Lianhong Art Co., Ltd.

Delta Electronics, Inc.

Chia-Hui Chen

Tzu-Yu Lin

Yen-Ting Chen

Kuan-Lung Wu

Yen-Wen Huang

Chia-Ming Chang

Ching-Hsiung Tsai

Jih-Nan Tai

Tien-Yueh Hsu

Chiao-Fang Chang

Chia-Yen Lee

Yen-Ming Lu

Chung-Chan Hsu

Hao-Lun Huang

Ming-Yang Cheng

Ping-Chun Tsai

Kuan-Shun Chao

Min-Hsiang Kao

Hsiang-Ho Lo

Yu-Hsiang Cheng

A mechanical arm system includes at least two links, at least two control devices and at least two motor devices. Each of the control devices includes a first control unit, a mechanical arm control unit and a driving unit. The first control unit receives an end-position command to output a first torque signal. The mechanical arm control unit includes a rigid mechanical unit and a mechanical model unit. The rigid mechanical unit receives the first torque signal to obtain a rigid mechanical torque, and the mechanical model unit receives the rigid mechanical torque and operates the flexible mechanical model to establish the mechanical arm model for obtaining the target torque, and the target position signal is output according to the target torque. The driving unit generates a driving signal according to the target position signal to adjust a rotation angle of the corresponding motor device.

Mechanical arm system and mechanical arm control method

A method for predicting and compensating frictions of a feed system includes following steps: constantly obtaining current signals and angle-position signals of a motor by a motor driver of a feed system after being activated; calculating frictions of the motor upon each rotating position according to the obtained current signals and angle-position signals and generating multiple records of friction data; creating a friction model according to the multiple records of friction data and the angle-position signals each respectively corresponding to each record of friction data with respect to each rotating position; importing current angle-position signal of the motor to the friction model for predicting a predicted friction; calculating a compensation current based on the predicted friction; and, controlling the motor driver to additionally provide the compensation current to the motor for conquering an upcoming friction of the feed system approximate to the predicted friction.

Method for predicting and compensating frictions of feed system, and computer readable storage

A rebounding pivot module includes a mounting shaft, and a bouncing device set including a barrel having one end tooth shaped, a connecting tube mounted in the other end of the barrel, a connection rod connected to the connecting tube, a socket and a first guide block mounted onto the connection rod, the first guide block having one end beveled, a bouncing barrel mounted around the connecting rod, a second guide block supported on an elastic member in the bouncing barrel and defining therein a guide hole and having one end tooth shaped and abutted at the beveled edge of the first guide block, and a lock device fastened to connection rod that is inserted through the second guide block, the elastic member and the through hole of the bouncing barrel to lock the bouncing barrel to the connection rod.

Rebounding pivot module

An electronic device includes a motor, a sensing device and a controller. The motor provides a motive power to the load. The sensing device measures a plurality of motion parameters of the motor. The controller calculates a real system parameter between the motor and the load according to the motion command and the plurality of motion parameters. According to the motion command and the plurality of motion parameters, the controller acquires a real value of a rotation speed of the motor. Moreover, controller establishes a system model according to the motion command and the real system parameter so as to acquire an estimated value of the rotation speed of the motor. If the first mean square error is not smaller than the first target value, the controller performs a particle swarm optimization algorithm to change the estimated value of the rotation speed of the motor.

Electronic device and control method thereof

A pivoting device having helical gear includes a first shaft and a second shaft, wherein the first shaft has a first rod, the first rod has a first axial gear, and the second shaft has a second rod, the second rod has a second axial gear. A first connecting plate is connected between the first shaft and the second shaft, and a connecting gear set is arranged between the first shaft and the second shaft, the connecting gear set meshes with the first axial gear and the second axial gear. One end of the connecting gear set is connected to the first connecting plate, and the other end of the connecting gear set is connected a second connecting plate. The first torque set is connected between the first shaft and the second shaft. A third connecting plate is connected between the first shaft and the second shaft.

Hinge device with helical gear

A dual-shaft hinge device including a base and two rotatable plates connected to two lateral sides of the base. Each of the first rotatable plate and the second rotatable plate have a semicircular portion on which a plurality of teeth are disposed. A first rotatable rod and a second rotatable rod are disposed in the base. First gear teeth are disposed at one end of the first rotatable rod and mesh with the teeth of the first rotatable plate, and second gear teeth are disposed at one end of the second rotatable rod and mesh with the teeth of the second rotatable plate. An even number of gear rods are disposed in the base and mutually meshed with each other. Two lateral plates are connected to the base to position the aforementioned elements to the base.

Hinge device with dual shaft

A hidden-lock door panel for use in a container includes a door panel body, a covering lid, a first lock, and a second lock. The door panel body includes a hidden space. The covering lid is disposed corresponding to the hidden space and slidably connected to the door panel body. The first lock and the second lock are both disposed in the hidden space. The first lock is an electronic lock and is used to control whether the covering lid can be released to slide. The second lock is used to control the door panel body to be unlocked or locked with respect to the container. Accordingly, unknowing persons are prevented from opening or breaking the door lock.

Hidden-lock door panel and containing device having the same

A synchronous hinge device includes a first base having a first connecting portion and a first assembling portion. The first connecting portion has a first central groove, a first outer groove, a first through hole and a second through hole. A second base has a second connecting portion and a second assembling portion. The second connecting portion has a second central groove, a second outer groove, a third through hole and a fourth through hole. First, second, third, and forth shafts extending through the first, the second, the third, and the fourth through holes, respectively. A first torque element disposed between the first shaft and the third shaft; and a second torque element disposed between second shaft and the fourth shaft, wherein the first torque element has axle sleeves limiting the first distance, and the second torque element has axle sleeves limiting the second distance.

Synchronous hinge device

An equipment cabinet and a slidable-and-rotatable rack assembly are provided. The equipment cabinet includes a housing and a rack assembly. The rack assembly is disposed in the receiving space of the housing. The rack assembly comprises a first slidable tray, at least two first rail assemblies, a frame, and a first rotation shaft assembly. The first rail assemblies are connected with the first slidable tray and the housing respectively and configured for allowing the first slidable tray to be moved relative to the housing. The frame is carried by the first slidable tray and has a base plate. The first rotation shaft assembly is coupled with the base plate of the frame and the first slidable tray and configured for allowing the frame to be rotated relative to the first slidable tray after the frame carried by the first slidable tray is drawn out.

Equipment cabinet and slidable-and-rotatable rack assembly thereof

A hinge includes at least one shaft set including a first shaft and a second shaft. The first shaft and the second shaft extend through a first guiding member and a second guiding member. A guiding base is disposed between the first shaft and the second shaft. The first shaft and the second shaft connect to an upper plate and a lower plate. The upper plate and the lower plate are connected to two rotatable parts of an electronic device. The first shaft and the second shaft moves relatively along with the rotation of the two rotatable parts of the electronic device.

Hinge having movable shaft

A hinge device includes a housing comprising two half-housings, a first extending module comprising two half-members disposed in the housing, a second extending module comprising two half sliding members and disposed on an outer side of the first extending module, a sliding device disposed between the first extending module and the second extending module, an elastic member disposed between the two half housings, and a stop sheet disposed between the half-housings and having one end facing a bottom of the second extending module.

Hinge device capable of extending rotational angle

A dual shaft hinge device includes a first shaft including a first expansion portion; a second shaft including a second expansion portion; a pair of securing plates joined to the first shaft and the second shaft respectively and connected to a display device and a main body of an electronic device respectively; torque elements connected to the first shaft and the second shaft; a limiting mechanism connected to the first shaft and the second shaft; a first helical gear formed on the first expansion portion; a second helical gear formed on the second expansion portion; a base including two through holes for the first shaft and the second shaft extending therethrough, two extending plates separated by a distance, two transverse through holes formed on the extending plates and two depressed portions formed on a back side of the base; and a middle gear rotatably disposed between the extending plates and engaging the first helical gear and the second helical gear.

Dual shaft hinge device

A hinge structure includes a housing comprising two half-housings disposed opposite, an opening formed on a top thereof, an inner space formed by the half-housings, a cover plate configured to cover a portion of the top and a lifting member disposed in an electronic device to cover the other portion of the top, wherein a gap is formed between the cover plate and the lifting member, each of the half housing comprises a depression and a guiding groove formed in front of the depression, and the two depressions form the inner space; two half-driving members opposite disposed, mounted in the inner space and connected to the lifting member so that the half-driving members are assembled to each other and actuate in the inner space; and a sandwiched torque member disposed between the half-driving members and comprising a guiding rod having two ends movably inserted into the half-driving members and an axial torque tube having a preset notch, wherein the axial torque tube is tightly fitted to a shaft connected to the half-driving members.

Hinge structure

A hinge structure for connecting an electronic device and a stand includes a housing mounted to the housing, a cover covering the housing and a lifting member mounted to the stand, wherein a gap is formed between the lifting member and the cover, the lifting member includes an eccentric block movably disposed in the housing, a guiding member is disposed on one end of the eccentric block and includes a arced groove through which a pin movably extending, a positioning pin is positioned in a limiting groove; in another embodiment, the lifting member includes an eccentric block having a arced plate movably disposed in a rear groove and a lateral groove of the housing, whereby the hinge structure is smoothly operated in a small gap.

Growing community of inventors

Taoyuan, Taiwan

Chia-Hui Chen