Front end accessory drive with multiple speed ratios

A vehicle comprising:

• an engine including a crankshaft;
• an electric machine including a shaft;
• a front end accessory drive (FEAD) including a tension member operably connecting the crankshaft and the shaft and a gearing arrangement configured to establish a first speed ratio between the crankshaft and the shaft when in a first condition and a second speed ratio between the crankshaft and the shaft when in a second condition, wherein the second speed ratio is higher than the first speed ratio, wherein the gearing arrangement includes:
• an electrically controllable clutch,
• a pulley engageable with the tension member,
• a planetary gearset having a sun gear fixed to the clutch, a ring gear fixed to the pulley, and a planet carrier fixed to the crankshaft or the shaft of the electric machine, wherein the gearing arrangement is in the first condition when the clutch is disengaged and is in the second condition when the clutch is engaged, and
• a one-way clutch connected between the ring gear and the sun gear;
• and
• a controller programmed to, in response to a request to start the engine with the electric machine, (i) command the gearing arrangement to the second condition and (ii) command the electric machine to start the engine.

A vehicle comprising:

• an engine including a crankshaft;
• an electric machine including a shaft;
• a front end accessory drive (FEAD) including a multi-speed pulley assembly mounted to one of the crankshaft and the shaft, a pulley mounted to the other of the crankshaft and the shaft, and a tension member trained around the multi-speed pulley assembly and the pulley, wherein the multi-speed pulley assembly is configured to establish a low speed ratio between the shaft and the crankshaft and a high speed ratio between the shaft and the crankshaft;
• and
• a controller programmed to:
• in response to a request for regenerative braking with the electric machine, command the multi-speed pulley assembly to establish the high speed ratio, and
• in response to (i) the engine being OFF, (ii) a speed of the vehicle being greater than zero and less than two miles per hour, and (iii) the driver depressing an accelerator pedal, command the multi-speed pulley assembly to establish the high speed ratio.