位于所述旋转马达塔上以与使用者的肢体接触的多方向模块(111)、以及控制器(717)。其中所述锁紧机构位于锁紧用的手柄上。所述旋转马达塔位于完全水平位置与完全垂直位置之间的位置。所述多方向模块选自包括下肢模块(600)和上肢模块(500)的组件。还公开了一种使用上述机器人系统训练肢体的多个关节的方法，通过本发明，使用者可以使用该设备在垂直和水平平面之间切换训练，而不改变设备和任何模块。所述系统也可调节以满足不同使用者的身体尺寸。 http://hdl.handle.net/10397/4899 Title: Wearable device to assist with the movement of limbs = 用于辅助附肢运动的佩戴装置<br/><br/>Authors: Cheng, Ching-Hsiang (鄭慶祥); Chong, Po Fat (莊寳發); Wong, King Sau (黃敬修)<br/><br/>Abstract: The invention relates to a wearable device, system and method to assist with the movement of limbs connected at a joint. The wearable device comprises: a linear motion generating unit to generate linear motion, the unit having distal end portions operatively connected to the limbs, whereby the linear motion generated by the unit causes the limbs to move and pivot about the joint; a force measuringunit to measure a change of force applied to the limbs or linear motion generating unit; and a displacement measuring unit to measure the displacement of the linear motion generating unit when linearmotion is generated; wherein a predetermined distance of linear motion having a predetermined velocity is generated by the linear motion generating unit to assist with the movement of the limbs basedon the change of force measured by the force measuring unit or the displacement measured by the displacement measuring unit. The wearable device has features of simple structure, easy manufacture andvery safety.; 本发明涉及一种用于辅助与关节相连的附肢的动作的佩戴装置、系统以及方法。所述佩戴装置包括：用于产生直线运动的直线运动产生单元，所述直线运动产生单元具有与附肢可操作连接的远端部，在此所述直线运动产生单元产 生的直线运动使得附肢移动并围绕关节旋转；力测量单元，用于测量施加到附肢或直线运动产生单元上的力的变化；以及位移测量单元，用于测量当产生直线运动时所述直线运动产生单元的位移；其中，直线运动产生单元基于力测量单元测得的力的变化或位移测量单元测得的位移来生成具有预定速度的直线 运动的预定距离以辅助附肢的动作。本发明的佩戴装置，结构简单，易于制造且非常安全。