Abstract: A non-transitory computer-readable medium for generating a haptic effect is provided. The computer-readable-medium has computer-executable code that causes a processor to receive a desired haptic effect waveform for the haptic effect, to receive sensor information that indicates at least one of speed, acceleration, and position of the haptic output device, and to generate a control signal for the haptic effect based on the desired haptic effect waveform and the at least one of the speed, acceleration, and position of the haptic output device, wherein the control signal causes a profile of the haptic effect to substantially match the desired haptic effect waveform, such that matching between the profile of the haptic effect and the desired haptic effect waveform is made more similar by basing the control signal on the at least one of the speed, acceleration, and position of the haptic output device.

Abstract: Systems and methods or a low profile haptic actuator are disclosed. In one embodiment, a system for a low profile haptic actuator includes: a moveable surface comprising a first coil, the moveable surface configured to move in a degree of freedom; a fixed surface beneath the moveable surface, the fixed surface comprising a second coil coupled underneath the first coil; a suspension coupled to the fixed surface and the moveable surface and configured to suspend the moveable surface; and a controller coupled to the first coil and the second coil.

Abstract: The embodiments are directed toward techniques for isolating a user input signal at a haptic output device. A signal originating from a user input element associated with the haptic output device is received. The received signal is separated into a first component including the user input signal, and a second component including a haptic feedback signal. While the first component is processed, the second component can be discarded or otherwise ignored.

Abstract: In each of the various embodiments, a haptic driver is configured to attenuate a drive signal of an actuator. In particular, the haptic drivers described herein are configured to identify the resonance frequency of the actuator and to attenuate the haptic drive signal within a range of frequencies, the range being based on the identified resonance frequency. As a result, the strength of haptic effects produced by the actuator may be more uniform along a wider frequency range.

Abstract: Systems and methods for rendering a haptic effect at a user input element associated with a haptic output device are provided. A primary range and a secondary range of positions are defined for the user input element associated with the haptic output device. In addition, a boundary range of positions is defined for the user input element associated with the haptic output device, the boundary range partially overlapping each of the primary and secondary ranges. A position of the user input element is monitored, and the haptic effect rendered in response to an entry of the user input element to positions within the boundary range.

Abstract: Systems and methods or a low profile haptic actuator are disclosed. In one embodiment, a system for a low profile haptic actuator includes: a moveable surface comprising a first coil, the moveable surface configured to move in a degree of freedom; a fixed surface beneath the moveable surface, the fixed surface comprising a second coil coupled underneath the first coil; a suspension coupled to the fixed surface and the moveable surface and configured to suspend the moveable surface; and a controller coupled to the first coil and the second coil.

Abstract: Systems and methods for monitoring insulation integrity for electrostatic friction are disclosed. One system may include a touch sensitive interface configured to detect user interaction; an electrostatic haptic output device configured to output one or more electrostatic haptic effects to the touch sensitive interface; a processor in communication with the touch sensitive interface and the electrostatic haptic output device, the processor configured to: determine an operating condition associated with the electrostatic haptic output device; determine a corrective action associated with the operating condition; and apply the corrective action.

Abstract: An interface device configured to provide an electrostatic friction (ESF) effect is disclosed. The interface device comprises a plurality of electrodes disposed at a surface of the interface device. It further comprises a signal generating circuit configured to generate a first drive signal at an output of the signal generating circuit, and comprises a plurality of frequency filter units or delay elements electrically connected to the signal generating circuit and to the plurality of electrodes. The interface device further comprises a control unit configured to use the plurality of frequency filter units or delay elements: (i) to cause only a subset of one or more electrodes of the plurality of electrodes to output one or more respective ESF effects with the first drive signal, or (ii) to cause at least two electrodes to output respective ESF effects with the first drive signal in different respective manners.

Abstract: The embodiments are directed toward techniques for isolating a user input signal at a haptic output device. A signal originating from a user input element associated with the haptic output device is received. The received signal is separated into a first component including the user input signal, and a second component including a haptic feedback signal. While the first component is processed, the second component can be discarded or otherwise ignored.

Abstract: Systems and methods for monitoring insulation integrity for electrostatic friction are disclosed. One system may include a touch sensitive interface configured to detect user interaction; an electrostatic haptic output device configured to output one or more electrostatic haptic effects to the touch sensitive interface; a processor in communication with the touch sensitive interface and the electrostatic haptic output device, the processor configured to: determine an operating condition associated with the electrostatic haptic output device; determine a corrective action associated with the operating condition; and apply the corrective action.

Abstract: The present disclosure relates to systems and methods for haptically-enhanced smart home architectures. For example, one disclosed method includes determining a building component condition of a building component; determining an interaction with a control device in the building, the control device associated with the component of the building and comprising a haptic output device; determining a haptic effect based on the building component condition; and transmitting a signal to the haptic output device to cause the haptic output device to output the haptic effect.

Abstract: An interface device configured to provide an electrostatic friction (ESF) effect is disclosed. The interface device comprises a plurality of electrodes disposed at a surface of the interface device. It further comprises a signal generating circuit configured to generate a first drive signal at an output of the signal generating circuit, and comprises a plurality of frequency filter units or delay elements electrically connected to the signal generating circuit and to the plurality of electrodes. The interface device further comprises a control unit configured to use the plurality of frequency filter units or delay elements: (i) to cause only a subset of one or more electrodes of the plurality of electrodes to output one or more respective ESF effects with the first drive signal, or (ii) to cause at least two electrodes to output respective ESF effects with the first drive signal in different respective manners.

Abstract: A non-transitory computer-readable medium for generating a haptic effect is provided. The computer-readable-medium has computer-executable code that causes a processor to receive a desired haptic effect waveform for the haptic effect, to receive sensor information that indicates at least one of speed, acceleration, and position of the haptic output device, and to generate a control signal for the haptic effect based on the desired haptic effect waveform and the at least one of the speed, acceleration, and position of the haptic output device, wherein the control signal causes a profile of the haptic effect to substantially match the desired haptic effect waveform, such that matching between the profile of the haptic effect and the desired haptic effect waveform is made more similar by basing the control signal on the at least one of the speed, acceleration, and position of the haptic output device.

Abstract: An actuator evaluation system evaluates one or more characteristics of an actuator usable as a haptic output device. The system can detect an optimal braking frequency of a drive signal that enables the actuator to provide a desired haptic effect in response thereto. The system sequentially applies a plurality of drive signals having different frequencies to the actuator and analyzes acceleration of the actuator to determine a drive signal that results in the desired braking performance.

Abstract: Systems and methods or a low profile haptic actuator are disclosed. In one embodiment, a system for a low profile haptic actuator includes: a moveable surface comprising a first coil, the moveable surface configured to move in a degree of freedom; a fixed surface beneath the moveable surface, the fixed surface comprising a second coil coupled underneath the first coil; a suspension coupled to the fixed surface and the moveable surface and configured to suspend the moveable surface; and a controller coupled to the first coil and the second coil.

Abstract: Systems and methods for controlling a haptic output device include a processor, a haptic peripheral including a haptic output device, and a sensor coupled to the haptic output device. The haptic output device is configured to receive a control signal from the processor and output a haptic effect having a profile to the haptic peripheral in response to the control signal from the processor. The sensor is configured to sense a current operational status of the haptic output device. The processor is configured to generate the control signal for the haptic output device depending on a plurality of inputs including a desired haptic effect waveform and a signal received from the sensor. The inputs may also include at least one parameter of the haptic output device. As such, the control signal causes the profile of the haptic effect to substantially match the desired haptic effect waveform.

Abstract: Systems and methods for monitoring insulation integrity for electrostatic friction are disclosed. One system may include a touch sensitive interface configured to detect user interaction; an electrostatic haptic output device configured to output one or more electrostatic haptic effects to the touch sensitive interface; a processor in communication with the touch sensitive interface and the electrostatic haptic output device, the processor configured to: determine an operating condition associated with the electrostatic haptic output device; determine a corrective action associated with the operating condition; and apply the corrective action.

Abstract: In each of the various embodiments, a haptic driver is configured to attenuate a drive signal of an actuator. In particular, the haptic drivers described herein are configured to identify the resonance frequency of the actuator and to attenuate the haptic drive signal within a range of frequencies, the range being based on the identified resonance frequency. As a result, the strength of haptic effects produced by the actuator may be more uniform along a wider frequency range.

Abstract: The embodiments are directed toward techniques for isolating a user input signal at a haptic output device. A signal originating from a user input element associated with the haptic output device is received. The received signal is separated into a first component including the user input signal, and a second component including a haptic feedback signal. While the first component is processed, the second component can be discarded or otherwise ignored.

Abstract: Systems and methods for rendering a haptic effect at a user input element associated with a haptic output device are provided. A primary range and a secondary range of positions are defined for the user input element associated with the haptic output device. In addition, a boundary range of positions is defined for the user input element associated with the haptic output device, the boundary range partially overlapping each of the primary and secondary ranges. A position of the user input element is monitored, and the haptic effect rendered in response to an entry of the user input element to positions within the boundary range.