50results about How to "Wide output range" patented technology

Front left and right wheel units are driven by an engine and a motor generator. Rear left and right wheel units are independently driven by in-wheel motor type motor generators. The motor generator and the motor generator are configured to have different rated outputs, respectively, and be subjected to different speed reduction ratios, respectively, between the motor generators and their respectively associated drive wheel units, and thus have characteristics, respectively, in efficiency with respect to torque and vehicular speed, that exhibit high efficiency in mutually different output ranges, respectively. When a mileage oriented mode is selected as a traveling mode, an ECU determines how a drive torque should be allocated between the motor generators, as based on the motors' required drive torque and vehicular speed and on each motor generator's characteristic in efficiency, to maximize the motor generators' total efficiency.

The invention provides a wearing multifunctional tactile electric stimulation wrist band, which comprises a wrist band body, a control device and a plurality of stimulation points, wherein the control device is arranged on the wrist band body; a control circuit is arranged in the control device; the plurality of stimulation points are arranged on the inner wall of the wrist band body and are connected with the control circuit. Compared with the prior art, the wearing multifunctional tactile electric stimulation wrist band has the following beneficial effects that multi-channel light-weight electric stimulation equipment with wide output range and high stimulation precision is used; the communication is performed through Internet devices such as low-power-consumption Bluetooth and mobile phones; different stimulation conditions are preset; constant current electric pulses are output for stimulating the skin during condition triggering; rich electric tactile experience can be obtained. The requirements for the multi-channel light-weight electric stimulation equipment which are not met in the prior art are met; the requirement of providing rich artificial tactile sensation by the intelligent wrist band is met.

A buck-boost converter includes: a converting circuit; a ripple injector; a hysteresis comparator; and a switching controller. The converting circuit is configured to generate an output voltage by adjusting an input voltage in a buck mode, a boost mode, and a buck-boost mode. The ripple injector is configured to generate a ripple based on switching signals corresponding to switching operations of the converting circuit. The hysteresis comparator outputs at least one switching control signal by comparing an output control voltage with a feedback voltage generated by adding the ripple to a divided voltage generated by performing a voltage division on the output voltage. The switching controller is configured to change a current flow path of the converting circuit based on the at least one switching control signal.

The invention relates to a CMOS-MEMS (complementary metal oxide semiconductor-micro-electromechanical system) capacitive humidity sensor which is characterized by comprising upper interdigital electrodes and lower interdigital electrodes, wherein the lower electrodes penetrate a SiO2 oxide layer and are arranged on the same surface of a silicon substrate; the upper electrodes are arranged above the lower electrodes; humidity-sensitive mediums are filled between the upper electrodes and the lower electrodes, between the interdigital parts of the upper electrodes and between the interdigital parts of the lower electrodes; aluminum strips are arranged above the upper electrodes and positioned between the interdigital parts of the upper electrodes and the lower electrodes; humidity-sensitive mediums are filled between the aluminum strips and the upper electrodes; a cavity is formed in the silicon substrate under the upper electrodes and the lower electrodes, so that the lower electrodes and the humidity-sensitive mediums between the interdigital parts of the lower electrodes are directly in contact with the air; the interdigital parts of the upper electrodes and the interdigital parts of the lower electrodes coincide in the height direction; the humidity-sensitive mediums are polyimide. The CMOS-MEMS capacitive humidity sensor is quick in response, high in sensitivity, wide in output range, high-temperature-resistant, small in humidity error and good in temperature characteristic and long stability.

A circuit comprises an inductor, a load, and a controllable switching device arranged in either a first configuration: switchable between the load being bypassed and the inductor energised, and current flowing through the load, and the inductor discharging energy into the load; or, a second configuration: switchable between current being permitted to flow through the load, inductor and controllable switching device in series, energising the inductor, and the current flowing through the load, and the inductor discharging energy into the load. The circuit further comprises control means for controlling the switching device, a load current sensing resistor connected in series with the load, and a demand signal input. Monitoring means is arranged to monitor the demand signal and the voltages across the sense resistors, and generate a monitor signal. The control means is arranged to receive the monitor signal and to switch the switching device in response the monitor signal exceeding a predetermined threshold.